Trichromothrips, Priesner, 1930

Li, Yajin, Li, Zhengyue & Zhang, Hongrui, 2019, Trichromothrips genus-group (Thysanoptera, Thripidae) from China, with descriptions of three new species and ten new records, Zootaxa 4544 (1), pp. 79-92: 80-81

publication ID

https://doi.org/10.11646/zootaxa.4544.1.3

publication LSID

lsid:zoobank.org:pub:FD830F37-624A-47F4-B299-3C4FAD758C13

DOI

http://doi.org/10.5281/zenodo.4607967

persistent identifier

http://treatment.plazi.org/id/473F87EB-EB77-FFF9-FF19-2907FA17FB31

treatment provided by

Plazi

scientific name

Trichromothrips
status

 

Key to Trichromothrips  species from China

(* indicates species placed in the key from descriptions)

1. Fore wing first vein with complete setae ( Fig. 21View FIGURES 13–21); abdominal tergites II–VIII with about 4–6 setae in a regular or irregular transverse row.............................................................................. moundi  sp.n.

-. Fore wing first vein with median long gap in setal row and two setae distally; abdominal tergites II–VIII without such setae. 2

2. Abdominal sternites with discal setae ( Fig. 41View FIGURES 40–50)......................................................... indicus 

-. Abdominal sternites without discal setae................................................................... 3

3. Fore wing banded with three dark areas, alternating with three light areas ( Figs 45, 46View FIGURES 40–50).............................. 4

-. Fore wing not banded, uniformly dark or pale at apex ( Figs 25, 29View FIGURES 22–30).............................................. 5

4. Base of fore wing shaded including anterior margin ( Fig. 44View FIGURES 40–50); antennal segment III with apical 2/3 brown, IV brown on apical 4/5, V mainly brown except a small basal area ( Fig. 48View FIGURES 40–50)................................................... falcus 

-. Base of fore wing not shaded along anterior margin ( Fig. 45View FIGURES 40–50); antennal segments III–V yellow at base and brown on apical half ( Fig. 49View FIGURES 40–50)..................................................................................... trifasciatus 

5. Body yellow except head ( Figs 36, 37View FIGURES 31–39); pronotum ( Figs 37, 38View FIGURES 31–39) without dark stripe (except antidesmae  ); abdominal tergites never brown or with brown areas laterally; abdominal sternite II with two pairs of posteromarginal setae................ 6

-. Body bicolored, at least pronotum with dark stripe ( Fig. 22View FIGURES 22–30); abdominal tergites brown at least on segments VII–IX ( Figs 4, 6View FIGURES 1–12); abdominal sternite II with three pairs of posteromarginal setae................................................. 11

6. Head strongly constricted behind compound eyes ( Fig. 40View FIGURES 40–50).................................................. albus 

-. Head not strongly constricted behind compound eyes ( Fig. 27View FIGURES 22–30).................................................. 7

7. Abdominal tergites with brown areas laterally ( Figs 4, 6, 9View FIGURES 1–12).................................................... 8

-. Abdominal tergites almost yellowish white ( Figs 3, 10View FIGURES 1–12)........................................................ 9

8. Abdominal tergites II–VIII brown medially ( Fig. 9View FIGURES 1–12).................................................... crispator 

-. Abdominal tergites V–VI with a coarse-grained dark area on each side.................................... xanthius *

9. Head and pronotum with dark stripe laterally ( Fig. 27View FIGURES 22–30)........................................... antidesmae  sp.n.

-. Head and pronotum without dark stripe laterally............................................................ 10

10. Head pale brown between compound eyes; postocular III setae minute metanotal campaniform sensilla absent.... assamensis 

-. Head fully brown; postocular setae well-developed; metanotal campaniform sensilla present..................... fragilis

11. Mesonotum with median and submedian setae near posterior margin ( Fig. 27View FIGURES 22–30).................................... 12

-. Mesonotum with median setae in front of submedian setae ( Fig. 24View FIGURES 22–30)............................................ 13

12. Abdominal sternite VII with posteromarginal setae arising at posterior margin......................... trachelospermi *

-. Abdominal sternite VII with posteromarginal setae arising in front of posterior margin........................ taiwanus *

13. Head and pronotum with dark lateral margins; male with 6–8 pore plates on abdominal sternites III–VII........... priesneri

-. Head dark brown or with small median area slightly paler along posterior margin dorsally, pronotum with dark lateral margins; male with 5 pore plates or with numerous irregularly scattered circular pore plates on abdominal sternites III–VII ( guizhouensis  male unknown).................................................................................... 14

14. Head uniformly dark brown; pronotum with dark brown lateral stripes, median triangular pale area not reaching anterior margin ( Fig. 22View FIGURES 22–30)............................................................................ guizhouensis  sp.n.

-. Head dark brown, often with a small median area slightly paler along posterior margin dorsally; pronotum with dark brown lateral stripes, median triangular pale area reaching anterior margin ( Fig. 36View FIGURES 31–39)....................................... 15

15. Abdominal tergite VIII with two small setae in front of posteroangular setae, tergite IX without CPS; male sternites III–VII with numerous irregularly scattered circular pore plates.................................................. elegans 

-. Abdominal tergite VIII with one small setae in front of posteroangular setae, tergite IX with one pair of CPS; male sternites III–VII with five pore plates....................................................................... formosus