Key to species of Anaphothrips in China

1. Antennae clearly 8-segmented (Figs 25–27)................................................................ 2

-. Antennae 9 segmented, segment VI with a complete suture (Figs 28–30)......................................... 7

2. Female distinctly bicolored, mainly dark brown, antennal segments III–IV, abdominal segments III–V (or VI) yellow, meso- and metanotum sometimes yellow; male color various........................................ sudanensis Trybom

-. Female body brown or yellow, never clearly bicoloured...................................................... 3

3. Metanotum campaniform sensilla present (Fig. 20)...........................................................4

-. Metanotum campaniform sensilla absent (Fig. 21)........................................................... 5

4. Body mainly yellow; tergites III–VIII median setae S1, S2 and campaniform sensilla almost arising in a transverse line; male sternites III–VIII with C-shaped pore plate (Fig. 48).......................... beijingensis Mirab-balou, Chen & Tong

-. Body dark brown; tergites III–VIII median setae S1 and S2 anterior to campaniform sensilla; male sternites III–VII each with a C-shaped pore plate.................................................................... incertus (Girault)

5. Body uniformly dark brown; antennal segment I dark brown (Fig. 25); abdominal tergites and sternites with polygonal reticulation (Fig. 36); tergite VIII posterior margin nearly without comb (Fig. 42); micropterous............. atroapterus Priesner

-. Body yellow, pale brown or mainly brown, never uniformly dark brown; antennal segment I yellow; abdominal tergites and sternites without polygonal reticulation; tergite VIII posterior margin with complete comb; macropterous or micropterous.. 6

6. Body yellow; macroptera with fore wing veinal setae more dense, first vein with 8 basal setae and 4 distal setae, second vein with about 11 setae.......................................................................... floralis Karny

-. Body mainly brown; macroptera with fore wing veinal setae sparser, first vein with 11 setae irregularly spaced, second vein with 8 setae (Fig. 32)..................................................................... nonporous sp. n.

7. Tergite VIII posterior margin with tooth-shaped microtrichia (Fig. 47)........................................... 8

-. Tergite VIII posterior margin with comb of long microtrichia (Fig. 46)........................................... 9

8. Female body brown; male sternal pore plates only slightly wider than distance between posteromarginal setae S1......................................................................................... dentatus Cui, Xi & Wang

-. Female body yellow; male sternites III–VII each with a large C-shaped pore plate (Fig. 51)............ qinghaiensis sp. n.

9. Metanotum without campaniform sensilla (Fig. 22)................................................ oroqeni sp. n.

-. Metanotum with campaniform sensilla present............................................................. 10

10. Body yellow; antennal segment I yellowish, segments II–IV yellowish brown; fore wing veinal setae minute.................................................................................................. obscurus (Müller)

-. Body brown; antennae uniformly brown (Fig. 29); fore wing veinal setae thick (Fig. 35)............. populi Zhang & Tong