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Issue: Vol. 4272 No. 3: 30 May 2017
Type: Article
Published: 2017-05-30
DOI: 10.11646/zootaxa.4272.3.8
Page range: 430–438
Abstract views: 79
PDF downloaded: 2

A survey for potential biological control agents of Pereskia aculeata Miller (Cactaceae) in Brazil reveals two new species of Horismenus Walker (Hymenoptera: Eulophidae)

Laboratório de Entomologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, 69920-900, Rio Branco, Acre, Brazil
Instituto Biológico/APTA, 13101-680, Campinas, São Paulo, Brazil
Museum of Biology (Entomology), Lund University, Lund, Sweden Scientific Associate, the Natural History Museum, London, United Kingdom
Fundação Universidade Regional de Blumenau, 89012-900, Blumenau, Santa Catarina, Brazil
Fundação Universidade Regional de Blumenau, 89012-900, Blumenau, Santa Catarina, Brazil
Hymenoptera natural enemy parasitoid Entedoninae

Abstract

This paper deals with the description of two new species of Horismenus Walker (Hymenoptera: Eulophidae) from Brazil, parasitoids of larvae of Adetus analis (Haldeman) (Coleoptera: Cerambycidae). Both species are similar to Horismenus steirastomae (Girault), a species that also parasitizes cerambycids. Adetus analis is a pest of Sechium edule (Jacq.) Swartz (Cucurbitaceae), a minor crop in Brazil, Argentina and U.S.A., but also feeds in stems of Pereskia aculeata Miller (Cactaceae), an ornamental plant that has become a problematic weed species in Africa, where it was introduced. The two new Horismenus species are described, diagnosed, and compared to H. steirastomae.

 

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