The crepuscularis species group of the ichneumonid genus Aphanistes Förster currently comprises three species—Aphanistes crepuscularis Dasch, A. guatemalenus (Cameron), and A. arcei Gauld & Bradshaw. Five new species are described: A. augustoi sp. n., A. cachil sp. n., A. paolae sp. n., A. ruthae sp. n., and A. silviae sp. n. A key for the species group is also presented.
Bibliographical noteFunding Information:
The author was supported by a fellowship from the Fondo para la Innovación, Ciencia y Tecnología, Peru. This work was partly supported by The Natural History Museum 'Special Funds' (grant awarded to Max Barclay), which enabled a visit to the collections of the NHML. Field collections were financed by the Asociación de Ecosistemas Andinos, the American Bird Conservancy (awarded to Jeferson Suarez), and the Universidad Nacional Mayor de San Marcos (CON/CON 151001081 and CON/CON 141001011). The collection permit was issued by SERFOR (R.D.G No 080-2014-SERFOR-DGGSPFFS). I am grateful to Michael S. Engel for his constructive comments. This is a contribution of the Division of Entomology, University of Kansas Natural History Museum.