Iridothrips, Priesner, 1940

Wang, Zhaohong, Mound, Laurence & Tong, Xiaoli, 2019, Phylogenetic relationships within the Frankliniella genus-group based on morphology, with a revision of Iridothrips (Thysanoptera, Thripidae), Zootaxa 4651 (1), pp. 141-154 : 148

Key to Iridothrips species (females)

[* based on description]

1. Pronotum with 2 pairs of posteromarginal setae ( Fig. 8 ); postocular setal pair I and pair II usually absent.................................................................................................... zizaniophila comb. n.

-. Pronotum with 4–5 pairs of posteromarginal setae ( Fig. 13 ); postocular setal pair I and pair II usually present, occasionally pair I missing............................................................................................ 2

2. Ocellar setae I absent, cheeks convergent posteriorly ( Fig. 5 ) [abdominal tergites posterior margin with short irregular dentiform lobes laterally, tergite VIII with complete comb ( Fig. 25 ); sternites without obvious posteromarginal lobes].... mariae

-. Ocellar setae I present, cheeks parallel ( Fig. 7 ).............................................................. 3

3. Pronotum anteroangular setae rather short, shorter than submedian anteromarginal setae............ kratochvili comb. n. *

-. Pronotum anteroangular setae rather long, at least longer than submedian anteromarginal setae........................ 4

4. Mesosternal endofurca without spinula; mesonotum median setae situated in the middle of the sclerite; metanotal median setae near anterior margin ( Fig. 17 ); tergites and sternites posterior margins without craspeda or teeth; tergite VIII posterior margin without comb..................................................................................... iridis

-. Mesosternal endofurca with spinula; mesonotum median setae close to posterior margin; metanotal median setae well behind anterior margin ( Fig. 18 ); tergites and sternites posterior margin with craspeda or teeth; tergite VIII posterior margin with short teeth arising from lobes ( Fig. 21 ).............................................................. lobulatus sp. n.

Figures

FIGURES 2–12. Character states of Frankliniella genus-group. 2–7 head: (2) Fr. insularis; (3) Fr. schultzei; (4) Y. yangtzei; (5) I. mariae; (6) Ps. araucariae; (7) I. lobulatus. 8–12 head and pronotum: (8) Fr. zizaniophila; (9) Fr. williamsi; (10) S. calcaratus; (11) T. physapus; (12) P. achaetus. [see Appendix 1 for character state codes]

FIGURES 13–18. Character states on thorax. 13–15 pronotum: (13) I. lobulatus; (14) Pa. setifer; (15) Fr. tenuicornis. 16–18: meso and metanotum (16) Pa. setifer; (17) I. iridis; (18) I. lobulatus.

FIGURES 19–26. Character states on tergites: (19) Fr. tenuicornis IV–V; (20) Y. yangtzei V–VI; (21) I. lobulatus VII–VIII; (22) Pa. setifer VI–VIII; (23) T. physapus VII–VIII; (24) Ps. achaetus VII–VIII; (25) I. mariae VIII; (26) Fr. schultzei VII–VIII. [see Appendix 1 for character state codes].