Specimens of Perlidae (Plecoptera) deposited in the Entomological Collection "Padre Jesus S. Moure" of the Universidade Federal do Paraná and additional material recently collected in Paraná and Santa Catarina states, Brazil were studied. Six previously described species were identified, Anacroneuria debilis (Pictet, 1841), A. cathia Froehlich, 2002, A. polita (Burmeister, 1839), A. trimacula J...

A new species of the genus Isoperla (Plecoptera, Perlodidae), belonging to the oxylepis species-group is described, and the male mating call is characterized. Its range falls within a small region of the Southern Limestone Alps which is well known to be one endemism-centre of aquatic insects.

A new species of the genus Sphaeronemoura (Plecoptera: Nemouridae: Amphinemurinae), S. separata sp. n. is described from the male, female, and larvae collected in Henan Province of China. The internal genitalia of the female adult is described for the first time for the genus, and additional generic characters for the larva are also given. The known distributions of all Sphaeronemoura species i...

A new species of the genus Amphinemura (Plecoptera: Nemouridae: Amphinemurinae), A. baumanni sp. n. is described on the basis of five males collected in the Darjeeling District of West Bengal, India. A new species of the genus Sphaeronemoura (Amphinemurinae), S. siveci sp. n. is described on the basis of a single male collected in the West Garo Hills District of Meghalaya, India. A checklist of...

The genus Panochthus represents the last lineage of "Panochthini" recorded in the Pleistocene. This genus has a wide latitudinal distribution in South America, and in Brazil it occurs in the southern and northeastern regions. In this paper we describe new material (isolated osteoderms and caudal tube fragments) assigned to Panochthus from the state of Rio Grande do Sul (southern Brazil) and dis...

Proceedings of the 2022 XVI International Conference On Ephemeroptera and XX Symposium Plecoptera (Cover)

Proceedings of the 2022 XVI International Conference On Ephemeroptera and XX Symposium Plecoptera (Table Contents)