Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 232 ELEMENTARY ENTOMOLOGY attention as they flit over rank-growing foliage in damp places. The adults feed on small flies, and the larvae live underground, being either predacious or feeding on decaying vegetable matter. The wasp-flies (Conopidae) should also be mentioned, on account of their close resem- blance to wasps, with which they may readily be confused at first glance, and which they undoubtedly mimic. They are narrow-waisted, the tip of the abdomen is like that of a wasp, and they are often
Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 232 ELEMENTARY ENTOMOLOGY attention as they flit over rank-growing foliage in damp places. The adults feed on small flies, and the larvae live underground, being either predacious or feeding on decaying vegetable matter. The wasp-flies (Conopidae) should also be mentioned, on account of their close resem- blance to wasps, with which they may readily be confused at first glance, and which they undoubtedly mimic. They are narrow-waisted, the tip of the abdomen is like that of a wasp, and they are often banded and colored to heighten the likeness. FIG. 366. A long-legged fly (Psilopo- . 1-11 dinus sipho] *• ne neacl is robust, which has (After Lugger) given them the common name of 'thick-headed flies.' The larvae are parasitic within the bodies of wasps, bumble-bees, and grasshoppers, on which the eggs are laid. The adults feed on nectar and pollen of flowers, over which they may be found hovering. The flower-flies (Syrphidae) are medium- to-large-sized, bright-colored flies which feed upon nectar and pollen of flowers, over which they may be seen to hover, almost motion- less, for several seconds and then to dart off and as quickly return. These flies may be readily recognized by a thicken- ing which looks like a vein extending across the middle of the wing. Our more common species of the genus SyrpJins have the abdo- men marked with alternate bands of black and yellow, and have greenish, bronze, or yellowish bodies. They lay their small, oval, white eggs
Size: 1401px × 1427px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
