Paraphylax transstriatus Watanabe, 2021, sp. nov.
Creators: name: Watanabe, Kyohei
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Paraphylax
Paraphylax transstriatus

description: Paraphylax transstriatus sp. nov.
(New SJN: Yokosuji-togari-himebachi)
(Figs 27A–E, 65H, 66G)
Etymology. The specific name is from the transverse striae of T I.
Type series. Holotype: KPM-NK 55080, F, JAPAN, Tokyo, Miyakejima Is., Miyake Vil., Kamitsuki, 22. IX. – 20. X. 2012, K. Tsujii leg. (MsT).
Description. Female (n=1). Body length 4.6 mm. Body polished, covered with silver setae.
Head. Clypeus 2.0 times as wide as maximum length, its anterior margin rounded. Face densely punctate, with a median weak convexity (Fig. 27B). MSL 1.0 times as long as BWM. Frons rugose. Gena and vertex punctate, rugulose on oceller area and posterior part of vertex. OOL slightly shorter than POL. OOL and POL longer than OD. Occipital carina complete, its lower end joined with hypostomal carina distant from mandibular base. Upper tooth of mandible slightly longer than lower tooth. Base of mandible flat. Antenna with 25 flagellomeres. FL III 6.7 times as long as maximum depth in lateral view.
Mesosoma. Upper side of collar with a weak median carina. Lateral part of pronotum largely smooth. Epomia short. Mesoscutum coriaceous, with a median longitudinal groove on the median lobe. Notaulus long, its posterior ends joined with each other posteriorly. Area along notaulus transversely striae. Scutellum irregularly rugose anteriorly, smooth posteriorly, with a lateral longitudinal carina except for apex. Mesopleuron longitudinally striate except for smooth speculum. Posterior transverse carina of mesosternum complete. Metapleuron minutely striate anteriorly, finely punctate posteriorly, with a complete juxtacoxal carina. Anterior and posterior transverse carinae of propodeum complete (Fig. 65H). Pleural carina complete. Lateral longitudinal carina of propodeum absent. Area basalis distinct (Fig. 65H). Area superomedia indistinct laterally (Fig. 65H). Anterior part of propodeum obliquely rugulose (Fig. 65H). Median part of propodeum longitudinally rugulose (Fig. 65H). Posterior part of propodeum transversely, obliquely, and irregularly rugulose. Length of fore wing 4.0 mm. Areolet absent (Fig. 27D). Vein 2m-cu of fore wing with two bullae (Fig. 27D). Nervellus inclivous, intercepted slightly behind middle (Fig. 27D). Hind femur 5.4 times as long as maximum depth in lateral view. Hind TS I: II: III: IV: V = 2.0: 0.95: 0.7: 0.4: 0.55. Tarsal claws simple.
Metasoma. T I 1.5 times as long as maximum width, longitudinally striate anteriorly, transversely striate posteriorly (Fig. 27E). Median dorsal carina of T I absent. Dorsolateral carina of T I complete. T II and T III covered with longitudinal striae except for smooth posterior area on posterior 0.4 (Fig. 27C). T IV to T VII finely and sparsely punctate. Ovipositor sheath 0.78 times as long as hind tibia. Ovipositor slightly decurved, with a nodus and ventral teeth (Fig. 66G).
Coloration (Figs 27A–E). Body (excluding wings and legs) black to blackish brown. Basal parts of antenna yellowish brown to reddish brown. Median parts of face and clypeus tinged with yellowish brown to reddish brown. Mandible yellow except for darkened apex. Palpi and tegula yellow. Lower part of collar, postero-dorsal corner of pronotum, anterior margin of mesoscutum, scutellum, postscutellum, anterior margin of mesopleuron, speculum, and mesosternum tinged with reddish brown. T I, T II, and posterior margin of T III reddish brown. T III more or less tinged with dark reddish brown. Membranous part of metasomal sternites whitish yellow. Ovipositor reddish brown. Wings hyaline, with a longitudinal clouded band just behind pterostigma and a small, clouded area subbasally. Veins yellowish brown to blackish brown. Pterostigma blackish brown. Legs reddish brown to yellowish brown. Base of tibiae white.
Male. Unknown.
Distribution. Japan (Miyakejima Is.).
Bionomics. Unknown.
Remarks. This species resembles Pa. saigusai Momoi, 1966 and Pa. yakushimensis sp. nov. in the body coloration but it can be distinguished by the above key.
description: Published as part of Watanabe, Kyohei, 2021, Taxonomic and Zoogeographic Study of the Japanese Phygadeuontinae (Hymenoptera, Ichneumonidae), with Descriptions of 17 New Species, pp. 55-136 in Bulletin of the Kanagawa Prefectural Museum (Natural Science) 50 on pages 86-88, DOI: 10.32225/bkpmnh.2021.50_55, http://zenodo.org/record/12774639