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Immature stages and natural history of Eruga unilabiana (Hymenoptera: Ichneumonidae), an ectoparasitoid of two linyphiid spiders
| dc.contributor.author | Campili Pereira, Luis | |
| dc.contributor.author | Villanueva-Bonilla, German Antonio | |
| dc.contributor.author | De Andrade Santiago, Lilian | |
| dc.contributor.author | Galvão De Pádua, Diego | |
| dc.contributor.author | Serrão, José Eduardo | |
| dc.contributor.author | Gechel Kloss, Thiago | |
| dc.contributor.author | Sobczak, Jober Fernando | |
| dc.date.accessioned | 2025-03-26T12:36:24Z | |
| dc.date.available | 2025-03-26T12:36:24Z | |
| dc.date.issued | 2024 | |
| dc.identifier.uri | http://repositorio.ucm.cl/handle/ucm/5875 | |
| dc.description.abstract | Wasps from the Polysphincta genus group (Hymenoptera: Ichneumonidae: Pimplinae) are currently the only parasitoid wasps that are ectoparasitoids of spiders. The species of the group exhibit several morphological and behavioral adaptations, which allow exploiting their host spiders. Here, we describe the external morphology, behavior and natural history of the immature stages of a Darwin wasp Eruga unilabiana Pádua & Sobczak, 2018, a parasitoid of sheet-weaving spiders, Sphecozone sp. and Eurymorion sp. (Linyphiidae). The egg of E. unilabiana is a white mass that is deposited in the anterior region of the spider's abdomen. First stage larvae partially emerge from the egg's chorion. Second stage larvae have a body divided into 13 segments and induce spiders to build a modified web. The third stage larvae have eight pairs of retractable dorsal tubercles with tiny little hooks that help the larvae hang and move on the web threads after the spider dies. These results indicate that the immature stages of E. unilabiana present the same basic morphological and behavioral characteristics already known for the species of the group. However, the last stage larva's strategy of moving first to hang on the web threads before killing the spider is the first record in the group and more studies are needed to assess whether this behavior is adaptive for the wasp. | es_CL |
| dc.language.iso | en | es_CL |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Chile | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ | * |
| dc.source | Entomological Science, 27(4), e12589 | es_CL |
| dc.subject | Atlantic forest | es_CL |
| dc.subject | Behavior | es_CL |
| dc.subject | Pimplinae | es_CL |
| dc.subject | Polysphincta genus group | es_CL |
| dc.subject | Sheet web spider | es_CL |
| dc.title | Immature stages and natural history of Eruga unilabiana (Hymenoptera: Ichneumonidae), an ectoparasitoid of two linyphiid spiders | es_CL |
| dc.type | Article | es_CL |
| dc.ucm.indexacion | Scopus | es_CL |
| dc.ucm.indexacion | Isi | es_CL |
| dc.ucm.uri | wiley.ucm.elogim.com/doi/10.1111/ens.12589 | es_CL |
| dc.ucm.doi | doi.com/10.1111/ens.12589 | es_CL |
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