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Type: Article
Published: 2017-09-01
Page range: 185–190
Abstract views: 57
PDF downloaded: 3

Rediscovery of Pseudosinopla canaliculus (Reed, 1898) (Hemiptera: Heteroptera: Acanthosomatidae) with comments on its tribal classification and biogeography of South American Blaudusini

Entomology Department, School of Natural Resource Sciences, North Dakota State University, Dept. 7650, P.O. Box 6050; Fargo, ND, USA. Instituto de la Patagonia, Universidad de Magallanes, Av. Bulnes, 01855 Punta Arenas, CHILE.
Entomology Department, School of Natural Resource Sciences, North Dakota State University, Dept. 7650, P.O. Box 6050; Fargo, ND, USA. Instituto de la Patagonia, Universidad de Magallanes, Av. Bulnes, 01855 Punta Arenas, CHILE.
Entomology Department, School of Natural Resource Sciences, North Dakota State University, Dept. 7650, P.O. Box 6050; Fargo, ND, USA.
Hemiptera Acanthosomatidae classification new record female genitalia Chile

Abstract

Although the knowledge of South American Acanthosomatidae has increased in the past decade, still little is known about the features or natural history of several genera. Pseudosinopla canaliculus (Reed, 1898) is a rare Acanthosomatid, known so far only from its type. In this work, rediscovery of P. canaliculus in the regions Araucania and Los Rios in Chile is reported. Part of the internal female genitalia is described. The classification of Pseudosinopla within the Acanthosomatidae is analyzed resulting in the genus being transferred from the Lanopini to Blaudusini. Additionally, the biogeography and phylogenetic relationships of the group are discussed. It is hypothesized that Pseudosinopla forms part of a Gondwanian relict. And that similarly to other heteropterans, the association among several acanthosomatids with Nothofagus Blume forests has shaped the evolutionary patterns of the group. Finally, a nomenclatural note on the Blaudusinae is provided.

 

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