Economic entomology for the farmer Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges economicentomolo00insmit Year: 1896 Fig. 398. Bee-flies and flower-flies.—a, Bonibylms sp. ; b, Bombylu(s sp. ; c, Antlivax sp. : rf, Eristalis transversus : e, Eristalis tenax ; f, Eristalis saxorum ; g, Syritta pipie)is. Some- what enlarged. From a photograph.


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