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ON TWO NEW CHALCID FLIES FROM FLORIDA, PARASITIC UPON THE LARVÆ OF SYRPHUS FLIES

Published online by Cambridge University Press:  31 May 2012

WM. H. Ashmead
WM. H. Ashmead
Affiliation:
Jacksonville, Fla.
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Extract

Having continued my investigations on Orange Insects, I have made many other discoveries. Among these probably the most interesting is the breeding of two species of Chalcids from the larvæ of Syrphus flies.

Now, as a general rule, the Chalcididæ must be considered beneficial, the majority of them preying upon other insects injurious to the agriculturist, the species belonging to the Eurytomide genus Isosoma, being, I believe, the only vegetable feeders known among them.

Type
Articles
Information
The Canadian Entomologist , Volume 13 , Issue 8 , August 1881 , pp. 170 - 172
Copyright
Copyright © Entomological Society of Canada 1881

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