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1 January 2022 ‘Drop and stop’ – a case of interspecific anti-harassment behaviour in an aeshnid female (Odonata: Aeshnidae)
Hansruedi Wildermuth
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Abstract

A female Aeshna cyanea, having been intercepted in mid-air by a male A. mixta attempting to mate, was observed to crash down together with the attacker to the ground where both remained motionless close to each other. After a short while the insects flew up simultaneously and the same behavioural sequence recurred. Following a short fight involving biting the female escaped and flew off. This is the first reported interspecific ‘drop and stop’ behaviour in anisopterans away from water.

Hansruedi Wildermuth "‘Drop and stop’ – a case of interspecific anti-harassment behaviour in an aeshnid female (Odonata: Aeshnidae)," Notulae odonatologicae 9(6), 269-275, (1 January 2022). https://doi.org/10.5281/zenodo.4268595
Received: 21 October 2020; Published: 1 January 2022
KEYWORDS
akinesis
Anisoptera
Death feigning
dragonfly
interspecific interactions
sexual conflict
thanatosis
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