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Interspecific Territoriality in Hetaerina americana (Fabricius) and H. titia (Drury) (Odonata: Calopterygidae) with a Preliminary Analysis of the Wing Color Pattern Variation

Published online by Cambridge University Press:  31 May 2012

Clifford Johnson
Clifford Johnson
Affiliation:
Department of Biology, New Mexico Institute of Mining and Technology, Socorro, New Mexico
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Abstract

In its territorial behavior, the “tricolor” form of Hetaerina titia differs markedly from both typical H. titia and H. americana. Territoriality between “tricolor” and americana males is initiated only by the latter, and affects the spatial structure of a breeding population of “tricolor” males. Territoriality between americana and typical titia is initiated by either species, and usually leads to displacement of the americana male; this has no visible effect however on the population structure of americana.

H. titia and the “tricolor” form are suggested as separate species because of: (1) differences in breeding and territorial behavior (in both intra- and interspecific flights), and differential habitat selection by females for opposition. (2) existence of different and consistent female body color patterns and the breeding of these females with their specific male type. (3) the strong likelihood that the male wing color patterns are genetically governed with the implication that genes are not interchanged between titia and “tricolor”.

Type
Articles
Information
The Canadian Entomologist , Volume 95 , Issue 6 , June 1963 , pp. 575 - 582
Copyright
Copyright © Entomological Society of Canada 1963

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