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Paternal Care Behavior Increases in the Presence of Conspecific Females in the Giant Water Bug, Kirkaldyia deyrolli (Belostomatidae: Heteroptera)
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Paternal Care Behavior Increases in the Presence of Conspecific Females in the Giant Water Bug, Kirkaldyia deyrolli (Belostomatidae: Heteroptera)
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Journal Article
Paternal Care Behavior Increases in the Presence of Conspecific Females in the Giant Water Bug, Kirkaldyia deyrolli (Belostomatidae: Heteroptera)
2023
Overview
The males of the giant water bug, Kirkaldya deyrolli, care for egg masses on the emergent vegetation above the water surface in aquatic environments. A previous study reported that attending males supply the eggs with water and guard them against mature females (infanticide) until hatching. That study additionally concluded that males staying on the egg mass for longer than necessary may be a counterstrategy against females considering infanticide. In the present study, laboratory experiments were performed to evaluate the effect of conspecific females on paternal care during the egg-attending period using “with-” and “without-female” treatments. The hatching rates of eggs guarded by males with or without the presence of females were not significantly different. However, the proportion of males on the egg mass was significantly higher when the females were present than when not. We conclude that male behavior may be a counterstrategy against infanticidal females, in which males avoid and reduce the risk of detection by climbing out of the water when females are present.
Publisher
Springer Nature B.V
Subject
