Zootaxa 3764 (3): 317–346 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Article ZOOTAXA Copyright © 2014 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3764.3.4 http://zoobank.org/urn:lsid:zoobank.org:pub:4CB413EB-398F-47C2-A382-CD7E5C163A7D Redefinition of Cosmolaelaps Berlese (Acari: Laelapidae) and description of five new species from Brazil GRAZIELLE FURTADO MOREIRA1, HANS KLOMPEN2 & GILBERTO JOSÉ DE MORAES3 1Departamento de Fitossanidade, Universidade Estadual Paulista (Unesp), Câmpus de Jaboticabal, Jaboticabal, São Paulo, Brazil. E-mail:
[email protected] 2Department of Evolution, Ecology and Organismal Biology, Ohio State University (OSU), Columbus, Ohio, United States of America 3Departamento de Entomologia e Acarologia, Escola Superior de Agricultura “Luiz de Queiroz, Universidade de São Paulo (ESALQ/ USP), Piracicaba, São Paulo, Brazil Abstract Cosmolaelaps Berlese, 1903 was originally described as a subgenus of Laelaps Koch. More recently, this group has been treated at the generic level or as a subgenus of Hypoaspis Canestrini, 1885. One of the objectives of the present paper is to provide a detailed characterisation of Cosmolaelaps, here considered at the generic level, a group that was poorly char- acterised in its original description as well as in subsequent publications. It is most closely related to Stratiolaelaps Ber- lese, from which it can usually be distinguished by the presence of extra paired and unpaired setae on the opisthonotal region of the dorsal shield, as well as by not having hypertrophied chelicerae or corniculi. A total of 108 species belong to Cosmolaelaps, including the new species described here. Five other species may also belong to this genus, but the avail- able published information does not allow their conclusive placement.