Chirothrips

Minaei, Kambiz & Mound, Laurence, 2010, Grass-flower thrips of the genus Chirothrips (Thysanoptera: Thripidae), with a key to species from Iran, Zootaxa 2411, pp. 33-43 : 38-39

Key to Chirothrips species from Iran

1. Antennal segment II symmetrical ( Fig. 5 ); campaniform sensilla on abdominal tergites posterolateral to median setae .............................................................................................................................................................. atricorpus

-. Antennal segment II asymmetrical ( Figs 2–4 ); campaniform sensilla on abdominal tergites usually anterolateral to median setae (Fig. 22, 23) ............................................................................................................................................. 2

2. Sensorium on antennal segment IV forked................................................................................................................... 3

-. Sensorium on antennal segment IV simple................................................................................................................... 4

3. Tergites II–VII posterior margin with continuous craspedum bearing long broad lobes (Fig. 23); antennal segment I without dorsal transverse ridge ( Fig. 6 ), II with apex almost acute ........................................................... meridionalis

-. Tergites II–VII posterior margin with series of small tubercle-like lobes (Fig. 21); antennal segment I with transverse ridge dorsally ( Fig. 2 ), II with apex softly rounded ........................................................................................ aculeatus

4. Tergites II–VII posterior margins with row of widely spaced microtrichia (Fig. 24); antennal segment I with median dorsal setal pair closer together than width of base of segment II ( Fig. 9 ) ....................................................... molestus

-. Tergites II–VII posterior margins with distinct craspedum (Figs 20, 25); antennal segment I with median dorsal setal pair wider apart than width of base of segment II ( Figs 10, 11 ) ................................................................................... 5

5. Tergite I with craspedum present only on median third of posterior margin (Fig. 25)................................. kurdistanus

-. Tergite I with craspedum complete across posterior margin ...........................................................“ manicatus group”

Figures

FIGURES 1 – 6 Chirothrips species. (1) adults emerged from pupae within grass seeds. Chirothrips heads 2 – 6: (2) aculeatus; (3) africanus; (4) ah; (5) atricorpus; (6) meridionalis.

FIGURES 7 – 11. Chirothrips heads. (7) kurdistanus. (8) pallidicornis. (9) molestus. (10) manicatus [A. C. T.]. (11) manicatus [England].