Description of the larva ofCanthyporus kenyensisBilardo & Sanfilippo (Coleoptera: Dytiscidae: Hydroporinae) with implication for the phylogeny of the Hydroporini

1 June 2006

journal article
research article
Published by Taylor & Francis in Aquatic Insects

Vol. 28 (2) , 113-130
https://doi.org/10.1080/01650420600680475

Abstract

Three instars of Canthyporus kenyensis Bilardo & Sanfilippo, 1979 are described. Larvae of C. kenyensis differ from other known larvae of the subfamily Hydroporinae in having the primary procoxal seta CO7 articulated distally. A parsimony analysis of selected taxa of Hydroporinae based on 19 informative larval characters was conducted using the program PAUP∗. The six most parsimonious trees support a placement of Canthyporus Zimmermann outside the tribe Hydroporini based on the fully sclerotised abdominal segment 6 and the absence of the primary seta UR8.

Keywords

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