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2015 ; 6
(1
): 183-96
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Sexual Behavior of Drosophila suzukii
#MMPMID26463074
Revadi S
; Lebreton S
; Witzgall P
; Anfora G
; Dekker T
; Becher PG
Insects
2015[Mar]; 6
(1
): 183-96
PMID26463074
show ga
A high reproductive potential is one reason for the rapid spread of Drosophila
suzukii in Europe and in the United States. In order to identify mechanisms that
mediate mating and reproduction in D. suzukii we studied the fly's reproductive
behavior, diurnal mating activity and sexual maturation. Furthermore, we studied
the change of female cuticular hydrocarbons (CHCs) with age and conducted a
preliminary investigation on the role of female-derived chemical signals in male
mating behavior. Sexual behavior in D. suzukii is characterized by distinct
elements of male courtship leading to female acceptance for mating. Time of day
and age modulate D. suzukii mating activity. As with other drosophilids, female
sexual maturity is paralleled by a quantitative increase in CHCs. Neither female
CHCs nor other olfactory signals were required to induce male courtship, however,
presence of those signals significantly increased male sexual behavior. With this
pilot study we hope to stimulate research on the reproductive biology of D.
suzukii, which is relevant for the development of pest management tools.