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Why Do Male Tree Weta Aggressively Evict Females from Galleries After Mating?

Kelly, Clint

Description

The sexually dimorphic Wellington tree weta (Hemideina crassidens Blanchard) (Orthoptera: Anostostomatidae) is a harem-defending polygynous insect in which males use their enormous mandibles to fight conspecifics for access to harems residing in tree cavities (gallery). Tree weta ejaculates (spermatophores) do not include a nuptial meal (spermatophylax) to delay removal by females as in some ensiferan Orthoptera. Consequently, male tree weta are predicted to remain with their mates post-copula...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/53921
Source: Ethology
DOI: 10.1111/j.1439-0310.2007.01451.x

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