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TWO NEW NEARCTIC SILVIUS (DIPTERA)

Published online by Cambridge University Press:  31 May 2012

L. L. Pechuman
L. L. Pechuman
Affiliation:
Cornell University, Ithaca, N.Y.
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Extract

Female. Length. 9.6 mm.

Head. Frontoclypeus and cheeks grayish white pollinose with rather long white hairs which are quite dense below; a small area in center of frontoclypeus denuded; also two very small denuded areas on the lower portion of each cheek; front above antennae grayish white pollinose shading to yellowish brown toward the vertex; front and vertex with many long black hairs. Frontal callosity brownish black and somewhat shining; about one half width of front.

Type
Articles
Information
The Canadian Entomologist , Volume 70 , Issue 8 , August 1938 , pp. 165 - 171
Copyright
Copyright © Entomological Society of Canada 1938

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References

* This species is named for Dr. Cornelius B. Philip who has in many ways done much to further the writer's interest in the Tabanidae.

1 Brennan, J. M.The Pangoniinae of nearetie America (Tabanidae, Diptera). Univ. Kansas Sci. Bul. 22, No. 13: 249–401. 1935.Google Scholar

2 Philip, C. B.Notes on certain males of North Americain horseflies (Tabbanidae). Bul. Brooklyn Ent. Soc. 31: 189–197. 1926.Google Scholar