DESCRIPTION OF THE LARVAL STAGES OF HYDROPORUS (HETEROSTERNUTA) COCHECONIS FALL 1917 (COLEOPTERA: DYTISCIDAE: HYDROPORINAE) WITH A KEY TO THE KNOWN LARVAE OF HETEROSTERNUTA STRAND-Reference-Cited by-同舟云学术

DESCRIPTION OF THE LARVAL STAGES OF HYDROPORUS (HETEROSTERNUTA) COCHECONIS FALL 1917 (COLEOPTERA: DYTISCIDAE: HYDROPORINAE) WITH A KEY TO THE KNOWN LARVAE OF HETEROSTERNUTA STRAND

Published:1992-10 Issue:5 Volume:124 Page:827-840
ISSN:0008-347X
Container-title:The Canadian Entomologist
language:en
Short-container-title:Can Entomol

Author:

Alarie Yves

Abstract

AbstractDescription of structures of all three larval instars of Hydroporus (Heterosternuta) cocheconis Fall 1917 is presented. The chaetotaxy and porotaxy of the cephalic capsule, head appendages, legs, last abdominal segment, and urogomphi are discussed in detail. Hydroporus cocheconis is compared with Hydroporus (Heterosternuta) wickhami Zaitzev 1907. Both species share a very short and constricted siphon; this character state is suggested as a synapomorphy of the subgenus Heterosternuta Strand 1935.

Publisher

Cambridge University Press (CUP)

Subject

Insect Science,Molecular Biology,Physiology,Ecology, Evolution, Behavior and Systematics,Structural Biology

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5. DESCRIPTION OF LARVAE OF 17 NEARCTIC SPECIES OFHYDROPORUSCLAIRVILLE (COLEOPTERA: DYTISCIDAE: HYDROPORINAE) WITH AN ANALYSIS OF THEIR PHYLOGENETIC RELATIONSHIPS

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