Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] HYMENOPTERA 251 leaves the swollen skin of the aphis through a round hole. Often whole colonies of aphides will be found to have been thus parasi- tized. One little species (Lysiphlcbns tritici) has been principally responsible for subjugating the green-bug, or southern grain aphis, 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 com
Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] HYMENOPTERA 251 leaves the swollen skin of the aphis through a round hole. Often whole colonies of aphides will be found to have been thus parasi- tized. One little species (Lysiphlcbns tritici) has been principally responsible for subjugating the green-bug, or southern grain aphis, 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
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