Anystipalpus, Antennoseius and Vitzthumia: a taxonomic and nomenclatural conundrum of genera (Acari: Mesostigmata: Dermanyssina), with description of four species of Anystipalpus Author Lindquist, Evert E. Author Moraza, María L. text Zootaxa 2009 2243 1 39 journal article 10.5281/zenodo.190657 025e2ef4-42ca-47e0-b746-80c76aeb03fe 1175-5326 190657 Key to genus-group taxa of Anystipalpus and Antennoseius 1. Palpus slender, elongated, about half as long as leg I; palptibia two to three times as long as palptarsus ( Fig. 37 ); sternal shield lacking lyrifissures iv1 , iv3 , and sometimes iv2 ( Fig. 7 ); tibia IV with nine setae ( pl -2 absent).............. ...................................................................................................................................................... Anystipalpus Berlese - Palpus of normal length, at most one-third as long as leg I, with palptibia less than two times as long as palptarsus ( Fig. 53 ); sternal shield lyrifissures iv1-iv3 present; tibia IV with ten setae ( pl -2 present)... Antennoseius Berlese ...... ...................................................................................................................................................................................... 2 2. Legs I with pretarsus and a pair of small to well-developed claws ............................. Antennoseius ( Vitzthumia ) Thor - Legs I lacking pretarsus and claws ...................................................................... Antennoseius ( Antennoseius ) Berlese