Gynomorphic Mandible Morphology in the Dobsonfly,Corydalus cornutus | Zendy

David E. Bowles | Zendy; Atilano ContrerasRamos | Zendy; Robert W. Sites | Zendy

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Gynomorphic Mandible Morphology in the Dobsonfly,Corydalus cornutus

Author(s) -

David E. Bowles,

Atilano ContrerasRamos,

Robert W. Sites

Publication year - 2007

Publication title -

journal of insect science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.551

H-Index - 49

ISSN - 1536-2442

DOI - 10.1673/031.007.2301

Subject(s) - biology , dentition , mandible (arthropod mouthpart) , morphology (biology) , genus , zoology , type locality , variation (astronomy) , evolutionary biology , anatomy , paleontology , physics , astrophysics

Two aberrant males of Corydalus cornutus (L.) (Insecta: Megaloptera), which exhibit unusually short mandibles with discrete dentition, are recorded from a locality in Missouri. Morphological details of the specimens, as well as implications for the overall morphological variation of the genus and species are discussed. The term gynomorphic is suggested as the best descriptor of this case, given that little explanatory information is available to classify these specimens as true gynandromorphs.

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