First Description of Deutonymph Male of Eustigmaeus anauniensis (Canestrini) (Trombidiformes: Stigmaeidae)

With more than 130 species, Eustigmaeus Berlese is one of the most diverse genera in the family of Stigmaeidae. The genus has a worldwide distribution and is found in all zoogeographic regions with the exception of Antarctica. The adult female, adult male, deutonymph, protonymph, and larva of Eustigmaeus anauniensis (Canestrini) are known till now, but the immature male stage is unknown. In this study, five deutonymph male specimens of E. anauniensis were found in Türkiye. The description, illustrations of deutonymph males of E. anauniensis, and its measurements of some body parts were made. This is the first record of deutonymph male of E. anauniensis.