Heterothrips
Creators: name: Pereyra, Veronica
name: Cavalleri, Adriano
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Heterothripidae
Heterothrips

description: Key to females of Heterothrips species from Brazil
1. Abdominal tergites, at least laterally, with posteromarginal craspeda bearing a fringe of microtrichia (Figs 2, 17, 19)....... 2
-. Abdominal tergites without craspeda, but with a fringe of independent posteromarginal microtrichia (Fig. 1)............. 6
2. Abdominal tergal craspeda lobed and interrupted medially on II–VI, but with independent microtrichia medially (Figs 17, 19).................................................................................................... 3
-. Abdominal tergal craspeda entire and continuous across II–VI (Figs 44–45)....................................... 5
3. Antennal segment III with pedicel elongate, about 2.5 times as long as wide (Fig. 15–16); abdominal sternites III–VII with 2 or 3 pairs of discal setae (Fig. 18).............................................................. pedicellatus sp.n.
-. Antennal segment III with pedicel less than 2.0 times longer than wide; abdominal sternites III–VII without discal setae.... 4
4. Fore wing uniformly brown or strongly shaded (Fig. 21); posteromarginal craspeda not lobed nor bearing short teeth (Figs 22– 23); all femora extensively pale.............................................................. savanicus sp.n.
-. Fore wing brown but with a sub-basal pale area (Fig. 29); posteromarginal craspeda with irregular lobes bearing short teeth (Figs 31–32); all femora largely brown.......................................................... obscurus sp.n.
5. Median area of abdominal tergites with few lines of reticulation bearing sparse and fine microtrichia (Figs 44, 47); mid and hind tibiae mostly dark...................................................................... australis sp.n.
-. Median area of abdominal tergites without reticulation or microtrichia (Fig. 45); mid and hind tibiae pale (Fig. 41) marginatus
6. Abdominal tergite VI posteromarginal fringe of microtrichia widely interrupted (Fig. 52)....................... flavitibia
-. Abdominal tergite VI posteromarginal fringe continuous....................................................... 7
7. Body uniformly brown, abdomen sometimes paler in teneral specimens; antennal segment I brown; ocellar setae I absent or present.............................................................................................. 8
-. Body coloration different, largely yellow or sharply bicolored; antennal segment I pale or slightly shaded brown; ocellar setae I always absent...................................................................................... 17
8. Antennal segment III basal stem divided into 5 or 6 parts (Fig. 53); head about as wide as long............... angusticeps
-. Antennal segment III basal stem not so divided; head at least 1.3 times as wide as long.............................. 9
9. Fore wing largely pale, usually with a small dark area at extreme apex........................................... 10
-. Fore wing largely dark or strongly shaded, usually with a sub-basal pale area..................................... 11
10. Antennal segments III–IV with two rows of sensorial pores (Fig. 57); metapleura with several rows of fine microtrichia................................................................................................... peixotoa
-. Antennal segments III–IV with a single row of sensorial pores (Figs 62–63); metapleura without rows of microtrichia.......
........................................................................................ albipennis sp.n. 11. Fore wing uniformly dark (Fig. 70); postocular setal pair III longer than posterior ocellus (Fig. 69); antennal segments III–IV pale (Fig. 72)................................................................................... spinosus
-. Fore wing with a sub-basal pale area; postocular setal pair III not longer than posterior ocellus; antennal segments III–IV color different, IV slightly shaded............................................................................ 12
12. Abdominal sternites III–VII without discal setae (Fig. 79); ocellar setae I absent...................... paulistarum sp.n.
-. Abdominal sternites III–VII with about 3 pairs of discal setae; ocellar setae I present............................... 13
13. Pronotum smooth, without conspicuous sculpture (Fig. 85); abdominal tergite IX about 1.5 times as long as X (Fig. 82)................................................................................................... varitibia
-. Pronotum clearly sculptured; abdominal tergites IX and X subequal in length..................................... 14
14. Antennal segment IV less than 1.5 times as long as wide; pronotum with reticulate sculpture (Fig. 87) sanctaecatharinae sp.n.
-. Antennal segment IV more than 1.8 times as long as wide; pronotum closely striate................................ 15
15. Antennal segment III about 2.5 times as long as wide; antennal segment V yellow in basal third (Fig. 90)............ condei
-. Antennal segment III more than 2.7 times as long as wide; antennal segment V uniformly brown..................... 16
16. Antennal segment IV extensively brown (Fig. 94); mid and hind tibiae largely brown with base and apical third yellow or only apical third yellow (Fig. 93); abdominal sternites III–VI with discal setae arising in a continuous row across median area................................................................................................... striatus
-. Antennal segment III–IV pale with dark apex (Fig. 98); mid and hind tibiae extensively yellow, slightly shaded medially; abdominal sternites III–VI with discal setae present only on lateral thirds................................. brasiliensis
17. Fore wing not white basally; body mostly pale; antennal segment III less than 2.0 times as long as wide............ flavidus
-. Fore wing clearly paler sub-basally; body bicolored; antennal segment III 2.5 or more times as long as wide............. 18
18. Body sharply bicolored (Fig. 102), abdominal tergites III–VIII yellow; pronotum brown, without conspicuous reticulation (Fig. 105)....................................................................................... bicolor
-. Body extensively yellow (Fig. 108); abdominal tergites III–VI yellow laterally with brown markings medially (Fig. 109); pro- notum yellow, with cross-striate reticulation......................................................... decoratus
description: Published as part of Pereyra, Veronica & Cavalleri, Adriano, 2012, The genus Heterothrips (Thysanoptera) in Brazil, with an identification key and seven new species, pp. 1-23 in Zootaxa 3237 on pages 4-5, DOI: 10.5281/zenodo.280411