Abstract
During field screening of polyene compounds, conducted at different localities of Hungary, in 1984, sex attractants were found for Costaconvexa polygrammata Bkh., as (3Z , 6Z , 9Z)-3,6,9-eicosatriene; Eupithecia subnotata Hbn., as (3Z , 6Z , 9Z)-3,6,9-nonadecatriene; Synthomis phegea L., as (3Z , 6Z , 9Z)-3,6,9-heneicosatriene and for Dysauxes ancilla L., as (3Z , 6 Z, 9Z )-l,3,6,9-nonadecatetraene. (7E , 9Z)-7,9-dodecadienyl acetate was found to be a sex attractant for Sterrha rubraria Stgr.