Key to species of Aeolothrips of Saudi Arabia (* indicates species included from descriptions). 1. Fore wing posterior half with longitudinal dark band, covering almost entire length of wing except apex and base; metanotum with circular rings of sculpture.................................................................... asirensis * - Fore wing with two dark cross bands; metanotum sculpture with equiangular or transverse reticulation................. 2 2. Antennal segments IV–IX grey; dark band on fore wing wider than long; legs bicolored, mid and hind tarsi and extreme apex of mid and hind tibiae yellow.................................................................... eremicola - At least antennal segments V–IX dark brown; dark bands on fore wings longer than wide; hind and mid legs unicolorous brown.............................................................................................. 3 3. Ring vein around apex of fore wings and posteromarginal vein between the two transverse dark bands brown............ 4 - Ring vein around apex of fore wings and posteromarginal vein between the two transverse dark bands as pale as membrane it surrounds........................................................................................... 5 4. Antennal segment V longer than length of VI–IX together............................................ tenuicornis - Antennal segment V shorter than VI–IX together..................................................... deserticola 5. Antennal segment III brown at apex, IV entirely dark brown, sensorium on segment III small, hardly reaching to half length of segment; sternite VII with additional pair of setae ahead of posterior marginal setae........................ mongolicus - Antennal segment III completely yellow; IV yellow at base, sensorium on segment III long, surpassing half the length of segment; sternite VII with additional pair of setae conspicuous and close to posterior margin................... sobrinus

Published as part of Rasool, Iftekhar, Alattal, Yehya Zaki & Aldhafer, Hathal M., 2023, Faunistic inventory, identification keys and zoogeographical analysis of the Thysanoptera-Terebrantia of Saudi Arabia, including two new species, pp. 151-200 in Zootaxa 5306 (2) on page 156, DOI: 10.11646/zootaxa.5306.2.1, http://zenodo.org/record/8058749