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- Title
Behavioral patterns that determine the mating rates in a wing dimorphic riffle bug, Microvelia horvathi Lundblad, 1933 (Hemiptera: Heteroptera: Veliidae).
- Authors
Matsushima, Ryosuke; Yokoi, Tomoyuki
- Abstract
Wing dimorphic insects are known to be a well-established model of the trade-off between flight capability and reproduction. Macropterous morph expends its energy for developing and maintaining the flight apparatus at the expense of reproduction, while apterous morphs have greater reproductive output. Mating rates of apterous morph tend to be higher than those of macropterous, especially in early adulthood. Although mating rates are strongly associated with mating behaviors of both sexes, few studies have examined the relationships between wing morph and male–female interactions through mating behavior. In the present study, we examined the mating rates of all combinations of wing morphs and clarified whether the mating rate is affected by mating behavior related to wing morph in the riffle bug Microvelia horvathi Lundblad, 1933 (Hemiptera: Heteroptera: Veliidae). Our results show that females take the initiative on mating and that the mating rate was lower in macropterous females, which more often reject mating by shaking the male off. In males, the approach with stalking was not associated with wing morphs, but indirectly affected the increase in mating rate. We suggest that the effect of wing morphs on mating behavior differs between sexes, being reflected in mating rates.
- Subjects
STINKBUGS; HEMIPTERA; ANIMAL sexual behavior; INSECT reproduction; INSECT wings
- Publication
Journal of Ethology, 2022, Vol 40, Issue 2, p153
- ISSN
0289-0771
- Publication type
Article
- DOI
10.1007/s10164-022-00744-3