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VARIATION IN THE NORTH AMERICAN ODYNERUS (RYGCHIUM) DORSALIS (FABRICIUS) (HYMENOPTERA, VESPIDAE)

Published online by Cambridge University Press:  31 May 2012

J. Bequaert
J. Bequaert
Affiliation:
Museum of Comparative Zoölogy, Cambridge, Mass.
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Extract

Odynerus dorsalis, one of the largest of North American Eumenine wasps, may be recognized by the following characters.

Clypeus of female about one and one-third times as wide as long, the straight apical margin about one-fourth of the grearest width, with slight, blunt edges, the surface flattened medially and with scattering, medium-sized punctures; of male, slightly wider than long, the apical margin very slightly curved inward or almost straight, with the edges more prominent and sharper than in the female, the surface flattened medially and much more sparsely punctate than in the female.

Type
Articles
Information
The Canadian Entomologist , Volume 72 , Issue 3 , March 1940 , pp. 52 - 55
Copyright
Copyright © Entomological Society of Canada 1940

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References

* The exact status of the several names found in the literature for color forms of O. annulatus remains to be worked out. In addition to those here used at least the following will have to be considered: O. bairdi de Saussure: O. geminus Cresson; O. annulatus var. oslari Cameron; and possibly O. sulphureus de Saussutre.