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We observed the first case of host‐behavioral manipulation of an orb‐weaver spider Argiope argentata induced by a parasitoid wasp of the genus Acrotaphus. The modified web is similar of those constructed by other orb weavers attacked by wasps of the close related genus Hymenoepimecis. The stick spirals and radii are absent and the web is composed of a three‐dimensional structure of non adhesive threads...
Some polysphinctine parasitoid wasps can alter the web building behavior of their host spiders. In this paper, we describe and illustrate a new species Eruga unilabianasp. nov. and report for the first time, to the best of our knowledge, the interaction between this parasitic wasp and the linyphiid spider Dubiaranea sp. We investigated the wasp's host selection, development, and manipulation of host...
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