Minilimosina
Creators: name: Su, Lixin
name: Liu, Guangchun
name: Xu, Jie
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sphaeroceridae
Minilimosina

description: Key to species of Minilimosina from China
1 2 pairs of dorsocentral setae. Body often shining black (subgenus Svarciella Roháček)............................. 6
- 1 pair of dorsocentral setae, sometimes with a small anterior pair. Body never shining black.......................... 2
2 Cell dm very short, anterior outer corner obtuse-angled and posterior outer corner acute-angled. Cs2 no more than 0.7 times as long as Cs3. Gonostylus without posteroventral spine. Hypandrium short (subgenus Allolimosina Roháček).............. 3
- Cell dm longer, anterior outer angle acute-angled to rectangular, or rarely slightly obtuse-angled; posterior outer corner never acute-angled. Cs2 usually over 0.7 times (rarely less than 0.7 times) as long as Cs3. Gonostylus with a posteroventral spine. Hypandrium long (subgenus Minilimosina Roháček)......................................................... 4
3 Four interfrontals. The length of dm-cu shorter than distance between r-m and dm-cu; R2+3 apically slightly curved to C. Gonostylus with a long and thin seta at the middle (Fig. 5); male cerci concave and setulose on ventral margin (Fig. 3) (Hebei)........................................................................................... M. cerciseta Su
- Three interfrontals. The length of dm-cu longer than distance between r-m and dm-cu; R2+3 straight, apically not curved to C. Gonostylus with a relatively short and thick seta at the middle (shorter and thicker than that of M. cerciseta, Fig. 8); male cerci not concave and bare on ventral margin (Roháček, 1983: Fig. 304) (Hubei).................... M. alloneura (Richards)
4 Apical scutellar seta 0.5–1.4 times as long as scutellum length. Sternite 5 of male with a blunt, hairy posteromedial process. 5
- Apical scutellar seta 1.9 times as long as scutellum length. Sternite 5 of male with posteromedial process with 3 posteromedial combs of short flat setae (Fig. 32) (Liaoning)................................................ M. quadrispinosa Su
5 Cs2 0.8 times as long as Cs3. Sternite 5 of male only with setulae in front of posteromedial process (Fig. 18). Sternite 8 of female narrow and anteriorly trilobed (Roháček, 1983: Fig. 257) (Jilin, Ningxia, Shaanxi, Zhejiang). M. fungicola (Haliday)
- Cs2 half as long as Cs3. Sternite 5 of male with two robust spine-like setae in front of posteromedial process (Fig. 23). Sternite 8 of female wide and anteriorly with large medial process (Fig. 25) (Yunnan, Shaanxi).................... M. luteola Su
6 Antennae yellow to brownish orange, contrasting with dark head, sometimes also face and lower frons with lunule orange to reddish brown....................................................................................... 7
- Antennae dull, not contrasting in colour with head and face always dark (but rarely with silver microtomentum)........ 13
7 Legs yellow except for hind and mid femora yellowish brown. Sternite 5 of male with large posteromedial comb, 2 horn-like robust spines and trilobed posterior structure (Figs. 40, 41) (Guangxi).......................... M. cornigera Marshall
- Legs at least partly black............................................................................... 8
8 First tarsomere of fore leg blackish brown, 4 apical tarsomeres white, distinctly paler than yellow tarsi of mid and hind legs (Fig. 72). Postgonite extraordinarily broad (Fig. 76) (Zhejiang)........................... M. furculisterna (Deeming)
- All tarsomeres of fore leg yellow or brown, not paler than tarsi of mid and hind legs, or with 4 basal tarsomeres of fore leg dark brown to brownish black, sometimes tarsi of mid and hind legs reddish orange. Postgonite slender.................... 9
9 Abdomen with tergites 3–5 dark pigmented and heavily sclerotized as is syntergite 1+2. Sternite 6 of male with a pair of haltere-like processes (Fig. 82) (Jiangxi)........................................................ M. obtusispina Su
- Abdomen with tergites 3–5 slightly paler or much paler (if much paler, often desclerotized), reduced in contrast to large and dark pigmented syntergite 1+2. Sternite 6 of male simple..................................................... 10
10 Mid and hind tibiae black with yellowish distal and proximal ends............................................. 11
- Mid and hind tibiae yellow to orange..................................................................... 12
11 Sternite 5 of male with separated posteromedial lobes apically more pointed, posteriorly projecting (Fig. 59). Gonostyli symmetrical (Fig. 56). Tergite 10 of female with 2 setae on posterior half (Roháček & Marshall, 1988: Fig. 59); sternite 8 trapezoidal (Roháček & Marshall, 1988: Fig. 61); spermathecae smooth (Roháček & Marshall, 1988: Fig. 60) (Shaanxi, Yunnan, Zhejiang).................................................................... M. fanta Roháček & Marshall
- Sternite 5 of male with separated posteromedial lobes apically blunt, laterally projecting (Fig. 87). Gonostyli asymmetrical (Fig. 85). Tergite 10 of female with 2 setae on anterior half (Fig. 89); sternite 8 butterfly-shaped (Fig. 90); spermathecae with small tubercles (Fig. 91) (Zhejiang)................................................... M. parafanta Su sp. nov.
12 Two orbital setae. Scutum normal. Fore tarsus entirely brown, mid and hind femora black. Cs2 0.9 times as long as Cs3. Sternite 5 of male with posterior bifurcate lobe carrying 2 separate comb-like rows of blunt spines (Fig. 67). Distiphallus without whiplike sclerite. Tergite 8 of female bipartite, projecting in 2 dark, narrow posterolateral lobes (Figs. 69, 70); sternite 8 (Fig. 70) with a group of posterior setae and anteriorly slightly straight; spermathecae peanut-shaped (Fig. 71) (Guangdong, Guangxi, Jiangxi, Zhejiang).................................................................. M. furculipexa Marshall
- One orbital seta. Scutum dorsally convex. Fore tarsus with 4 basal tarsomeres dark brown to black (Fig. 92), mid and hind femora yellow. Cs2 0.4 times as long as Cs3. Sternite 5 of male with only single posterior lobe bearing row of short setae (Fig. 97). Distiphallus with double whip-like sclerite (Fig. 96). Tergite 8 of female tripartite (Fig. 98); sternite 8 with 2 long and 6 short setae on posterior half and anteriorly distinctly convex (Fig. 99). Spermathecae ball-shaped (Fig. 100).................................................................................................... M. tapiehella Su sp. nov.
13 Tergites 3–5 pale pigmented, sometimes desclerotized, more or less contrasting with darker syntergite 1+2............. 14
- Tergites 3–5 heavily sclerotized and dark pigmented, shining like syntergite 1+2. Sternite 5 of male with deflexed apically bifurcate posteromedial process and row of small spines in front of it (Roháček, 1982: Fig. 200, sub M. splendens; Figs. 101, 102) (Jiangxi)..................................................................... M. v-atrum (Villeveuve)
14 Cs2 black. Deflexed posteromedial process of male sternite 5 broadly Y-shaped, only with small setulae (Fig. 106) (Hebei)............................................................................... M. vitripennis (Zetterstedt)
- Cs2 pale brown to dark brown, coloured like the rest of C. Deflexed posteromedial process of male sternite 5 with comb-like row.............................................................................................. 15
15 Tergites 3–5 of male each with a pair of very long setae directed laterally. Posteromedial lobe of male sternite 5 trilobed in posterior view, of which middle lobe pale, short and thick (Fig. 37). Distiphallus with whip-like dorsal sclerite (Fig. 36) (Jiangxi, Hubei)............................................................................. M. archboldi Marshall
- Tergites 3–5 of male each only with setae normally directed posteriorly. Posteromedial lobe of male sternite 5 quadripartite in posterior view, of which a pair of middle lobes black, long and thin (Fig. 53). Distiphallus with dorsal sclerite short (Figs. 49, 50) (Jiangxi)..................................................................... M. gracilenta Su sp. nov.
description: Published as part of Su, Lixin, Liu, Guangchun & Xu, Jie, 2015, A review of Minilimosina Roháček (Diptera: Sphaeroceridae) from China, pp. 1-28 in Zootaxa 4007 (1) on pages 2-3, DOI: 10.11646/zootaxa.4007.1.1, http://zenodo.org/record/289278