DOLOČITEV RASE KORUZNE VEŠČE (Ostrinia nubilalis Hübner) V SAVINJSKI DOLINI; PRELIMINAREN POSKUS SPREMLJANJA MOŠKIH METULJEV S FEROMONSKO VABO.

The European corn borer (Ostrinia nubilalis), EBC, has been known as a corn and hop pest in Savinja valley for a long time which has lately caused significant economic damage. Using gas chromatography (GC) equipped with FID detector, E strain of EBC was identified in Savinja valley on corn (Zea mays) and on hop (Humulus lupulus) as well. Pheromone-baited traps with E strain (E11-14Ac) were used for monitoring the EBC flight; delta sticky traps and sticky wing traps. Field studies showed that EBC males were not optimally attracted and were poorly captured by pheromone bait on both traps. The results showed that sticky wing traps captured approximately two times more EBC males than sticky delta traps. [ABSTRACT FROM AUTHOR]