Ignac Sivec

Descriptions of oriental Perlini (Plecoptera: Perlidae)

Three new species of Oriental Perlini are described and Agnetina aequalis (Banks) and A. quadrituberculata (Wu) are redescribed. Agnetina jarai sp. n. (Vietnam), Togoperla shan sp. n. (Thailand), and Tyloperla schmidi sp. n. (Assam), are described, compared with related congeners, and male holotypes are designated for each species.

A New Apteropus Species of Leuctra (Plecoptera: Leuctridae) from Slovenia, Yugoslavia

Abstract Leuctra istenicae (Plecoptera: Leuctridae), an apterous species from Pohorje mountains (Slovenia, Yugoslavia), is described. Notes on ecology and relationships to other apterous species of Leuctra are added.

Addition to the Knowledge of Genus Chinoperla (Plecoptera: Perlidae)

Ochthopetina nigrifrons Banks from Hainan is redescribed from type material and transferred to genus Chinoperla. Chinoperla unidentata Sivec & Zwick sp.n. from Tailand (male only known) and Chinoperla borneensis Sivec & Zwick sp.n. from Borneo (female only known) are described and illustrated.