Dilar hastatus

Zhang, Wei, Liu, Xingyue, Aspöck, Horst & Aspöck, Ulrike, 2015, Revision of Chinese Dilaridae (Insecta: Neuroptera) (Part III): Species of the genus Dilar Rambur from the southern part of mainland China, Zootaxa 3974 (4), pp. 451-494 : 455

Dilar hastatus species-group

Diagnosis. This species-group is characterized by the proximally inflated male ninth gonocoxites, with unguiform or bifid tip, by the slenderly elongate male tenth gonocoxites, which are generally much longer than ninth gonocoxites, and by the slenderly beam-shaped gonarcus, which is expanded on both ends and laterally connected to bases of ninth gonocoxites.