Field Tests with Sex Attractants of Diachrysia chrysitis and D. tutti (Lepidoptera: Noctuidae) at Several Sites in Hungary

Z. Naturforsch. 43c, 463-466 (1988); received February 2, 1988 Sex Attractant, Field Trapping, Diachrysia chrysitis, Diachrysia tutti, Lepidoptera Sex attractants for the sibling taxa Diachrysia chrysitis (L.) s.str. and D. tutti (Kost.) were field tested on 9 sites in Hungary. Catches with the two already described attractant blends, Z-5-10:Ac/ Z-7-10:Ac in ratios 10:1 and 2:100, were similar to earlier results obtained in areas more to the west, chrysitis s.str. type males responding to the 10:1 while tutti type males to the 2:100 ratio. Substantial chrysitis s.str. catches were also obtained by the intermediate 1:1 blend. O n all 9 sites the two taxa were co-occurring.