Pygophora unicolor (Stein, 1920)

(Figs. 10a–d, 12)

Coenosia unicolor Stein, 1920: 64 . Holotype female ( Zoological Museum, Amsterdam, Netherlands). Type locality: Java, Indonesia.

Redescription. Male. Differing from P. boninensis as follows: Head. Fronto-orbital plate blackish brown; face and parafacial silvery gray; gena brown; frontal vitta black. Antenna blackish yellow except 3rd aristomere brown; palpus and labella blackish yellow. Vertex approximately 1/5 of head width; first flagellomere 4.5–5.0 times as long as pedicel. Thorax. Scutum, postpronotum, scutellum, and pleura black in ground color, with blackish gray pruinosity; anterior and posterior spiracles blackish yellow. Wing. Upper and lower calypters dark yellow. Legs. All coxae blackish gray; all trochanters dark yellow; all femora black on basal 1/2 to 3/4 and creamy yellow apically. Fore tibia with 2–3 anterodorsal setae; mid tibia with 2–3 posterodorsal setae; hind tibia with 2 anterodorsal and 2 posterodorsal setae. Abdomen. Yellow in ground color with black pruinosity. Abdominal tergite 5 without dorsal keel; sternite 5 broad, bifurcated posteriorly with several setae at middle and apical part in ventral view. Male terminalia. Surstylus slender and hook-like apically with many setae in lateral view, broad and nearly triangular in dorsal view; cerci broad and nearly rectangular with many setae in dorsal view; postgonite slender and curved dorsally at middle; phallus curved dorsally at middle, hook-like apically with large membranous areas laterally. Female. Differing from male as follows: first flagellomere 2.7–3.0 times as long as pedicel; upper and lower calypters brownish yellow; hind tibia with 1 anteroventral seta. Female terminalia. Very similar to P. boninensis . Body length. 4.0– 5.7 mm.

Material examined. JAPAN: 2 females, Onoaida, Yakushima town, Yakushima Is., Kumage-gun, Kagoshima pref. [N 30°14’39” / E 130°33’30”], 7–9. III. 2013 (BLKU) ; 4 males and 3 females, Gusuku, Sumiyo town, Amami city, Kagoshima pref. [N 28°17’50” / E 129°27’31”], 1–5. VII. 2013 (BLKU) ; 2 males and 1 female, Sedake, Nago city, Okinawa pref. [N 26°33’26” / E 128°3’83”], 24–27. VI. 2013 (BLKU) ; 1 female, Hama, Kunigami Vil., Kunigami-gun, Okinawa pref. [N 26°42’32” / E 128°10’54”], 22. VI. 2013 (BLKU) .

Distribution. Japan (Kyushu, Ryukyu), Taiwan, Sri Lanka, Malaysia, Indonesia.

Bionomics. This species was found and collected by the first author in a forest.

Remarks. This species is easily distinguishable from other species by having black body color. This is the first record of the species from Japan.