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A New Nearctic Species of Symballophthalmus Becker (Diptera: Empididae)1

Published online by Cambridge University Press:  31 May 2012

J. G. Chillcott
J. G. Chillcott
Affiliation:
Insect Systematics and Biological Control Unit, Entomology Division, Ottawa, Canada
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Extract

The genus Symballophthalmus Becker, 1889 (= Marcroptera Becker, 1889, preocc.), was erected for Tachydromia dissimilis Fallén (= M. pictipes Becker). This species, known from central and northern Europe, has been the only one definitely referred to the genus.

In 1954 and 1955, two male and two female specimens referable to this genus were collected in the vicinity of a spruce bog near Ottawa, Ontario, and five females were collected in Michigan during several years. These agree very well with the description of the type species except in the bristling of the front legs of the male and in details of the hypopygium.

Type
Articles
Information
The Canadian Entomologist , Volume 90 , Issue 11 , November 1958 , pp. 647 - 649
Copyright
Copyright © Entomological Society of Canada 1958

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References

Becker, Th. 1889. Altes und Neues aus der Schweiz. Wien. Ent. Zeit. 8: 73–84.Google Scholar
Becker, Th. 1889. Berichtigung. Wien Ent. Zeit. 8: 285.Google Scholar
Curran, C. H. 1934. The families and genera of North America Diptera. Ballou Press, New York, N.Y.512 pp.Google Scholar
Melander, A. L. 1927. Diptera. Family Empidae. Genera Insectorum, Fase. 185. 434 pp.Google Scholar