Adraneothrips

Dang, Li-Hong, Mound, Laurence A. & Qiao, Ge-Xia, 2013, Leaf-litter thrips of the genus Adraneothrips from Asia and Australia (Thysanoptera, Phlaeothripinae), Zootaxa 3716 (1), pp. 1-21 : 5-6

Key to Adraneothrips from eastern Asia and Australia

[* included from published descriptions]

1. Wings absent; antennal segments III and IV each with 2 sensoria...................................... madrasensis

-. Wings present; segment IV with 3 or 4 sensoria (except possibly bambusae )...................................... 2

2. Fore wings without duplicated cilia....................................................................... 3

-. Fore wings with duplicated cilia.......................................................................... 8

3. Body more or less uniformly brown ( Figs 4, 9 ).............................................................. 4

-. Body distinctly bicoloured yellow and brown ( Figs 6–8 , 11, 12, 15 ).............................................. 5

4. Mid and hind femora brown ( Fig. 9 ); antennal segment III with 3 sensoria................................. nilgiriensis

-. Mid and hind femora as yellow as tibiae ( Fig. 4 ); antennal segment III with 2 sensoria.................... darwini sp. n.

5. Body largely yellow in contrast to brown tube...................................................... bambusae *

-. At least head uniformly brown........................................................................... 6

6. Abdominal segments I–III, VI–VII, IX and tube uniformly yellow, in contrast to brown head, pterothorax, abdominal segments IV–V and VIII ( Fig. 8 ) [male sternite VIII with pair of pore plates ( Figs 35 , 65 ].......................... makilingensis

-. At least abdominal segment III and tube brown.............................................................. 7

7. Abdominal segments VII–IX dark brown ( Fig. 15 )............................................. yunnanensis sp. n.

-. Abdominal segments VII–IX paler, at least VIII yellow ( Figs 11, 12 )....................................... russatus

8. Body uniformly yellow.......................................................................... elegans *

-. Body uniformly brown or bicoloured yellow and brown....................................................... 9

9. Body more or less uniformly brown ( Figs 2, 5 )............................................................. 10

-. Body distinctly bicoloured yellow and brown ( Figs 3 , 13 )..................................................... 17

10. Compound eyes unusually long dorsally, more than 0.5 of head length...................................... laticeps *

-. Compound eyes dorsal length no more than 0.45 of head length.............................................. 11

11. Antennal segment III with 2 sensoria, IV with 4....................................................... setosus *

-. Antennal segment III with 3 sensoria, IV with 3 or 4......................................................... 12

12. Antennal segment IV with 3 sensoria.............................................................. disjunctus

-. Antennal segment IV with 4 sensoria................................................................... 13

13. Pronotal anteromarginal setae pointed at apex, shorter than anteroangulars; fore wing sub-basal setae S3 sharply pointed at apex [femora brown, tibiae brown with apex yellow; postocular setae much shorter than half length of eye; male sternite VIII with pair of pore plates laterally].................................................................. infirmus *

-. Pronotal anteromarginal setae expanded at apex, almost as long as anteroangulars; fore wing sub-basal setae S3 capitate or blunt at apex....................................................................................... 14

14. Femora “golden yellow with brownish shade”; “fore and hind tibiae yellow, mid tibae yellow with shaded brown”...................................................................................................... okajimai *

-. At least fore and mid femora brown ( Figs 1, 2 , 14 ); all tibiae yellow............................................ 15

15. Hind femora brown with basal 1/3 yellow ( Fig. 2 ), fore and mid femora brown with extreme apex yellow; male sternite VIII with large entire pore plate ( Fig. 34 )............................................................... chinensis

-. Femora brown; male sternite VIII with or without pair of pore plates............................................ 16

16. Pronotum with notopleural sutures complete; pronotum medially without sculpture; male abdominal sternite VIII without pore plate ( Fig. 33 )................................................................................. braccatus

-. Pronotum with notopleural sutures incomplete; pronotum medially with sculpture lines; male abdominal sternite VIII with pair of pore plates................................................................................. waui sp. n.

17. Antennal segment III with 3 sensoria.................................................................... 18

-. Antennal segment III with 2 sensoria..................................................................... 19

18. Antennal segment III yellow at base with apex shaded brown ( Fig. 13 ); segment IV brown with base yellow; campaniform sen- silla on pelta at least 12 times their diameter apart..................................................... stannardi

-. Antennal segment III yellow with basal third weakly shaded ( Fig. 3 ); segment IV uniformly brown; campaniform sensilla on pelta scarcely 4 times their diameter apart ( Fig. 27 )................................................... coloratus

19. Antennal segment IV with 4 sensoria..................................................................... 20

-. Antennal segment IV with 3 sensoria..................................................................... 21

20. Head uniformly brown ( Fig. 6 ); abdominal segments I, VII and IX brown; antennal segment VI largely yellow with apical third brown; fore wing sub-basal setae S3 expanded at apex ( Fig. 52 ); postocular setae about as long as half length of eye ( Fig. 49 )............................................................................................. hani sp. n.

-. Head bicoloured, yellow but brownish laterally; abdominal segments I, VII and IX largely yellow; antennal segment VI brown with base yellow; fore wing sub-basal setae S3 pointed at apex; postocular setae shorter than half length of eye..... inflavus *

21. Antennae elongated, segment III about 4 times as long as wide; antennal segments III–IV almost equally light brown................................................................................................... antennatus

-. Antennal segment III about 2.5 times as long as wide; antennal segment III yellow, IV dark brown with basal third yellow. 22

22. Pronotum brown ( Fig. 10 ); abdominal segments II and VI yellow, the rest brown............................... pteris

-. Pronotum yellow ( Fig. 7 ); abdominal segments I–II, V–VI and VIII yellow.................................. limpidus

Figures

FIGURES 1 – 9. Adraneothrips adult colour patterns. (1) braccatus; (2) chinensis; (3) coloratus; (4) darwini; (5) disjunctus; (6) hani; (7) limpidus; (8) makilingensis; (9) nilgiriensis.

FIGURES 10 – 15. Adraneothrips adult colour patterns. (10) pteris; (11) russatus (Australia); (12) russatus (China); (13) stannardi; (14) waui; (15) yunnanensis.

FIGURES 33 – 39. Adraneothrips species. Male sternite VIII 33 – 36: (33) braccatus; (34) chinensis; (35) makilingensis; (36) russatus. (37) limpidus pronotum. Chaetotaxy of tergite IX 38 – 39: (38) hani male; (39) limpidus female.

FIGURES 58 – 65. Adraneothrips makilingensis. Female: (58) dorsal view of head and pronotum; (59) antenna; (60) dorsal view of abdominal tergites IX – X; (62) dorsal view of mesonotum & metanotum; (63) mesopraesternum; (64) base of forewing. Male: (61) abdominal tergites IX – X; (65) abdominal sternum VIII pore plate.

FIGURES 26 – 32. Adraneothrips metanota and tergites. (26) braccatus; (27) coloratus; (28) darwini; (29) russatus; (30) hani; (31) waui; (32) yunnanensis.

FIGURES 48 – 57. Adraneothrips hani sp. n. Female: (48) antenna; (49) dorsal view of head and pronotum; (50) dorsal view of mesonotum & metanotum; (51) mesopraesternum; (52) base of forewing; (53) pelta; (56) abdominal tergite V; (57) dorsal view of abdominal tergites IX – X. Male: (54) abdominal tergites IX – X; (55) abdominal sternum VIII pore plate.