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1 June 2013 Eucnemid Larvae of the Nearctic Region. Part III: Mature LarvalDescriptions for Three Species of Onichodon Newman, 1838(Coleoptera: Eucnemidae: Macraulacinae: Macraulacini), with Notes on Their Biology
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Abstract

Descriptions and illustrations of the fifth instars of Onichodon canadensis (Brown, 1940), Onichodon orchesides Newman, 1838, and Onichodon rugicollis (Fall, 1928) (Coleoptera: Eucnemidae: Macraulacinae: Macraulacini), all endemic in the Nearctic region, are given. These are the first larval descriptions for the genus Onichodon Newman, 1838. The descriptions are based on larvae collected from pieces of rotten wood. Adults for one of the three species were reared from those pieces placed in plastic bags and associated with preserved larvae found earlier in the field. Identity of O. rugicollis larvae were verified through a comparative study with larval exuviae from a previous project. Biological information is provided and larval morphology is briefly discussed among O. canadensis, O. orchesides, O. rugicollis, and other previously described larvae in other genera.

Robert L. Otto "Eucnemid Larvae of the Nearctic Region. Part III: Mature LarvalDescriptions for Three Species of Onichodon Newman, 1838(Coleoptera: Eucnemidae: Macraulacinae: Macraulacini), with Notes on Their Biology," The Coleopterists Bulletin 67(2), 97-106, (1 June 2013). https://doi.org/10.1649/0010-065X-67.2.97
Received: 5 November 2012; Accepted: 21 March 2013; Published: 1 June 2013
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