Aphantorhaphopsis, Townsend, 1926

Key to East Asian and Oriental species of Aphantorhaphopsis

1 Abdomen shining black in ground color ( Figs 86–87 View Figs 86–91 ); abdominal tergite 3 without median marginal setae. .... 2

– Abdomen yellowish, brownish or blackish in ground color ( Figs 88–91 View Figs 86–91 , 95); abdominal tergite 3 with a pair of median marginal setae. ......................................... 3

2 R 1 setulose dorsally on entire length. .......................... ............................................. S. ( A.) expleta sp. nov.

– R 1 setulose dorsally on apical half. .............................. .......................... S. ( A.) perispoliata ( Mesnil, 1953)

3 Labella pad-like ( Figs 88, 90 View Figs 86–91 , 98). ........................... 4

– Labella elongate, 0.8–1.0 times as long as prementum (Figs 94–96). .......................................................... 15

4 R 1 setulose dorsally on apical half. ........................... 5

– R 1 bare or with 1–3 setulae dorsally on apical portion. ............................................................................... 7

5 Three postsutural dorsocentral setae. ....................... 6

– Four postsutural dorsocentral setae. ............................ ................................ S. ( A.) hongkongensis sp. nov.

6 Abdomen shining light brown in ground color, with whitish pruinosity on anterior margin of each tergite; gena wide, approximately 0.25 of eye height (Fig. 92); ultimate section of M 4 0.8–1.0 times as long as crossvein dm-m. ............. S. ( A.) samarensis ( Villeneuve, 1921) View in CoL

– Abdomen yellow in ground color, almost without pruinosity, posterior half of tergites 3–5 black; gena narrow, approximately 0.2 of eye height; ultimate section of M 4 1.3 times as long as crossvein dm-m. ................ ........................................ S. ( A.) seminigra sp. nov.

7 Three postsutural dorsocentral setae. ....................... 8

– Four postsutural dorsocentral setae. ....................... 14

8 Vertex very narrow, approximately 0.17 of head width. ............. S. ( A.) angustifrons ( Malloch, 1930) View in CoL

– Vertex 0.30–0.45 of head width. ............................... 9

9 Abdomen orange or light yellow in ground color, without pruinosity. .................................................. 10

– Abdomen varied in ground color, with pruinosity. ... 11

10 Fronto-orbital plate with yellow pruinosity; frontal vitta orange; vertex approximately 0.32 of head width; gena 0.17–0.20 of eye height (Fig. 93). ............................... ............................. S. ( A.) selangor ( Malloch, 1930) View in CoL

– Fronto-orbital plate with brownish pruinosity; frontal vitta pale brown; vertex 0.33–0.37 of head width; gena 0.20–0.23 of eye height ( Fig. 90 View Figs 86–91 ). ............................... ................................. S. ( A.) laboriosa Mesnil, 1957 View in CoL

11 Abdominal tergites 4–5 entirely blackish, with whitish gray pruinosity on anterior part ( Fig. 89 View Figs 86–91 ). ................... ......................................... S. ( A.) kanmiyai sp. nov.

– Abdominal tergites 4–5 brownish or yellowish in ground color, with blackish longitudinal vitta or bands on posterior 1/2–4/5 ( Fig. 88 View Figs 86–91 ). ................................ 12

12 Fronto-orbital plate with brownish pruinosity; frontal vitta reddish brown; thoracic dorsum slightly dark gray. ..................................... S. ( A.) coactilis sp. nov.

– Fronto-orbital plate with yellowish pruinosity; frontal vitta orange or light yellow; thoracic dorsum gray. ....... 13

13 Male postabdomen with surstylus nearly straight and tapered to apex in lateral view ( Fig. 63 View Figs 63–66 ). ..................... ......................... S. ( A.) orientalis ( Townsend, 1926) View in CoL

– Surstylus thickened and slightly curved dorsally on apical 1/ 5 in lateral view ( Fig. 25 View Figs 25–29 ). ............................. ..................................... S. ( A.) matsumotoi sp. nov.

14 Abdomen blackish in ground color; gena approximately 0.25 of eye height; R 1 bare. .................................. ............................ S. ( A.) laticornis ( Malloch, 1930) View in CoL

– Abdomen gray in ground color; gena approximately 0.18 of eye height (Fig. 97); R 1 with 1–3 setae dorsally on apical portion. ............ S. ( A.) apicisetosa sp. nov.

15 Three postsutural dorsocentral setae; R 1 bare. ........ 16

– Four postsutural dorsocentral setae; R 1 bare or setulose dorsally on apical half. ........................................... 17

16 Prementum subequal in length to eye height; labella slightly shorter than prementum (Fig. 95). .................. ............................. S. ( A.) crassulata ( Mesnil, 1953) View in CoL

– Prementum long, approximately twice as long as eye height; labella subequal in length to prementum (Fig. 96). ................................... S. ( A.) nepalensis sp. nov.

17 R 1 setulose dorsally on apical half. .......................................................................... S. ( A.) curvata sp. nov.

– R 1 bare. ................................................................... 18

18 Labella elongate, subequal in length to prementum; gena narrow, approximately 0.15 of eye height (Fig. 94). ............................. S. ( A.) alticola ( Mesnil, 1953) View in CoL

– Labella approximately 0.8 times as long as prementum; gena wide, approximately 0.2 of eye height. ...................................................... S. ( A.) curta sp. nov.