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. 1985 Jun;11(6):781-91.
doi: 10.1007/BF00988305.

Kairomones for the egg parasiteTrichogramma evanescens Westwood : I. Effect of volatile substances released by two of its hosts,Pieris brassicae L. andMamestra brassicae, L

L P Noldus  1 , J C van Lenteren
Affiliations

Kairomones for the egg parasiteTrichogramma evanescens Westwood : I. Effect of volatile substances released by two of its hosts,Pieris brassicae L. andMamestra brassicae, L

L P Noldus et al. J Chem Ecol. 1985 Jun.

Abstract

In a four-armed airflow olfactometerTrichogramma evanescens Westwood females were attracted by a volatile substance(s) released by virgin females of the great cabbage white butterfly,Pieris brassicae L. Males or recently mated females did not cause attraction. Furthermore,T. evanescens was also attracted by volatiles released by calling virgin cabbage moths,Mamestra brassicae L. However, the parasites did not respond to (Z)-11-hex-adecenylacetate (the main component of the sex pheromone ofM. brassicae), a crude hexane extract of the sex pheromone gland, or to males or recently mated females.

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