A total of 1,205 individuals from 34 Planipennia species was caught by
4 Malaise traps in four different localities in Slovakia during year
1992. Chrysoperla carnea and Hemerobius humulinus were the most abunda
nt at every investigated locality. The flight activity of all dominant
species was investigated. The species Psectra diptera (Hemerobiidae)
is new for Slovakia.