Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 396. Lysiphlebus tritici, male, the vvasplike parasite of the green-bug. (Very much enlarged) i After S. J. Hunter) which has been so destructive to grain in the southwest; this par- asite also attacks many other commonly injurious aphides. Larvae of the large green tobacco or tomato worm (Phlegethontius quinque- macnlata (Fig. 333) are frequently found covered with what appear to be small silken eggs. These are the cocoons of little braconids of the genus Apanteles which have devel- oped within


Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 396. Lysiphlebus tritici, male, the vvasplike parasite of the green-bug. (Very much enlarged) i After S. J. Hunter) which has been so destructive to grain in the southwest; this par- asite also attacks many other commonly injurious aphides. Larvae of the large green tobacco or tomato worm (Phlegethontius quinque- macnlata (Fig. 333) are frequently found covered with what appear to be small silken eggs. These are the cocoons of little braconids of the genus Apanteles which have devel- oped within the cat- FIG. 397. Lysiphlebus parasite in act of depositing eggs in the body of a grain aphis. (Much enlarged) body. Not (After Webster, United States Department of Agriculture)


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