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The putative female, nymph and egg of Enderleina preclara are described from specimens collected in the Kukenán-tepui foothills and Acopán-tepui foothills and plateau of Venezuela. Morphological and molecular approaches were employed to characterize these stages. Diagnostic keys for males and females of the described Enderleina species are also presented. The nymph is also morphologically compared with those of other Enderleina species. Comments on the ecology of this species and erroneous information regarding the putative type locality of E. preclara are provided.

Four new species of the genus Atopsyche Banks (Hydrobiosidae) from Pantepui biogeographical region (Venezuela) are described and illustrated: Atopsyche (Atopsaura) inmae n. sp., Atopsyche (Atopsaura) cristinae n. sp., Atopsyche (Atopsaura) svitoki n. sp., and Atopsyche (Atopsaura) carmenae n. sp. Molecular analyses (cox1 sequences) allowed larva-adult associations and the morphological description of larvae of two of the new species (A. inmae and A. cristinae). A phylogenetic tree is performed to assess the molecular validity of the species, establish evolutionary relation among them and interpret historical biogeography of tepuis. Finally, two new distributional records for A. (Atopsaura) atahuallpa are included, which up to now was known only from the type locality.

The female sex of the cave-dwelling cricket Hydrolutos breweri Derka & Fedor (Anostostomatidae; Lutosinae) isdescribed. The cricket is of interest because it has few adaptations towards its peculiar life-style. The genus is known from 5 apterous species from South America.