Key to Aptinothrips species from Iran 1. Tarsi 2-segmented; antennae 8-segmented [not studied]................................................... stylifer -. Tarsi 1-segmented (Fig. 13); antennae 6-segmented (Figs 4, 5, 6), rarely 7- or 8-segmented........................... 2 2. Female tergite IX with posteromedian setae S1 about 0.5 times as long as posterolateral setae S2 (Fig. 12)... iraniensis sp. n. -. Female tergite IX with posteromedian setae S1 less than 0.2 times as long as posterolateral setae S2 (Figs 10, 11)......... 3 3. Sternites III–VI with lateral posteromarginal setae S3 arising anterior to the margin (Fig. 7); tergites II–VIII usually without discal setae (Fig. 1); base of antennal segment II broad and flat (Fig. 4)..................................... elegans -. Sternites III–VI with posteromarginal setae all arising on the margin (Fig. 8); tergites II–VIII with 6–12 discal setae (Fig. 2); base of antennal segment II not broad (Fig. 5)............................................................ rufus

Published as part of Alavi, Jalil, 2020, Aptinothrips iraniensis sp. n. (Thysanoptera, Thripidae) with a key to the four Aptinothrips species known from Iran, pp. 247-250 in Zootaxa 4816 (2) on page 248, DOI: 10.11646/zootaxa.4816.2.10, http://zenodo.org/record/3954201