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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Host behavior modification of Achaearanea tingo (Araneae: Theridiidae) induced by the parasitoid wasp Zatypota alborhombarta (Hymenoptera: Ichneumonidae)

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Author(s):
Gonzaga, Marcelo O. [1] ; Loffredo, Ana Paula [2] ; Penteado-Dias, Angelica M. [2] ; Cardoso, Joao Custodio F. [3]
Total Authors: 4
Affiliation:
[1] Univ Fed Uberlandia, Inst Biol, Campus Umuarama, Bloco 2D, BR-38400902 Uberlandia, MG - Brazil
[2] Univ Fed Sao Carlos, Dept Ecol & Biol Evolut, BR-13560 Sao Carlos, SP - Brazil
[3] Univ Fed Uberlandia, Posgrad Ecol & Conservacao Recursos Nat, BR-38400902 Uberlandia, MG - Brazil
Total Affiliations: 3
Document type: Journal article
Source: ENTOMOLOGICAL SCIENCE; v. 19, n. 2, p. 133-137, APR 2016.
Web of Science Citations: 4
Abstract

Behavioral manipulation involving Zatypota (Ichneumonidae: Pimplinae) parasitoids and their spider hosts is usually associated with an increase in web complexity at the location where the parasitoid larva builds its cocoon. A higher number of web threads at this location may improve stability and provide a physical barrier against potential predators. However, we observed that parasitized individuals of Achaearanea tingo attacked by Z. alborhombarta change the three-dimensional structure of their webs to a very simple and strong structure composed of two cables attached to the surrounding vegetation. This structure holds the curled leaf formerly used by the spider as a shelter. The parasitoid larva remains protected within this shelter after killing the host. The architectural pattern of the cocoon webs of A. tingo indicates that host manipulation is characterized by the repetition of one specific subroutine involved in web construction. Similar alterations have been previously described for cocoon webs constructed by parasitized orb-weavers, but not for the three-dimensional webs of theridiids. (AU)

FAPESP's process: 08/57949-4 - Institute to Studies of the Parasitic Hymenoptera at the Brazilian Southeastern Region – HYMPAR
Grantee:Angélica Maria Penteado Martins Dias
Support Opportunities: Research Projects - Thematic Grants