Taxonomic and Zoogeographic Study of the Japanese Phygadeuontinae (Hymenoptera, Ichneumonidae), with Descriptions of 17 New Species Author Watanabe, Kyohei Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa 250 – 0031, Japan watanabe-k@nh‛kanagawa-museum‛jp text Bulletin of the Kanagawa Prefectural Museum (Natural Science) 2021 2021-03-30 50 55 136 https://doi.org/10.32225/bkpmnh.2021.50_55 journal article 300009 10.32225/bkpmnh.2021.50_55 70224806-ca38-47ca-bd8a-63da3ac532f9 2189-6720 12774639 DD695C62-DC2F-4D32-8D33-52648E28661D Paraphylax yambarensis sp. nov. (New SJN: Okinawa-suji-togari-himebachi) ( Figs 29A–G , 65J , 66I ) Etymology . The specific name is from the local locality name, Yambaru, where is the northern area of Okinawajima Island and type locality of this species. Type series . Holotype : KPM-NK 55085 , F, JAPAN , Okinawa Pref. , Okinawajima Is. , Kunigami Vil., Aha , 21. IV. 2016 , K. Watanabe leg. Description . Female (n=1). Body length 4.2 mm . Body polished, covered with silver setae. Head. Clypeus 1.9 times as wide as maximum length, its anterior margin rounded. Face densely punctate, with a median slight convexity. MSL 0.9 times as long as BWM. Frons transversely rugose, the interspace of rugae partly punctate. Gena punctate. Vertex punctate, partly rugulose on oceller area and posterior part. OOL 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 23 flagellomeres. FL III 6.7 times as long as maximum depth in lateral view. Mesosoma. Upper side of collar with an indistinct median carina. Lateral part of pronotum largely smooth ( Fig. 29E ). Epomia short and indistinct. Mesoscutum largely smooth, with a median longitudinal groove on the anterior half of median lobe ( Fig. 29D ). Notaulus long, its posterior ends closed each other.Area along notaulus partly and narrowly transversely striae. Scutellum largely smooth, without a lateral longitudinal carina except for base. Mesopleuron largely smooth. Posterior transverse carina of mesosternum complete. Metapleuron sparsely and finely punctate, with a complete juxtacoxal carina. Anterior and posterior transverse carinae of propodeum complete ( Fig. 65J ). Pleural carina complete. Lateral longitudinal carina of propodeum absent. Area basalis distinct ( Fig. 65J ). Area superomedia indistinct laterally ( Fig. 65J ). Anterior part of propodeum largely smooth. Median and posterior parts of propodeum transversely, obliquely, and irregularly rugulose. Length of fore wing 3.6 mm . Areolet absent ( Fig. 29F ). Vein 2m-cu of fore wing with two bullae. Nervellus inclivous, intercepted slightly behind middle. Hind femur 5.3 times as long as maximum depth in lateral view. Hind TS I: II: III: IV: V = 2.0: 0.9: 0.65: 0.35: 0.5. Tarsal claws simple. Fig. 28. Paraphylax yakushimensis sp. nov. , KPM-NK 55081, holotype, female ― A, lateral habitus; B, head, frontal view; C, head, mesosoma, and metasoma, dorsal view; D, mesoscutum and scutellum, dorsal view; E, propodeum, dorsal view; F, fore wing; G, metasoma, dorsal view. Fig. 29. Paraphylax yambarensis sp. nov. , KPM-NK 55085, holotype, female ― A, lateral habitus; B, head, frontal view; C, head, mesosoma, and metasoma, dorsal view; D, head, mesoscutum and scutellum, dorsal view; E, head and mesosoma, lateral view; F, fore wing; G, T II and T III, dorsal view. Metasoma. T I 1.7 times as long as maximum width, coriaceous anteriorly, smooth posteriorly. Median dorsal carina of T I absent. Dorsolateral carina of T I complete. T II and T III covered with longitudinal striae and fine and dense punctures except for smooth posterior area on posterior 0.4 ( Fig. 29G ). T IV to T VII finely and sparsely punctate laterally, smooth medially. Ovipositor sheath 0.75 times as long as hind tibia. Ovipositor straight, with a weak nodus and ventral teeth ( Fig. 66I ). Coloration ( Figs 29A–G ). Body (excluding wings and legs) black to blackish brown. Basal parts of antenna yellowish brown to reddish brown. Anterior part of clypeus tinged with reddish brown. Mandible yellow except for darkened apex. Palpi and tegula yellow. Pronotum reddish brown to dark yellowish brown. Posterior margins of T I to T VI narrowly tinged with reddish brown. Membranous part of metasomal sternites whitish yellow. Ovipositor reddish brown. Wings hyaline, with obtuse clouded areas. Veins yellowish brown to blackish brown. Pterostigma blackish brown. Fore and mid coxae, trochanters, and trochantelli yellowish brown. Fore and mid femora, tibiae, and tarsi reddish brown. Hind coxa, femur, apical part of tibia, and tarsus dark brown to blackish brown. Hind trochanter, trochantellus, and base of tibia whitish yellow to yellowish brown. Tibial spurs whitish yellow. Male. Unknown. Distribution . Japan (Okinawajima Is.). Bionomics . Unknown. Remarks . This species resembles Pa. elegans sp. nov. in the T I without longitudinal striae but it can be distinguished by the above key.