Pseudopygmephorellus mazandaranicus sp. nov. (Acari: Heterostigmata: Pygmephoridae), phoretic on scarabaeid dung beetles (Coleoptera: Scarabaeidae) from Iran Author Katlav, Alihan Author Hajiqanbar, Hamidreza Author Talebi, Ali Asghar text Zootaxa 2015 3919 1 100 110 journal article 42086 10.11646/zootaxa.3919.1.5 fb29460a-8754-44f1-bc88-f8715eda6a64 1175-5326 235217 4100DA7B-62A7-4E15-BE30-C9331B9CE035 Key to world species of the genus Pseudopygmephorellus (Females) 1. Tarsus IV with claws; posterior margin of the prodorsum nearly straight......................................... 2 - Tarsus IV without claws; posterior margin of the prodorsum elongate and rounded (ligula-shaped)..................................................................................................... P . reductus Khaustov, 2008 2. Epimeral setae 1 a , 1 b , 2 a , 2 c modified and distinctly thickened basally........................................... 3 - Epimeral setae 1 a , 1 b , 2 a , 2 c unmodified and setiform........................................................ 4 3. Lateral parts of prodorsum with microsculpture; setae d and c 1 subequal; setae 3 a and 4 a distinctly thickened basally........................................................................ P . pinguisetus ( Mahunka and Philips, 1978 ) - Lateral parts of prodorsum without microsculpture; setae d distinctly longer than c 1; setae 3 a and 4 a uniformly slender, not thickened basally........................................................... P . troxi Khaustov and Trach, 2014 4. Setae v 1 situated posterior to the level of setae v 2. ........................................................... 5 - Setae v 1 situated anterior to the level of setae v 2. ................................... P . artemjevi ( Sevastianov, 1981 ) 5. Apodemes 5 developed; solenidia ω 1, ω 2, φ 1 and φ 2 on TiTaI 10, 8, 7and 6 respectively; seta TaII tc' thickened, somewhat pilose, with blunt apex; seta FeIV v’ rod-like and blunt-ending........................... P . szekessyi ( Mahunka, 1970 ) - Apodemes 5 considerably reduced; solenidia ω 1, ω 2, φ 1 and φ 2 on TiTaI 6, 3, 5 and 3 respectively; seta TaII tc' seta-like, with pointed apex; seta FeIV v’ seta-like and pointed........................................ P. mazandaranicus sp. nov.