Grass-flower thrips of the genus Chirothrips (Thysanoptera: Thripidae), with a key to species from Iran Author Minaei, Kambiz Author Mound, Laurence text Zootaxa 2010 2411 33 43 journal article 10.5281/zenodo.294003 f0bb01aa-a4e2-41dd-886d-8774211499df 1175-5326 294003 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”