Physopelta

Key to species of Physopelta from Japan, Korea and Taiwan

1 Brachypterous morph (Figs. 2G, H, 5F)................................... Ph. (Neophysopelta) parviceps Blöte, 1931

- Macropterous morph (Figs. 1A–H, 2A–F, 5A–E, G, H)....................................................... 2

2 Calli and disc of pronotum orange (Fig. 5B); compound eye less than 0.3 times as wide as vertex in dorsal view; procoxal projection absent (Fig. 7B); profemur in male less than 2 times as wide as mesofemur at widest part of each; peritreme of scent gland ostiole protruding teardrop-shaped, protruding laterad (Figs. 8B, 10B); stem of paramere emarginate in basal part (Fig. 12B)......................................................................... Ph. (N.) lutaspidata sp. nov.

- Calli and disc of pronotum in various shades of brown (Fig. 5A, C–E, G, H); compound eye more than 0.3 times as wide as vertex in dorsal view; procoxal projection present, horn-shaped (Fig. 7A, C–F); profemur in male more than 2 times as wide as mesofemur at widest part of each; peritreme of scent gland ostiole crescent-shaped, protruding posterolaterad (Figs. 8A, C–F, 10A, C–F); stem of paramere not emarginate (Fig. 12A, C–F).................................................. 3

3 Body 3 times as long as maximum width across fore wings (Fig. 1A, B); abdominal sternite orange with black markings on sutures (Figs. 3A, 4A); anterior margins of fore wings nearly parallel to each other in rest; procoxal projection more than 1.5 times as long as its maximum width (Fig. 7A); outer margin of endophallic reservoir outgrowth not emarginate in apical part (Fig. 11A)............................................................. Ph. (N.) gutta gutta (Burmeister, 1834)

- Body at most 2.8 times as long as maximum width across fore wings (Figs. 1C–G, 2A–F); abdominal sternite brown (Figs. 3B, D–F, 4B, D–F); anterior margins of fore wings not parallel to each other in rest; procoxal projection less than 1.5 times as long as its maximum width (Fig. 7C–F); outer margin of endophallic reservoir outgrowth emarginate in apical part (Fig. 11C–F).. ................................................................................................... 4

4 Calli and disc of pronotum pale brown, with orange margins (Fig. 5H); abdominal sternites paler brown with dark brown lunulae on sutures (Figs. 3F, 4F); punctures of scutellum denser in central part than in marginal part; procoxal projection curved (Fig. 7F)............................................................... Ph. (N.) quadriguttata Bergroth, 1894

- Calli and disc of pronotum brown (Fig. 5C–E, G); abdominal sternites dark brown without contrasting lunulae on sutures (Figs. 3B, D, E, 4B, D, E); punctures of scutellum in density uniform throughout its surface; procoxal projection straight (Fig. 7C–E).............................................................................................. 5

5 Scutellum brown, with numerous pale callosities; membrane of fore wing pale brown (Figs. 5G, 6E); punctures of scutellum as large as punctures of pronotum; infolding of ventral rim of genital capsule more convex in middle part (Fig. 9E); crown of paramere at apex convex in posterior view; inner margins of ring sclerites not parallel to each other (Fig. 13D)....................................................................................... Ph. (N.) fusciscutellata sp. nov.

- Scutellum dark brown, without pale callosities; membrane of fore wing dark brown (Figs. 5C–E, 6C, D); punctures of scutellum smaller than punctures of pronotum; infolding of ventral rim of genital capsule less convex in middle part (Fig, 9C, D); crown of paramere at apex not convex in posterior view; inner margins of ring sclerites nearly parallel to each other (Fig. 13B, C).............................................................................. Ph. (N.) parviceps Blöte, 1931