Gyulai Iván - Szakáll Sándor szerk.: Natura Borsodiensis I. (Miskolc, 1986)

KISS OTTÓ-SZABÓ BÉLA: A Bükk-hegységi Kós-völgyi csermely Trichoptera lárváinak kvantitatív vizsgálata

Abstract A QUANTITATIVE STUDY OP THE CADDIS LARVAE PROM THE RILL OP KÓS VALLEY /BÜKK NTS., HUNGARY/ Zonal distribution and quantitative occurrence of caddis larvae from six sampling stations in the rill of Kós Valley of clay shale were studied. The 12 species of caddis larvae found are as follows: Agapetus fuscipes /CURTIS/, Hydropsyche angustipennis /CURTIS/, Plectrocnemia conspersa /CURTIS/, Limnephilus griseus LINNE, Halesus digitatus /SCHRANC/, Halesus tesselatus RAMBUR, Potamophylax latipennis /CURTIS/, Potamophylax nigricomis /PICTET/, Silo pallipes /PABRICIUS/, Silo nigricomis /PICTET/, Sericostoma personatum /SPENCE/, Crunoecia irrorata /CURTIS/. Silo nigricomis occured en masse while the number of individuals for Silo pallipes was small. Agapetus fuscipes and Potamophylax nigricomis were found to continue an active way of life also in the winter months.