Characterization of the types of the Neotropical Pseudisobrachium (Hymenoptera: Bethylidae), with a key to species

The identity of many Neotropical species of Pseudisobrachium Kieffer, 1904 is currently unreachable, mostly because the available descriptions and illustrations are not sufficiently accurate to allow precise identifications. To help solve the problem, 115 valid species and their junior synonyms were examined. Twelve nomenclatural acts are made, and 110 valid species are recognized for the Neotropical region. Two lectotypes are designated: Pristocera crassicornis Westwood and Pristocera haemorrhoidalis Westwood. Seven new species-group synonyms are proposed: Pseudisobrachium retusum Evans syn. nov. for P. pauxillum Evans; P. cunco Perez syn. nov. for P. erythrocephalum Evans; P. navajo Evans, P. rectangulatum Evans, P. emarginatum Evans and P. foutsi Evans syn. nov. for P. flavinervis Fouts; P. acuminatum Waichert & Azevedo syn. nov. for P. latum Waichert & Azevedo. The following new genus-group synonym is established: Parisobrachium Kieffer syn. nov. for Dissomphalus Ashmead. The following new combination and reinstated name are proposed: Dissomphalus albipes (Kieffer) comb. nov. and nom. rev. from Pseudisobrachium paraguayense Kieffer.

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Bibliographic Details
Main Author: Azevedo,Celso O.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Zoologia 2008
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000400020
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