© EUROASIAN ENTOMOLOGICALJOURNAL, 2021Евразиатский энтомол. журнал 20(4): 183–195
doi: 10.15298/euroasentj.20.4.04

Two new species of the genus Geranomyia Haliday, 1833 (Diptera:
Limoniidae) from Japan, with notes on the Japanese speciesÄâà íîâûõ âèäà ðîäà Geranomyia Haliday, 1833 èç ßïîíèè ñçàìå÷àíèÿìè ïî ðàñïðîñòðàíåíèþ è òàêñîíîìèè ÿïîíñêèõ
êîìàðîâ áîëîòíèö (Diptera: Limoniidae)
D. KatoÄ. Êàòî
Echigo-Matsunoyama Museum of Natural Sicences, «Kyororo», 1712-2 Matsunoyama, Tôkamachi 942-1411 Japan. E-mail:hehemanpuldoa.d4@gmail.com.
Музей Естественных наук Ичиго-Мацунояма, «Кьороро», 1712-2 Мацунояма, Токамати 942-1411 Япония.

Key words: Geranomyia, Japan, Limoniidae, new species, synonym, taxonomy.
Ключевые слова: Geranomyia, Япония, Limoniidae, новый вид, синоним, таксономия.
Abstract. The Japanese species of Geranomyia are revised. Two new species, Geranomyia iriomotensis Kato,
sp.n. and G. paucipuncta Kato, sp.n., are described, andG. snyderi chichiensis Alexander, 1972 is synonymized with
G. snyderi snyderi Alexander, 1972. Images of the external
appearance, wings, and male terminalia, and distributions of
the Japanese species are shown. A key to the Japanese
species is provided.
Резюме. В работе ревизованы виды рода GeranomyiaЯпонии. Описаны два новых для науки вида: G. iriomotensis
Kato, sp.n. и G. paucipuncta Kato, sp.n., Geranomyia snyderichichiensis Alexander, 1972 синонимизорован с номинативным подвидом G. snyderi snyderi Alexander, 1972. Приведены изображения внешнего вида, крыльев, гениталий самцов и даны карта распространения и определительная
таблица видов, обитающих в Японии.

Introduction
Geranomyia Haliday, 1833 is a genus of the subfamily Limoniinae and is easily distinguished from the other genera of the subfamily by the considerably elongate
labellum. The genus includes 342 species (30 species in
the Palaearctic, 16 species in the Nearctic, 160 species
in the Neotropical, 32 species in the Afrotropical, 75
species in the Oriental, and 39 species in the Australasian / Oceanian Regions) [Oosterbroek, 2020]. In thepast several years, new species of the genus have been
described from Korea and Kunashir [Podenas, 2016],
China [Zhang et al., 2016; Qian, Zhang, 2020], and theDominican Republic [Gavryushin, 2018].
In Japan, 13 species including two subspecies havebeen recorded: G. argentifera de Meijere, 1911; G. avocetta Alexander, 1913; G. feuerborni (Alexander, 1931); G.
gifuensis Alexander, 1921; G. gravelyana (Alexander,1942); G. hakoneana (Alexander, 1955); G. multipuncta
Alexander, 1922; G. pictorum (Alexander, 1929); G. radialis (Alexander, 1930a); G. sakaguchii Alexander, 1924;

G. semjina Podenas, 2016; G. snyderi snyderi (Alexander, 1972); G. snyderi chichiensis (Alexander, 1972);
G. sparsiguttata (Alexander, 1937) [Nakamura, 2014; Kato,
2020]. In this study, Japanese species of the genus arerevised, including two new species and a synonym ofsubspecies. A key to the Japanese species, images of thehabitus and wings, drawings of the male terminalia, anddistributions of the species are provided.

Materials and methods
Samples were mainly collected by insect nets andlight traps (LT), and preserved in the BiosystematicLaboratory, Kyushu University, Japan (BLKU). Specimens including types in the collection of the National
Museum of Natural History, Smithsonian Institution,
Washington D.C., USA (USNM) were examined. Information of collector and depository of specimens in‘Material’ is omitted in case it is by the author andpreserved in BLKU. General descriptions were basedon examining dried specimens. For drawings and descriptions of male terminalia, they were heated in asolution of 10 % KOH for several minutes and thenrinsed in 70 % ethanol with 3% acetic acid for neutralization, and observed in pure glycerin. The treated terminalia were preserved in genitalia tubes filled withglycerin and the tubes were pinned below the bodyremains. Terminology mainly follows Cumming andWood [2017] for general description and Ribeiro [2006]
for gonostyli of male terminalia.

Taxonomy
Geranomyia iriomotensis Kato, sp.n.
Figs 1–7, 68.

Diagnosis. Brownish species with sparsely patterned
wing markings (Fig. 1). Head grayish. Prescutum with five
weakly dark stripes. Wing with six dark costal spots (Fig. 2).

184

D. KatoFigs 1–7. Geranomyia iriomotensis sp.n.: 1 — habitus in lateral view; 2 — wing; 3 — male terminalia in dorsal view; 4 —gonocoxite in lateroventral view; 5 — rostral lobe of gonostylus, outer surface; 6 — aedeagal complex in dorsal view; 7 — paramere,outer surface. Abbreviations: ad — aedeagus; cg — clasper of gonostylus; gc — gonocoxite; lg — lobe of gonostylus; ml — mesalapical lobe; pm — paramere; rs — rostral spine; snc — supernumerary crossvein; t9 — tergite 9; vl — ventromesal lobe. Scalebars: 1 — 3 mm; 2 — 1 mm; 3–7 — 0.1 mm.
Ðèñ. 1–7. Geranomyia iriomotensis sp.n.: 1 — âíåøíèé âèä ñáîêó; 2 — êðûëî; 3 — ãåíèòàëèè ñàìöà äîðñàëüíî; 4 —ãîíîêîêñèò ëàòåðîâåíòðàëüíî; 5 — ïåðåäíÿÿ ÷àñòü ãîíîñòèëÿ, ñíàðóæè; 6 — ÷àñòè ýäåàãóñà, äîðçàëüíî; 7 — ïàðàìåðû,ñíàðóæè. Àááðåâèàòóðû: ad — ýäåàãóñ; cg — óñèê ãîíîñòèëÿ; gc — ãîíîêîêñèò; lg — äîëÿ ãîíîñòèëÿ; ml — ñðåäíå-âåðøèííàÿ
äîëÿ; pm — ïàðàìåðû; rs — âåðøèííàÿ ñïèêóëà; snc — äîïîëíèòåëüíàÿ ïîïåðå÷íàÿ æèëêà; t9 — òåðãèò 9; vl — íèæíåñðåäèííàÿ äîëÿ. Ìàñøòàá: 1 — 3 ìì; 2 — 1 ìì; 3–7 — 0,1 ìì.

Legs mainly yellow to brown, paler on segments proximal tobase of femora. Halter dark brown, stem yellowish. Abdomen dark brown on tergites. Male terminalia with rostral lobe
bearing one curved stout spine, about as long as clasper ofgonostylus (Fig. 5).
Material. Holotype: #, Japan, Nansei Islands, Okinawa,

Iriomote Is., Taketomi-cho, Uehara, Urauchi-gawa River, Alt.
50 m, 14.III.2016. Paratypes: Japan: [Nansei Islands] IriomoteIs.: 16##, 6$$, same data as holotype. 6##, Komi, Mairagawa River, Alt. 20 m, 15.III.2016. 1#, Haeminaka, Alt. 170–
230 m, 19.V.2016. 1#, 1$, Haeminaka–Haemi, Alt. 220 m,
15.III.2016.

Description. Male. Body length excluding rostrum andlabellum: 4.6–5.2 mm. Wing length: 4.9–6.1 mm. Rostrum +labellum: 1.6–1.9 mm. Head dark gray, anterior part of vertex
lighter gray, slightly narrower than scape, posterior part ofvertex with central gray line in anterodorsal view; rostrum
and palpus dark brown; antenna about 2/3 length of rostrum,
dark brown, flagellomeres bacilliform.

Thorax with pronotum brownish gray to dark brown,caudal margin of antepronotum and lateral side of postpronotum usually whitish; prescutum ocherous to brown, yellowish or grayish on lateral side, with five weakly darker stripes
in dorsal and posterodorsal views, middle one on anteriorpart, lateral ones on posterior part, outer one shortest; scutumocherous to brown, scutal lobe with two dark stripes, anterior one oblique, posterior one longitudinally straight, these
two stripes often fused with each other, forming large darkarea on anterior 2/3, interspace between scutal lobes ocherous to grayish ocherous; scutellum yellowish ocherous tograyish ocherous, sometimes darkened at middle of base;postnotum yellowish ocherous to brown, laterotergite sometimes slightly paler; pleuron pale whitish yellow to ocherous, slightly darker on anepisternum and anepimeron. Wing
(Fig. 2) tinged with brown, bearing six dark costal spots, firstone at supernumerary crossvein in cell sc, second one atorigin of Rs, third one at crossvein sc-r, fourth one as stigma,

Two new species of the genus Geranomyia from Japan, with notes on the Japanese species
oval and largest, fifth and sixth ones at tips of R 2+3 andR4+5 respectively, sometimes indistinctly dark spot present
near MA; tip of A1 often with small dark spot; cell bm
sometimes with one to three tiny spots; cord and outer end ofcell d sometimes seamed with dark brown; crossvein r-r
slightly proximal to or at middle of R 2+3; Rs curved at base;crossvein m-cu situated less than half length of itself frominner end of cell d. Legs with coxae and trochanters pale
whitish yellow to ocherous; succeeding segments of legs
dusky yellow to brown, bases of femora narrowly yellowish.
Halter dark brown, stem yellowish entirely or basally.
Abdomen dark brown, pale whitish yellow to ocherous onsternites. Male terminalia (Figs 3–7) ocherous to brown, with
tergite 9 shallowly and weakly concaved at middle of posterior
margin; gonocoxite with ventromesal lobe about 1/3 length of
gonocoxite; clasper of gonostylus sickle-shaped, strongly
curved especially at basal 1/4; lobe of gonostylus bacilliform,
1.5–2 times as long as gonocoxite, rostral lobe with one
curved stout spine, about as long as clasper of gonostylus;
paramere with mesal-apical lobe gradually narrowed to tip,
extreme tip acute and directed dorsally; aedeagus straightrod-shaped in dorsal view, tip bilobed, narrow and bent
posteroventrally in lateral view.
Female. Body length excluding rostrum and labellum:
4.0–6.2 mm. Wing length: 4.5–5.5 mm. Rostrum + labellum:
1.5–1.9 mm. Resembling male except terminalia. Ovipositor
with tergites brown to dark brown, distal 1/4 of tergite 10
yellowish; sternite 8 pale dusky yellow, sometimes brownish; cercus and hypogynial valve amber-color, anterior cornerof hypogynial valve dark brown; cercus about as long as
tergite 10, straight and thin, obtuse at tip; hypogynial valve
about 1.5 times as long as sternite 8, tip ending at level of
middle of cercus.
Distribution. Japan (Nansei Islands) (Fig. 68).
Etymology. This species is named after the type locality,
Iriomote Island. Feminine adjective in nominative singular.
Remarks. This species is similar to G. spectata (Alexander, 1937), which was described with a single female from
China, but is differentiated from it by the following characters: prescutum ocherous to brown with five slightly darker
stripes (almost uniform plumbeous-gray with two slightly
darker stripes in G. spectata); wing (Fig. 2) usually with dark
spot near crossvein h and tip of A1 respectively (without
these spots in G. spectata); cell r2+3 without small spot justposterior to stigma (with small weak spot just posterior to
stigma in G. spectata); abdomen with tergites monocolorous(vaguely paler on caudal margins of intermediate tergites in
G. spectata). The male terminalia of this species is somewhat
similar to G. multipuncta, but the rostral spine is as about
long as the clasper of gonostylus in this species (Fig. 5) andabout twice as long as the one in G. multipuncta (Fig. 46).

Geranomyia paucipuncta Kato, sp.n.
Figs 8–15, 68.

Diagnosis. Brownish species with sparsely patterned
wing markings (Fig. 8). Head grayish. Prescutum with three
weakly dark stripes. Wing with five small dark costal spots,
sometimes indistinct except stigma (Figs. 9–10). Legs mainly
dusky yellow to brown, paler on segments proximal to basesof femora. Halter dark brown, stem yellowish. Abdomen
dark brown on tergites. Male terminalia with rostral lobe
bearing long arched spine, about 1/2 length of clasper ofgonostylus (Fig. 13).
Material. Holotype: #, Japan, Honshu, Aichi, Seto-shi,
Iwaya-chô, near Iwayadô Park, Alt. 300 m, 4.V.2016. Paratypes:

185

Japan: [Honshu] 1$, same data as holotype. 1#, same data as
holotype except 17.VII.2016. 1#, Okayama, Maniwa-shi,
Hiruzen-Kamifukuda, Nawashirodani-gawa River, Alt. 600 m,
1.V.2016. [Shikoku] 1#, Ehime, Toon-shi, Kawanouchi,
20.IV.2014. [Kyushu] 1#, Fukuoka, Hisayama-machi, Ino, Ino
Dam, Alt. 230 m, 1.V.2015. 1#, Kagoshima, Kirishima-shi,
Hayato-chô-Kareigawa, around Amori-gawa River, Alt. 50 m,
28.IV.2018. [Nansei Islands] Yakushima Is.: 2##, near
Shirataniunsui-kyô Valley, Alt. 600 m, 25.IV.2018. 1#, samedata as previous except 27.IV.2018. Amamiôshima Is.: 1#,
Setouchi-chô, Agina, east of Agina-gawa River, Alt. 300 m,
3.IV.2019. 4##, 4$$, Yamato-son, Yuwangama, Alt. 250 m,
31.III.2019. Tokunoshima Is.: 1$, Tokunoshima-cho, Kametsu,
near trailhead of Mt. Inokawa-dake, Alt. 300 m, 1.IV.2019.
1#, Tokunoshima-cho, Todoroki, near Mt. Sasontsuji-dake,
Alt. 200 m, 2.IV.2019. Okinawa Is.: 1#, Nago-shi, Genka, Mt.
Ubashi-yama, Alt. 20 m, 23.V.2016. 2$$, same data as
previous except 12.III.2016, Alt. 100 m. 1#, Kunigami-son,
Yona, Mt. Fuenchiji-dake, Alt. 250 m, 12.III.2016. 1$, samedata as previous except 21.V.2016. 1#, same data as previous
except 23.V.2016. 1$, Kunigami-son, Hiji, Ufugi Nature
Museum, Alt. 10 m, 10.III.2016.

Description. Male. Body length excluding rostrum: 4.7–
7.1 mm. Wing length: 5.2–8.3 mm. Rostrum + labellum: 1.8–
2.6 mm. Head dark gray, anterior part of vertex lighter gray,slightly narrower than scape, posterior part of vertex withcentral gray line in anterodorsal view; rostrum and palpus
dark brown; antenna about 2/3 length of rostrum + labellum,
dark brown, flagellomeres bacilliform.
Thorax with pronotum dark brownish gray, postpronotum and caudal margin of antepronotum yellowish; mesonotum generally yellowish ocherous to brownish gray; prescutum lighter yellow or lighter gray on lateral margin, withthree indistinctly dark stripes, middle one on anterior half towhole length of prescutum, often disappeared, lateral one onposterior 1/2 to 2/3 of prescutum, posterolateral corner ofprescutum sometimes weakly dark; scutal lobe weakly darkened medially, or with two weak stripes, outer one oblique,situated on anterior part, inner one along close to inner
margin; scutellum occasionally with weakly dark stripe at
middle; pleuron pale yellow to ocherous. Wing (Figs 9–10)
tinged with brownish yellow, stigma oval, dark brown; small
dark spot at each of supernumerary crossvein in cell sc,
crossvein sc-r, origin of Rs, and tip of R 2+3, these costal spots
except stigma smaller in specimens from Palaearctic region ofJapan (Fig. 9) and larger in those from Oriental region ofJapan (Fig. 10); weakly dark spot sometimes present at tipof A1; crossvein r-r slightly proximal to middle of R 2+3; Rs
curved at base; crossvein m-cu usually proximal to base ofcell d, sometimes slightly distal to base of cell d. Legs withcoxae and trochanters yellow to brown; succeeding segmentsof legs dusky yellow to brown, bases of femora sometimes
narrowly more yellowish, tips of tibiae sometimes narrowly
and weakly darkened, distal two tarsomeres and tips oftarsomeres 1 to 3 sometimes darkened. Halter dark brown,
stem ocherous basally.
Abdomen brown to dark brown, dusky yellow to ocherous on sternites. Male terminalia (Figs 11–15) sometimes
paler than pregenital tergites; tergite 9 roughly rectangular,
widely and shallowly concaved at middle of posterior margin; gonocoxite with ventromesal lobe about 1/3 length of
gonocoxite, middle part as wide as basal one; clasper ofgonostylus sickle-shaped, strongly curved on distal half; lobeof gonostylus bacilliform, about 2.5 times as long as gonocoxite; rostral lobe with long arched spine, about 1/2 length ofclasper of gonostylus, directed laterally to lateroventrally on
apical part; paramere with basal part large, mesal-apical lobe

186

D. KatoFigs 8–15. Geranomyia paucipuncta sp.n.: 8 — habitus in lateral view; 9–10 — wing; 11 — male terminalia in dorsal view;
12 — gonocoxite in lateroventral view; 13 — rostral lobe of gonostylus, outer surface; 14 — aedeagal complex in dorsal view;
15 — paramere, outer surface. Scale bars: 8 — 3 mm; 9–10 — 1 mm; 11–15 — 0.1 mm.
Figs 8–15. Geranomyia paucipuncta sp.n.: 8 — âíåøíèé âèä ñáîêó; 9–10 — êðûëî; 11 — ãåíèòàëèè ñàìöà äîðñàëüíî; 12 —ãîíîêîêñèò ëàòåðîâåíòðàëüíî; 13 — ïåðåäíÿÿ ÷àñòü ãîíîñòèëÿ, ñíàðóæè; 14 — ÷àñòè ýäåàãóñà, äîðñàëüíî; 15 — ïàðàìåðû,ñíàðóæè. Ìàñøòàá: 8 — 3 ìì; 9–10 — 1 ìì; 11–15 — 0,1 ìì.

wide claw-shaped, curved dorsally at tip, about 1/4 as long asremainder of paramere; aedeagus straight rod-shaped andslightly narrow on distal 1/3 in dorsal view, curved ventrally
on distal 1/3, tip bilobed.
Female. Body length excluding rostrum and labellum: 5.6–
6.9 mm. Wing length: 6.1–7.8 mm. Rostrum + labellum: 1.8–
2.5 mm. Resembling male except terminalia. Ovipositor brown,
often darker on tergites 8 and 9, sometimes yellowish onsternite 8; cercus and hypogynial valve amber-color, some-times reddish, basal part of hypogynial valve sometimes weakly
brownish; cercus about as long as tergite 10, straight and thin,obtuse at tip; hypogynial valve about 1.5 times as long assternite 8, tip ending at level of anterior 1/3 to 1/2 of cercus.
Distribution. Japan (Honshu, Shikoku, Kyushu, andNansei Islands) (Fig. 68).
Etymology. The specific name paucipuncta is derived
from the Latin adjective paucus (few) + punctus (punctured,marked with points), meaning the fewer small spots on theTwo new species of the genus Geranomyia from Japan, with notes on the Japanese species
wing of this species compared to the morphologically similar
species, G. multipuncta. Feminine adjective in nominative
singular.
Remarks. This species is similar to G. multipuncta interms of structure of male terminalia, but is differentiatedfrom it by the following characters: wing with spots on costal
region very small or indistinct, cell bm with at most three
spots (Figs 9–10) (costal spots large and distinct, cell bm
with abundant small spots in G. multipuncta (Fig.22)); maleterminalia with base of ventromesal lobe of gonocoxite aswide as middle part (Fig. 12) (distinctly narrower than middle part in G. multipuncta).

187

Geranomyia argentifera de Meijere, 1911
Figs 16, 29, 41, 53, 66.
Geranomyia argentifera de Meijere, 1911: 29. Type locality:
Indonesia, Java.
Geranomyia argentifera: Kato [2020: 24].

Diagnosis. Blackish species with unpatterned wing except stigma (Fig. 16). Head silvery grey anteriorly. Eyes
distinctly dichoptic. Prescutum with two silvery spots atlateral margin. Legs mainly yellow to brown, paler on coxae
and trochanters. Halter pale yellow. Abdomen brown to darkbrown on tergites. Male terminalia with rostral lobe bearing

Figs 16–28. Wings of Japanese Geranomyia spp.: 16 — G. argentifera; 17 — G. avocetta; 18 — G. feuerborni; 19 — G. gifuensis;
20 — G. gravelyana; 21 — G. hakoneana; 22 — G. multipuncta; 23 — G. pictorum; 24 — G. radialis; 25 — G. sakaguchii; 26 —G. semjina; 27 — G. snyderi; 28 — G. sparsiguttata. Scale bars: 1 mm.
Ðèñ. 16–28. Êðûëüÿ ÿïîíñêèõ âèäîâ ðîäà Geranomyia spp.: 16 — G. argentifera; 17 — G. avocetta; 18 — G. feuerborni; 19 —G. gifuensis; 20 — G. gravelyana; 21 — G. hakoneana; 22 — G. multipuncta; 23 — G. pictorum; 24 — G. radialis; 25 — G. sakaguchii;
26 — G. semjina; 27 — G. snyderi; 28 — G. sparsiguttata. Ìàñøòàá: 1 ìì.

188

D. KatoFigs 29–40. Male terminalia of Japanese Geranomyia spp., dorsal view (left parts omitted): 29 — G. argentifera; 30 —G. avocetta; 31 — G. feuerborni; 32 — G. gifuensis; 33 — G. gravelyana; 34 — G. multipuncta; 35 — G. pictorum; 36 — G. radialis;
37 — G. sakaguchii; 38 — G. semjina; 39 — G. snyderi; 40 — G. sparsiguttata. Scale bars: 0.1 mm.
Ðèñ. 29–40. Ãåíèòàëèè ñàìöîâ (äîðñàëüíî áåç ëåâîé ñòîðîíû) ÿïîíñêèõ âèäîâ ðîäà Geranomyia spp.: 29 — G. argentifera;
30 — G. avocetta; 31 — G. feuerborni; 32 — G. gifuensis; 33 — G. gravelyana; 34 — G. multipuncta; 35 — G. pictorum; 36 —G. radialis; 37 — G. sakaguchii; 38 — G. semjina; 39 — G. snyderi; 40 — G. sparsiguttata. Ìàñøòàá: 0,1 ìì.

two short spines (Fig. 41). Mesal-apical lobe of paramerewith row of setae (Fig. 53).
Distribution. Japan (Nansei Islands) (Fig. 66), China,
Taiwan, Indonesia, and Philippines.

Geranomyia avocetta Alexander, 1913
Figs 17, 30, 42, 54, 65.
Geranomyia avocetta Alexander, 1913: 205. Type locality:
Japan, Tokyo.
Limonia (Geranomyia) avocetta: Alexander [1953: 162].
Geranomyia avocetta: Nakamura [2002: 170]; Nakamura[2014: 46].

Diagnosis. Greyish species with heavily patterned wing.
Prescutum usually with three dark stripes. Wing with large
dark costal spots, tip of A1 with dark spot, cord and outerend of cell d seamed with brown (Fig. 17). Legs mainly
yellow to brown, paler on segments proximal to bases offemora. Halter brown to dark brown, stem yellowish. Abdomen dark brown on tergites. Male terminalia with rostral lobe

bearing two relatively long spines (Fig. 42). Mesal-apicallobe of paramere weakly bilobed at tip (Fig. 54).
Material. Paratype: Japan: [Honshu] 1#, Tokio (Tokyo),?.VIII.1912, Kuwana leg. (USNM). Non-types: Japan: [Hokkaido]
1#, Iwamizawa-shi, Kurisawa-chô-Nishimanzi, Manzi Spa,
Alt. 430 m, 24.VI.2014. [Honshu] 1$, Aomori, Nishimeyamura, Kawaratai, Ôkawa-rindô Path, Alt. 300 m, 4.X.2014. 1$,
Aomori, Nishimeya-mura, Kawaratai, The Shirakami Natural
Science Park, Hirosaki Univ., Alt. 255 m, 25.V.2014. 1$,
Aomori, Towada-shi, Okuse, Tsutanuma-rindô Path, Alt. 460
m, 8.X.2014. 1#, (Tokyo), Mt. Takao, 13.IV.1923, T. Esaki leg.
(USNM). 1#, 1$, Kanagawa, Yokohama-shi, Asahi-ku,
Tsurugamine, Katabira-gawa-Shinsui-ryokudô, Alt. 29 m,
23.IV.2016, T. Mishima leg. 1$, Mie, Matsuzaka-shi, Okawachichô, Alt. 73 m, 15.IV.2014. 1#, Omi (Shiga), Mt. Ryozen,
30.IX.1958, T. Mishima leg. (USNM). 1#, Nara, Kamikitayamamura, Nishihara, Namego-dani River, Alt. 800 m, 9.VIII.2015.
2$, Yamaguchi, Iwakuni-shi, Nishiki-machi-Ôno, Mt. Shôjôyama, Alt. 330 m, 2.V.2016. 1#, same data as previous except
24.VII.2016. [Shikoku] 1$, Kagawa, Mann-ch, Katsuura, Myojingawa River, Alt. 480 m, 21.IV.2015. 1#, (Ehime), Sugitate,
1.XI.1951, T. Ishihara leg. (USNM). 1#, (Ehime), Matsuyama,

Two new species of the genus Geranomyia from Japan, with notes on the Japanese species
Dogo, 19.IV.1952, T. Yano leg. (USNM). 1$, Tokushima,
Miyoshi-shi, Higashiiya-Ochiai, near Matsuogawa Dam, Alt.
900 m, 15.V.2015. 2##, same data as previous except
30.IV.2016. 1#, Tokushima, Higashimiyoshi-chô, Nishishô,Kamodani-gawa River, Alt. 170 m, 21.IV.2014. 1$, Tokushima,
Yoshinogawa-shi, Misato, 16.V.2015. [Kyushu] 1#,1$, Saga,
Saga-shi, Fuji-machi-Seiya, Kase-gawa River near Hokuzan
Dam, Alt. 320 m, 10.X.2015. 3##, 2$$, same data as previous
except 26.X.2015. 1$, same data as previous except 3.XI.2015.
1#, same data as previous except 11.XI.2015. 1#, same dataas previous except 20.XI.2015. [Nansei Islands] Yakushima Is.:
6##,1$, unnamed stream near Kigensugi, Alt. 1270 m,
26.IV.2018. Amamiôshima Is.: 1#, Amami-shi, Naze-ÔazaDaikuma, seaside, north of Daikuma fishing port, Alt. 2 m,
4.IV.2019. 1#, 1$, Yamato-son, Yuwangama, Alt. 250 m,
31.III.2019. Okinawa Is.: 1$, Kunigami-son, Yona, Mt. Fuenchijidake, Alt. 300 m, 12.III.2016. Iriomote Is.: 1$, Iriomote, near
Urauchi-gawa River, Alt. 50 m, 14.III.2016. 2##, Iriomote,Mt. Ûshîku-mori, Alt. 50 m, 14.III.2016. 1#, Komi, Mairagawa River, Alt. 20 m, 15.III.2016.

Distribution. Japan (Hokkaido, Honshu, Shikoku, Kyushu, and Nansei Islands) (Fig. 65) and Russian Far East.

Geranomyia feuerborni (Alexander, 1931)
Figs 18, 31, 43, 55, 66.
Limonia (Geranomyia) feuerborni Alexander, 1931: 163.
Type locality: Indonesia, Java, Mt. Lawu, Sarangan.
Geranomyia feuerborni: Kato [2020: 24].

Diagnosis. Dark brownish species with slightly patterned wing. Prescutum usually with two indistinctly dark
stripes. Wing with stigma dark brown, bearing three weakly
dark tiny spots on costal region (Fig. 18). Legs mainly brown189

to dark brown, yellowish on segments proximal to bases offemora. Halter dark brown, stem yellowish at base. Abdomen
dark brown on tergites. Male terminalia without clasper ofgonostylus. Rostral lobe bifid, forming U-shaped notch between branches (Fig. 43).
Distribution. Japan (Nansei Islands) (Fig. 66) and Indonesia.

Geranomyia gifuensis Alexander, 1921
Figs 19, 32, 44, 56, 66.
Geranomyia (Geranomyia) gifuensis Alexander, 1921: 115.
Type locality: Japan, Honshu, Gifu.
Limonia (Geranomyia) gifuensis: Alexander [1954: 286].
Geranomyia gifuensis: Nakamura [2014: 46]; Kato andSuzuki [2017: 15].

Diagnosis. Greyish species with slightly patterned wing.
Prescutum usually with two dark stripes. Pleuron dusky yellow to dark ocherous. Wing with stigma dark brown, four
weakly dark tiny spots on costal region (Fig. 19). Legs mainly
dusky yellow to brown, paler on segments proximal to basesof femora. Halter yellowish, knob infuscated. Abdomen darkgreyish brown on tergites. Male terminalia with rostral lobe
bearing two short spines (Fig. 44). Paramere with lateral partproduced posteriorly beyond base of mesal-apical lobe, mesalapical lobe smooth on dorsal margin (Fig. 56).
Material. Paratype: Japan: [Honshu] 1$, Gifu, 10.X.1920,
K. Takeuchi leg. (USNM). Non-types: Japan: [Honshu] 1$,
Aomori, Azigasawa-machi, Midstream of Akaishi-gawa River,
Alt. 125 m, 4.VII.2014. 1$, Aomori, Azigasawa-machi, seaside,
22.IX.2013. 1$, Aomori, Nakadomari-machi, Kodomari, river,

Figs 41–52. Rostral lobes and spines of Japanese Geranomyia spp., dorsal or outer surface (Figs 45–47, 49–52), ventral or
inner surface (Figs 41–44, 48): 41 — G. argentifera; 42 — G. avocetta; 43 — G. feuerborni; 44 — G. gifuensis; 45 — G. gravelyana;
46 — G. multipuncta; 47 — G. pictorum; 48 — G. radialis; 49 — G. sakaguchii; 50 — G. semjina; 51 — G. snyderi; 52 —G. sparsiguttata. Scale bars: 0.1 mm.
Ðèñ. 41–52. Âåðøèííûå äîëè è ñïèêóëû (äîðñàëüíî, ñíàðóæè ðèñ. 45–47, 49–52, âåíòðàëüíî, èçíóòðè ðèñ. 41–44, 48)
ÿïîíñêèõ âèäîâ ðîäà Geranomyia spp.: 41 — G. argentifera; 42 — G. avocetta; 43 — G. feuerborni; 44 — G. gifuensis; 45 —G. gravelyana; 46 — G. multipuncta; 47 — G. pictorum; 48 — G. radialis; 49 — G. sakaguchii; 50 — G. semjina; 51 — G. snyderi;
52 — G. sparsiguttata. Ìàñøòàá: 0,1 ìì.

190

D. KatoFigs 53–64. Parameres of Japanese Geranomyia spp., ventral or outer surface (Figs 53–62, 64), dorsal or inner surface (Fig. 63):
53 — G. argentifera; 54 — G. avocetta; 55 — G. feuerborni; 56 — G. gifuensis; 57 — G. gravelyana; 58 — G. multipuncta; 59 —G. pictorum; 60 — G. radialis; 61 — G. sakaguchii; 62 — G. semjina; 63 — G. snyderi; 64 — G. sparsiguttata. Scale bars: 0.1 mm.
Ðèñ. 53–64. Ïàðàìåðû (âåíòðàëüíî, ñíàðóæè ðèñ. 53–62, 64, äîðñàëüíî, èçíóòðè ðèñ. 63) ÿïîíñêèõ âèäîâ ðîäàGeranomyia spp.: 53 — G. argentifera; 54 — G. avocetta; 55 — G. feuerborni; 56 — G. gifuensis; 57 — G. gravelyana; 58 —G. multipuncta; 59 — G. pictorum; 60 — G. radialis; 61 — G. sakaguchii; 62 — G. semjina; 63 — G. snyderi; 64 — G. sparsiguttata.
Ìàñøòàá: 0,1 ìì.
south of Nanatsudaki-sawa River, Alt. 10 m, 28.VII.2013. 1$,
Aomori, Nishimeya-mura, Kawaratai, Ôkawa-rindô Path, Alt.
300 m, 4.X.2014. 1#, Aomori, Nishimeya-mura, Kawaratai,
The Shirakami Natural Science Park, Hirosaki Univ., Alt. 255
m, 25.X.2014 (LT). 1$, Aomori, Hirosaki-shi, Sôma-rindôPath, Alt. 390 m, 28.VI.2013. 1$, Aomori, Hachinohe-shi,Ôkubo, Kanafukizasa Cold Spa, Alt. 85 m, 4.VIII.2013. 1#,
Akita, Kazuno-shi, Hachimantai, near Hebisawa-numa Pond,
Alt. 790 m, 5.VIII.2015. 2$$, Iwate, Hachimantai-shi, Hosono,Appi Highland, Alt. 520 m, 3.VIII.2013. 1#, Echigo (Niigata),
Kurokawa, 21.IX.1954, K. Baba leg. (USNM). 1#, 1$, Gifu,
Nakatsugawa-shi, Kashimo, Nishimata-dani Valley, Alt. 800m, 7.VIII.2015. 1#, Aichi, Seto-shi, Iwaya-chô, near Iwayadô
Park, Alt. 300 m, 17.VII.2016. 1$, Ôsaka, Mt. Minomo,
4.V.1921, R. Takahashi leg. (USNM). 1$, Okayama, Maniwashi, Hiruzen-Shimotokuyama, Alt. 780 m, 11.VIII.2015. 1#,
Yamaguchi, Iwakuni-shi, Nishiki-machi-Ôno, Mt. Shôjô-yama,
Alt. 330 m, 11.VIII.2015. [Shikoku] 1#, Iyo (Ehime),
Matsuyama, Dogo, 19.IV.1952, Yano leg. (USNM). 1$, Iyo(Ehime), Omogo Valley, 9.XI.1953, Mohri leg. (USNM). 1#,
Tokushima, Higashimiyoshi-chô, Nishishô, Kamodani-gawaRiver, Alt. 170 m, 21.IV.2014. [Kyushu] 1$, Fukuoka, Fukuokashi, Sawara-ku, Itaya, Mt. Sefuri-san, Alt. 970 m, 2.V.2015.
2##, same data as previous except 27.VIII.2016 (LT). 3##,
2$$, Fukuoka, Itoshima-shi, Shimasakurai, Mt. Tenga-dake,
Alt. 110 m, 29.V.2015. 1$, same data as previous except
21.VI.2015. 1$, same data as previous except 2.VII.2015. 1#,
Fukuoka, Miyako-machi, Saigawa-Hobashira, Notoge Pass,
Alt. 740 m, 21.IX.2015. 1$, Saga, Saga-shi, Fuji-machi-Seiya,
Kase-gawa River near Hokuzan Dam, Alt. 320 m, 12.IV.2015.

Distribution. Japan (Honshu, Shikoku, and Kyushu),(Fig. 66), North Korea, South Korea, and Russian Far East.

Geranomyia gravelyana (Alexander, 1942)
Figs 20, 33, 45, 57, 67.
Limonia (Geranomyia) gravelyana Alexander, 1942: 58.
Type locality: India, W. Bengal, Darjiling District, Eastern
Himalayas.
Geranomyia gravelyana: Kato [2020: 25].

Diagnosis. Greyish species with unpatterned wing except stigma (Fig. 20). Prescutum with four broad dark stripes.
Pleuron dusky yellow to dark ocherous. Legs mainly brownto dark brown, paler on segments proximal to bases of femora, fore femur often yellowish entirely. Halter dark brown.
Abdomen dark brown on tergites. Male terminalia with rostral lobe bearing two short curled spines (Fig. 45).
Material. Non-types: Japan: [Nansei Islands] Amamiôshima
Is.: 2##, 1$, Yamato-son, Yuwangama, Alt. 250 m, 31.III.2019.
Tokunoshima Is.: 2##, Tokunoshima-cho, Todoroki, near
Mt. Sasontsuji-dake, Alt. 200 m, 2.IV.2019.

Distribution. Japan (Nansei Islands) (Fig. 67) and India.

Geranomyia hakoneana (Alexander, 1955)
Figs 21, 69.
Limonia (Geranomyia) hakoneana Alexander, 1955: 371.
Type locality: Japan, Honshu, Kanagawa, Hakone-machi,
Miyanoshita.
Geranomyia hakoneana: Nakamura [2014: 46]; Kato andSuzuki [2017: 15].

Diagnosis. Greyish brown species with sparsely patterned wing (Fig. 21). Prescutum with three dark stripes.
Pleuron weakly yellowish ventrally. Wing with seven small
dark spots on costal region, only stigma large, cord and outerend of cell d seamed with dark brown (Fig. 21). Legs mainly
brownish yellow, paler on coxae and trochanters. Halter paleyellow, knob weakly dark at tip. Abdomen dark brown on
tergites. Male terminalia with rostral lobe bearing two shortspines.
Material. Holotype: # , Japan, Honshu, Hakone,
Miyanoshita, 31.VIII.1950, collector not given (USNM).

Distribution. Japan (Honshu) (Fig. 69).
Remarks. Alexander [1955] mentioned that the rostral
lobe of the holotype had two straight rostral spines of moderate length as in G. gifuensis but the male terminalia was lost
before mounting on a slide.

Two new species of the genus Geranomyia from Japan, with notes on the Japanese species

191

Figs 65–70. Distribution maps of Japanese Geranomyia spp. (data in the previous papers are included): 65 — G. avocetta(red), G. snyderi (blue); 66 — G. argentifera and G. feuerborni (red), G. gifuensis (blue); 67 — G. gravelyana (red), G. multipuncta(blue); 68 — G. iriomotensis sp. n. (red), G. paucipuncta sp. n. (blue); 69 — G. hakoneana (red), G. sakaguchii (blue), G. pictorum
and G. sparsiguttata (green); 70 — G. radialis (red), G. semjina (blue).
Ðèñ. 65–70. Ðàñïðîñòðàíåíèå ÿïîíñêèõ âèäîâ ðîäà Geranomyia spp. (ñ ó÷¸òîì äàííûõ ïðåäûäóùèõ ïóáëèêàöèé): 65 —G. avocetta (êðàñíûé), G. snyderi (ñèíèé); 66 — G. argentifera and G. feuerborni (êðàñíûé), G. gifuensis (ñèíèé); 67 —G. gravelyana (êðàñíûé), G. multipuncta (ñèíèé); 68 — G. iriomotensis sp.n. (êðàñíûé), G. paucipuncta sp.n. (ñèíèé); 69 —G. hakoneana (êðàñíûé), G. sakaguchii (ñèíèé), G. pictorum è G. sparsiguttata (çåë¸íûé); 70 — G. radialis (êðàñíûé), G. semjina(ñèíèé).

192

D. KatoGeranomyia multipuncta Alexander, 1922

Geranomyia radialis (Alexander, 1930)

Figs 22, 34, 46, 58, 67.

Figs 24, 36, 48, 60, 70.

Geranomyia multipuncta Alexander, 1922: 177. Type
locality: Japan, Honshu, Gifu.
Limonia (Geranomyia) multipuncta: Alexander [1954: 287].
Geranomyia multipuncta: Nakamura [2014: 46].

Limonia (Geranomyia) radialis Alexander, 1930a: 62. Type
locality: Japan, Nansei Islands, Yaku-shima Is., Kosugidani.
Limonia (Geranomyia) radialis: Alexander [1930b: 508].
Geranomyia radialis: Nakamura [2014: 46].

Diagnosis. Brownish grey to grey species with heavily
patterned wing. Prescutum with three dark stripes. Pleuron
sometimes yellowish. Wing with seven large dark spots on
costal region, cord and outer end of cell d seamed with darkbrown, abundant tiny spots on cells proximal to cord (Fig.
22). Legs mainly yellow to brown, sometimes paler on coxae
and trochanters. Halter dusky yellow, knob weakly dark.
Abdomen brown to dark brown on tergites. Male terminalia
with rostral lobe bearing long arched spine, about 1/2 lengthof clasper of gonostylus (Fig. 34).
Distribution. Japan (Honshu, Shikoku, Kyushu, andNansei Islands) (Fig. 67) and South Korea.
Material. Holotype: #, Japan, Honshu, Gifu, 1.V.1921, K.

Diagnosis. Light ocherous to grey species with sparsely patterned wing. Prescutum with three dark stripes. Pleuron paler. Wing with seven dark spots on costal region, cordand outer end of cell d seamed with dark brown (Fig. 24).
Legs mainly dusky yellow to dark brown, segments proximal to bases of femora paler. Halter dark brown. Abdomen
brown to dark brown on tergites. Male terminalia withrostral lobe bearing two long and stout, weakly curved
spines (Fig. 48).
Distribution. Japan (Nansei Islands) (Fig. 70), China,
and Taiwan.
Material. Holotype: #, Japan, Nansei Islands, Yakushima,

Takeuchi leg. (USNM). Non-types: Japan: [Honshu] 1#, Aomori,
Hirosaki-shi, Ichinowatari-Washinosu, Alt. 205 m, 21.V.2013.
1$, same data as previous except 19.VII.2013. 1$, same dataas previous except 5.IX.2013. 1#, Aomori, Hirosaki-shi,
Koguriyama, Inekari-sawa River, Alt. 170 m, 16.VII.2013. 1#,
Aomori, Hirosaki-shi, Bunkyô-chô, Hirosaki Univ., 13.X.2013.
1#, Aomori, Fukaura-machi, Mt. Takaniô-yama, Alt. 140 m,
11.V.2014. 4##, 2$$, Aomori, Tsugaru-shi, Kizukuri-Dekijima,
Seaside, Alt. 5 m, 11.V.2014. 1#, same data as previous
except 21.VII.2014. 1#, Tokyo, Mt. Mitake, 10.V.1931, B.
Oda leg. (USNM). 1#, Mino (Gifu), Hirugano, 3.V.1959,
Mishima leg. (USNM). 1$, Aichi, Nagoya-shi, Chikusa-ku,
Niza-chô, Nagoya Univ., Higashiyama Campus, 15.VI.2016, T.
Mishima leg. (BLKU). 1$, Mie, Matsuzaka-shi, Okawachi-chô,Alt. 73 m, 15.IV.2014. 1$, Mie, Matsuzaka-shi, Shôchô,Kushida-gawa River, Alt. 25 m, 14.IV.2014. 1#, same data as
previous except 15.IV.2014. 1#, Kyoto, Kibune, 20.IV.1931,
Tokunaga leg. (USNM). [Shikoku] 1#, Iyo (Ehime), Dogo,
Matsuyama, 10.IV.1952, T. Yano leg. (USNM). [Kyushu] 1$,
Fukuoka, Soeda-machi, Ochiai, Hikosan-gawa River, Alt. 210
m, 22.IV.2016. 1$, Saga, Saga-shi, Fuji-machi-Seiya, Kase-gawaRiver near Hokuzan Dam, Alt. 320 m, 12.IV.2015. 1#, samedata as previous except 10.X.2015. 1#, 1$, Ôita, Yufu-shi,
Yufuin-ch-Kawanishi, Alt. 660 m, 16.IV.2016. [Nansei Islands]
Yakushima Is.: 1$, Miyanoura, near Sen-no-Ie, Alt. 20 m,
25.IV.2018.

Geranomyia pictorum (Alexander, 1929)
Figs 23, 35, 47, 59, 69.
Geranomyia pulchripennis Brunetti, 1912: 393. Type
locality: India, West Bengal, Darjeeling, Kurseong.
Limonia (Geranomyia) pictorum Alexander, 1929: 247.
New name for Geranomyia pulchripennis.
Geranomyia pictorum: Kato [2020: 26].

Diagnosis. Light ocherous to brown species with heavily
patterned wing. Prescutum with three dark stripes. Pleuron
yellowish ventrally. Wing with seven large dark spots on
costal region, cord and outer end of cell d seamed with darkbrown, abundant tiny spots on cells proximal to cord (Fig.
23). Legs mainly brownish yellow. Halter dark brown, stemocherous basally. Abdomen brown on tergites. Male terminalia with rostral lobe bearing two short spine (Fig. 47).
Distribution. Japan (Nansei Islands) (Fig. 69), Taiwan,
and India.

Kosugidani, altitude 2,500 feet, 29.IV.1929, S. Issiki leg.
(USNM). Paratype: Japan: [Nansei Islands] 1#, same data as
holotype. Non-types: Japan: [Nansei Islands] Yakushima Is.:1#, near Shirataniunsui-kyô Valley, Alt. 600 m, 27.IV.2018.
Amamiôshima Is.: 1$, Setouchi-chô, Agina, east of Agina-gawaRiver, Alt. 300 m, 3.IV.2019. 1$, Setouchi-chô, Shinokawa,
Yakugachi-gawa River, Alt. 130 m, 3.IV.2019. Tokunoshima
Is.: 1#, 1$, Tokunoshima-cho, Kametsu, near trailhead of Mt.
Inokawa-dake, Alt. 300 m, 1.IV.2019. Okinawa Is.: 1#,
Kunigami-son, Yona, Mt. Fuenchiji-dake, Alt. 300 m, 12.III.2016.
1#, Nago-shi, Genka, Mt. Ubashi-yama, Alt. 100 m, 12.III.2016.
Iriomote Is.: 2##,2$$, Uehara, Urauchi-gawa River, Alt. 50
m, 14.III.2016. 1#, Iriomote, near Urauchi-gawa River, Alt.
30 m, 18.V.2016. 1$, Haeminaka, Alt. 170–230 m, 19.III.2016.
1#, 2$$, Komi, between Maira- and Shiira-gawa Rivers, Alt.
70 m, 29.I.2016.

Geranomyia sakaguchii Alexander, 1924
Figs 25, 37, 49, 61, 69.
Geranomyia (Geranomyia) sakaguchii Alexander, 1924:
60. Type locality: Japan, Nansei Islands, Okinawa, Okinawa Is.,
Naha-shi, Shuri.
Geranomyia sakaguchii: Nakamura [2014: 46].

Diagnosis. Greyish ocherous species with sparsely patterned wing. Vertex with small finger-shaped lobe at anterior
end. Flagellomeres with middle segments produced ventrally.
Prescutum with three dark stripes. Pleuron with two weakly
dark stripes. Wing with four dark small spots on anterior
region (Fig. 25). Legs mainly yellow. Halter pale yellow.
Abdomen brown to dark brown on tergites. Male terminalia
with rostral lobe bearing two spines, well separated fromeach other at bases (Fig. 49).
Distribution. Japan (Tsushima Island and Nansei Islands) (Fig. 69).
Material. Holotype: #, Japan, Nansei Island, Okinawa,
Shuri, altitude 300 feet, 11.III.1923, S. Sakaguchi leg. (USNM).
Non-types: Japan: [Tsushima Is.] 1#, Komoda, 29.IX.1930,
Hori and Fujino leg.

Remarks. This species is very similar to a species from
Kuril Islands, G. kunashir Podenas, 2016, but is distinguished from it by the following characters: pleuron brownish gray, with two dark stripes (brownish yellow with blackish spot behind cervical sclerite in G. kunashir); tergites
without yellowish spots on anterior three segments (yellowish spots present in G. kunashir).

Two new species of the genus Geranomyia from Japan, with notes on the Japanese species
Geranomyia semjina Podenas, 2016
Figs 26, 38, 50, 62, 70.
Geranomyia semjina Podenas, 2016: 556. Type locality:
South Korea, Jeollanam-do, Gurye-gun, Toji-myeon, Naeseori, Jirisan National Park, Piagol valley.
Geranomyia semjina: Kato [2020: 27].

Diagnosis. Greyish ocherous to grey species with unpatterned wing except stigma (Fig. 26). Vertex without light grey
longitudinal line on posterior part. Prescutum with three dark
stripes. Pleuron sometimes paler. Legs mainly yellow. Halter
yellowish, knob infuscated. Abdomen brown to dark brown
on tergites, narrowly yellowish at caudal margins of mostsegments. Male terminalia with rostral lobe bearing two longand curved spines (Fig. 50).
Distribution. Japan (Honshu, Shikoku, and Kyushu)(Fig. 70) and South Korea.

Geranomyia snyderi (Alexander, 1972)
Figs 27, 39, 51, 63, 65.
Limonia (Geranomyia) snyderi Alexander, 1972: 783. Type
locality: Japan, Ogasawara Islands, Tokyo, Ani Is., Mt. Sen-zan.
Limonia (Geranomyia) snyderi chichiensis Alexander, 1972:
784, syn. nov. Type locality: Japan, Ogasawara Islands, Tokyo,
Chichi Is., Ô-mura.
Geranomyia snyderi chichiensis Nakamura [2014: 47].
Geranomyia snyderi snyderi Nakamura [2014: 47].

Diagnosis. Dark greyish brown species with sparsely
patterned wing. Prescutum ocherous, with three broad dark
stripes, often fused with one another. Pleuron yellow toocherous on dorsal half of katepisternum. Wing with threesmall dark costal spots and larger stigma (Fig. 27). Legs
mainly dusky yellow, segments proximal to bases of femora
paler, each tibia with broad, distinctly dark area at tip, morethan four times as long as wide. Halter dark brown. Abdomen
dark brown on tergites. Male terminalia with rostral lobe
bearing two short spines (Fig. 51).
Distribution. Japan (Ogasawara Islands) (Fig. 65).
Material. Holotypes: #, Japan, Ogasawara Islands, ChichiGr., Ani Is., Sen-zan, Northeast Bay, 28.V.1958, Snyder leg.
(holotype of Limonia (Geranomyia) snyderi / USNM); 1$,
Japan, Ogasawara Islands, Chichi Is., Gr., Omura, «camp
beach», 2–25.IV.1958, Snyder leg. (holotype of Limonia(Geranomyia) snyderi chichiensis / USNM). Paratype: Japan:[Ogasawara Islands] 1$, Tokyo, Chichi Is., Yatsuse River,
Minatoko, 10–22.IV.1958, F. M. Snyder leg. (USNM). Nontypes: Japan: [Ogasawara Islands] Chichi Is.: 2$$, northern
tributary of Shigure Dam, Alt. 80 m, 15.V.2018. 4$$, ChichijimaKitafukurozawa, Tokoyono-taki Waterfall, Alt. 35 m, 16.V.2018.

Remarks. A subspecies of this species, G. snyderi chichiensis, from Chichi Is., which is situated about 500 m north of
the type locality of the nominotypical subspecies, Ani Is.,was separated by body size, length of rostrum, coloration ofthorax, and wing pattern. However, these differences areslight and often occur within species of Geranomyia. As aresult of examining additional specimens from Chichi Is., thedarker coloration on the thorax of the type of Geranomyia
snyderi chichiensis was turned out to be due to decay anddiscoloration. Therefore this subspecies is synonymized with
the nominotypical species in this study.

Geranomyia sparsiguttata (Alexander, 1937)
Figs 28, 40, 52, 64, 69.
Limonia (Geranomyia) sparsiguttata Alexander, 1937: 374.
Type locality: China, Fujian, Liung-chon-san.
Geranomyia sparsiguttata: Kato [2020: 28].

193

Diagnosis. Greyish brown species with sparsely patterned wing. Prescutum with three dark stripes. Pleuron
dusky yellow on ventral half. Wing with weakly dark, four
small costal spots and larger stigma (Fig. 28). Legs mainly
brown, segments proximal to bases of femora paler. Halterdark brown. Abdomen dark brown on tergites. Male terminalia with rostral lobe bearing two short spines (Fig. 52).
Paramere with posterior end of lateral part at almost samelevel of base of mesal-apical lobe, mesal-apical lobe serrate on
dorsal margin (Fig. 64).
Distribution. Japan (Nansei islands) (Fig. 69) and China.

KEY TO JAPANESE SPECIES OF GERANOMYIA
1. Vertex with finger-shaped lobe at anterior end; most of maleflagellomeres produced ventrally, with short necks atanterior and posterior ends; wing with four small spots(Fig. 25); lobe of gonostylus small, shorter than gonocoxite,
clasper of gonostylus almost straight (Fig. 37) ..............
................................................................. G. sakaguchii— Vertex without finger-shaped lobe; most of maleflagellomeres bacilliform, without necks at anterior andposterior ends ............................................................... 2
2. Anterior vertex at narrowest point more than 2.5 times aswide as scape; prescutum with two slivery spots on lateral
margin; wing unpatterned except stigma (Fig. 16); mesalapical lobe of paramere bearing row of setae (Fig. 53) ...
................................................................. G. argentifera— Anterior vertex at narrowest point at most 1.5 times aswide as scape; prescutum without silvery spots ......... 3
3. Posterior part of vertex without central grayish line inanterodorsal view; wing unpatterned except stigma(Fig. 26); lobe of gonostylus about as long as gonocoxite(Fig. 38); rostral lobe with two long rostral spines from two
tubercles (Fig. 50) ......................................... G. semjina— Posterior part of vertex with grayish middle line inanterodorsal view ......................................................... 4
4. Wing posterior margin with more than one spot proximal
to tip of M4 (Figs 17, 21–23) ...................................... 5— Wing posterior margin without spot or with one spot at
tip of A1 (Figs 2, 9–10, 18–20, 24, 27, 28) .................. 8
5. Cell bm without spots (Figs 17, 21) ............................ 6— Cell bm with group of small dark spots (Figs 22–23) ..... 7
6. Spots on wing except stigma roundish, much smaller than
1/4 of stigma (Fig. 21) ............................. G. hakoneana— Spots on wing except stigma squarish, some spots about
half as large as stigma (Fig. 17) .................... G. avocetta
7. Spot at tip of Sc at least as large as one at origin of Rs,
extending to Rs (Fig. 23); male terminalia with two shortand straight rostral spines (Fig. 47) ............ G. pictorum— Spot at tip of Sc smaller than one at origin of Rs, notreaching at Rs (Fig. 22); male terminalia with one long andcurved rostral spine (Fig. 46) ................. G. multipuncta
8. Tibia with distinctly dark area at tip, more than four times
as long as wide; paramere with mesal-apical lobe large,
about half length of paramere (Fig. 63) ......... G. snyderi— Tibia without dark apical area or with much shorter weakly
dark area at tip; paramere with mesal-apical lobe at most
1/3 length of paramere (Figs 7, 15, 55–57, 60, 64) ...... 9
9. Wing (Fig. 24) with seven costal spots; costal spots atorigin of Rs and level of tip of A1 rectangular, both almost
reaching at M; crossvein m-cu usually situated more than194

D. Katohalf length of itself proximal to inner end of cell d; two long
rostral spines present from two tubercles (Fig. 48) .......
...................................................................... G. radialis— Wing usually with less than seven costal spots; if sevencostal spots present, spot at origin of Rs roundish, notapparently reaching at M; crossvein m-cu usually within
half length of itself from inner end of cell d; rostral spine(s)not as above ................................................................ 10
10. Clasper of gonostylus absent (Fig. 31); one stout rostralspine present, directed dorsally (Fig. 43) ......................
.................................................................. G. feuerborni— Clasper of gonostylus present, slender sickle-shaped (Figs3, 11, 32–33, 40) ........................................................ 11
11. One rostral spine present (Figs 5, 13) ....................... 12— Two rostral spines present (Figs 44–45, 52) ............. 13
12. Rostral spine about as long as clasper of gonostylus (Figs.
3, 5); paramere gradually narrowed to tip (Fig. 7) .........
...................................................... G. iriomotensis sp.n.
— Rostral spine about twice as long as clasper of gonostylus(Figs. 11, 13); paramere strongly narrowed on mesal-apicallobe (Fig. 15) ................................. G. paucipuncta sp.n.
13. Rostral spines curled (Fig. 45) ................ G. gravelyana— Rostral spines straight (Figs 44, 52) .......................... 14
14. Lobe of gonostylus about 3.5 times as long as gonocoxite(Fig. 40); lateral part of paramere not produced posteriorly
beyond base of mesal-apical lobe, dorsal margin of mesalapical lobe serrate (Fig. 64)...................G. sparsiguttata— Lobe of gonostylus about twice as long as gonocoxite (Fig.
32); lateral part of paramere produced posteriorly beyondbase of mesal-apical lobe, dorsal margin of mesal-apicallobe smooth (Fig. 56) .................................. G. gifuensis

Acknowledgements
I am indebted to Dr. Jon Gelhaus (the Academy of
Natural Science of Drexel University, Philadelphia, USA)for helping me examine specimens in USNM and to Dr. Floyd
Shockley and Dr. Torsten Dikow (USNM) for allowing me
to examine their specimens. I thank Dr. Tatsuya Mishima
and Dr. Takuji Tachi (Biosystematics Laboratory, Facultyof Social and Cultural Studies, Kyushu University, Japan)
for providing valuable specimens and comments on theearly draft of this paper. I was supported during the stay in
USA for examining specimens by the Japan Student Services Organization (JASSO) Japan Public-Private PartnershipStudent Study Abroad Program (Young Ambassador Program).

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Поступила в редакцию 15.12.2020