Mycterothrips, Trybom, 1910

Li, Yajin & Zhang, Hongrui, 2022, Five new species and two new records of Mycterothrips (Thysanoptera: Thripidae) from Southern China, Zootaxa 5214 (4), pp. 544-566 : 544-566

Key to species of Mycterothrips (female) from China

(* indicates species placed in the key from descriptions)

1. Ocellar setae I absent ( Fig. 7 )........................................................................... 2

-. Ocellar setae I present ( Figs 12 , 19 , 38 )................................................................... 3

2. Antennal segment II with a mid-dorsal seta present below CPS ( Fig. 6 ); abdominal tergum II with three lateral marginal setae; body uniformly brown...................................................................... photiniae sp.n.

-. Antennal segment II without a mid-dorsal seta ( Fig. 28 ); abdominal tergum II with four lateral marginal setae; body pale.................................................................................................. grandis

3. At least abdominal sternite VI with discal setae ( Fig. 21 )...................................................... 4

-. Abdominal sternites without discal setae................................................................... 7

4. Abdominal tergites II–VIII with numerous ciliate microtrichia on lines of sculpture................................. 5

-. Abdominal tergites II–VIII without ciliate microtrichia on lines of sculpture....................................... 6

5. Abdominal sternites III–VII with 7–12 discal setae................................................ gongshanensis

-. Abdominal sternites IV–V with 0–2 discal setae, sternite VI with 1–2 discal setae, III and VII without discal setae ( Fig. 21 )..................................................................................... daweishanensis sp.n.

6. Fore wings banded; abdominal segments bicoloured, tergum VIII and segments IX–X dark brown, terga III–VII with median brown markings; sterna II–VII with 1–10 pairs of discal setae.......................................... setiventris *

-. Fore wings not banded; abdominal segments yellow; sterna III–VII with one pair of discal setae................. auratus *

7. Fore wings with two dark bands at apex and middle.................................................... fasciatus

-. Fore wings not banded ( Figs 5 , 41 )....................................................................... 8

8. Abdominal tergites II–VII and laterotergites with numerous ciliate microtrichia along lines of sculpture laterally, microtrichia uniform and regular on all segments...................................................................... 9

-. Abdominal tergites II–VII and laterotergites without numerous ciliate microtrichia along lines of sculpture, when present microtrichia are either small and dentate, or if ciliate then irregular and usually on posterior segments only............. 10

9. Antennal segment VI longer than IV, III pale at basal third, IV often pale at base.............................. glycines

-. Antennal segment VI shorter than IV, III not pale at basal third, IV usually pale at base...................... nilgiriensis

10. Abdominal tergite II with three lateral marginal setae........................................................ 11

-. Abdominal tergite II with four lateral marginal setae........................................................ 13

11. Postocular setae III distinctly stouter and longer than other setae, more than half length of ocellar setae III ( Fig. 33 ).... latus

-. Postocular setae III not as above, not distinctly stouter and longer than other setae................................. 12

12. Body yellow to brown ( Fig. 36 ); pronotum smooth medially, and with weak transverse striations ( Fig. 38 ); abdominal tergites without ciliate microtrichia nor irregularly dentate on posterior margin of laterotergites ( Fig. 39 )............... hani sp.n.

-. Body uniformly brown ( Fig. 10 ); pronotum smooth ( Fig. 12 ); abdominal tergites without ciliate microtrichia on lines of sculpture, but irregularly dentate on posterior margin of laterotergites ( Fig. 13 )..................... cangshanensis sp.n.

13. Mesonotum without CPS anteromedially................................................................. 14

-. Mesonotum with CPS anteromedially.................................................................... 15

14. Body yellow; abdominal tergite IX without CPS.......................................................... ricini

-. Body uniformly brown to dark brown; abdominal tergite IX with two pairs of CPS......................... consociatus

15. Abdominal tergite IX with only posterior pair of CPS................................................... araliae

-. Abdominal tergite IX with two pairs of CPS............................................................... 16

16. Fore wings uniformly brown; pronotum with posteroangular inner setae longer than outer....................... yelangi

-. Fore wings brown, with base and apex pale; pronotum with posteroangular inner setae subequal to outer............... 17

17. Abdominal tergites without ciliate microtrichia on lines of sculpture, posterior margins with microtrichia laterally; metascutum with median pair of setae behind anterior margin................................................ caudibrunneus *

-. Abdominal tergites without ciliate microtrichia on lines of sculpture, posterior margin of tergites V–VII without microtrichia laterally ( Fig. 3 ); metascutum with median pair of setae situated near anterior margin ( Fig. 2 )................ bicolor sp.n.

Figures

FIGURES 1–9. Mycterothrips bicolor sp.n. 1–5: (1) Female; (2) Head and thorax; (3) Abdominal tergites VII–X; (4) Antennae; (5) Fore wing. M. photiniae sp. n. 6–9: (6) Antennae; (7) Head and thorax; (8) Female; (9) Abdominal tergites VII–X.

FIGURES 10–17. M. cangshanensis sp.n. (10) Female. (11) Male. (12) Head and thorax. (13) Abdominal tergites VI–X of female. (14) Abdominal tergites VII–X of male. (15) Antenna of female. (16) Fore wing. (17) Hypomere.

FIGURES 18–24. M. daweishanensis sp.n. (18) Female. (19) Head and thorax. (20) Antenna of female. (21) Abdominal sternites III–VII of female. (22) Abdominal tergites VII–X of female. (23) Abdominal tergites I–IV of female. (24) Fore wing.

FIGURES 36–42. M. hani sp.n. (36) Female. (37) Male. (38) Head and thorax. (39) Abdominal tergites VII–X of female. (40) Abdominal tergites V–IX of male. (41) Fore wing. (42) Antennae of female.

FIGURES 25–35. M. grandis 25–31: (25) Female; (26) Body of male; (27) Antenna of male; (28) Antenna of female; (29) Head and thorax; (30) Abdominal tergites VIII–X of male; (31) Abdominal tergites VII–X of female. M. latus 32–35: (32) Antennae of female; (33) Head and thorax; (34) Abdominal tergites VIII–X of male; (35) Male.