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21 September 2016 Survey of Twig-Inhabiting Coleoptera in Louisiana, USA
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Abstract

Twigs are an understudied habitat utilized by many beetle species. Samples of twigs were collected in all six Level III Ecoregions in Louisiana during April and May 2013. The twigs were maintained in emergence chambers from which 942 specimens of adult Coleoptera were obtained, representing 31 families, 111 genera, and 128 species. Beetle richness and composition were not significantly different among ecoregions. Three species collected represent new state records: Pseudochoragus nitens (LeConte) (Anthribidae); Dryotribus mimeticus Horn (Curculionidae); and Narthecius grandiceps LeConte (Laemophloeidae). Four non-native species, all Curculionidae, were collected: Cyrtepistomus castaneus (Roelofs) (Entiminae); Cnestus mutilatus (Blandford) (Scolytinae); Xylosandrus crassiusculus (Motschulsky) (Scolytinae); and Xylosandrus germanus (Blandford) (Scolytinae).

Michael L. Ferro and Nhu H. Nguyen "Survey of Twig-Inhabiting Coleoptera in Louisiana, USA," The Coleopterists Bulletin 70(3), 551-558, (21 September 2016). https://doi.org/10.1649/0010-065X-70.3.551
Received: 15 April 2016; Accepted: 1 July 2016; Published: 21 September 2016
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