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The Neotropical genus LucernutaLaporte, 1833 comprises a mixed assembly of taxa, whose diagnoses currently overlaps with some species listed under CratomorphusMotschulsky, 1853. Here, we review, provide new biological data, and update the geographic range of the species currently listed under Lucernuta in McDermott 1966. We propose the following nomenclatural decisions: Lucernuta fenestrataGermar,...
Here, we review the species Cratomorphus cossyphinus (Perty, 1830) after study of the holotype, 24 adults and nine immature stages deposited in five collections. The species is found throughout South America, inhabiting wetlands. Larva, pupa and female are described for the first time, and the male is redescribed and illustrated, with an emphasis on sexual dimorphism. The larva is considered semiaquatic,...