Abstract
The pollens consumed by common green lacewings Chrysoperla spp. in crop environment in western France, were ana- lysed. The diverticulum contents including quantity of pollen of Chrysoperla adults were analysed to compare a feeding behaviour between the sexes. Females consume more pollen than males. The feeding behaviour of the two main species present was compared, yielding new insights into differences between species within the complex Chrysoperla carnea (Stephens).
Highlights
The need for food of high quality for the West European market has been significantly increasing so that Integrated Pest Management (IPM) and organic farming are becoming a concern for agriculture
The diverticula never contained a large variety of pollen
From March to May, Chrysoperla spp. adults feed in the arborescent and herbaceous strata
Summary
The need for food of high quality for the West European market has been significantly increasing so that Integrated Pest Management (IPM) and organic farming are becoming a concern for agriculture. From March to May, Chrysoperla spp. adults feed in the arborescent and herbaceous strata. The quantity of pollen grains found in diverticula adults collected from the two strata was not significantly different: 1715 (mean number) in the arborescent stratum and 575 in the herbaceous stratum (Fig. 2) (after log transformation Fc = 0.95
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