Redescription of Cosmolaelaps hastiger Berlese (Acari: Mesostigmata: Laelapidae), Seven New Synonymies, and the Status of Some Other Species in the Genus

A redescription of Cosmolaelaps hastiger Berlese was conducted using its female and heteromorphic male type specimens. Five species, namely C. rectangularis Sheals, C. paravacua Nasr & Nawar, C. liae Bai & Gu, C. michaeli Huhta & Karg and C. pampaensis Duarte et al., have been identified as junior synonyms of C. hastiger. Additionally, Cosmolaelaps pinnatus Ramroodi et al. and C. angustiscutatus Willmann have been identified as junior synonyms of C. ornatus Berlese and C. gryllotalpae Berlese, respectively. The status of other species within the Cosmolaelaps genus has also been discussed. Based on our analysis, including consideration of synonymies and new combinations, the total number of species within the genus is now 126.