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TACHYTRECHUS STUDIES (DOLICHOPODIDAE, DIPTERA)*

Published online by Cambridge University Press:  31 May 2012

F. C. Harmston
Affiliation:
Logan, Utah.
G. F. Knowlton
Affiliation:
Logan, Utah.

Extract

Male. Length 6.5 mm.; of wing 4.8 mm. Face narrow immediately below antennae, thickly covered with bright golden pollen; proboscis black; palpi dark brown bearing fine black hair and lightly dusted with yellowish pollen; antennae yellow; first joint large with a black stripe along upper outer edge and covered with short, stiff black hairs, second joint small, yellow, third joint small, decumbent, black on apical half; arista black, about one and one-half times length of face, lamella (fig. 4) at tip with an elliptical white spot on upper side near base; front black with bluish reflections, especially along the orbits; ocellar bristles black, hair near proboscis whitish.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1940

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References

* Contribution from the Department of Entomology, Utah Agricultural Experiment Station.