Insects injuring stored food products in Connecticut . Figure 4. Pea weevil, adult beetle, four times enlarged. tive immunity from attack but in the writers experience lateplanted peas seldom produce a satisfactory crop here. Hence itis better to treat the seed soon after harvesting, and to makeallowance in planting for a certain percentage of injured insect is shown in figure 4. The Common Bean Weevil, Bruchus obtectus is probably the greatest enemy of beans in though in size somewhat smaller than the pea weevil and. Figure 5. Common bean wee-vil. Adult beet
Insects injuring stored food products in Connecticut . Figure 4. Pea weevil, adult beetle, four times enlarged. tive immunity from attack but in the writers experience lateplanted peas seldom produce a satisfactory crop here. Hence itis better to treat the seed soon after harvesting, and to makeallowance in planting for a certain percentage of injured insect is shown in figure 4. The Common Bean Weevil, Bruchus obtectus is probably the greatest enemy of beans in though in size somewhat smaller than the pea weevil and. Figure 5. Common bean wee-vil. Adult beetles, four timesenlarged. Figure 6. Infested cow eggs and exil holes oibean weevil, natural size. THE DRUG STORE BEETLE. 7 resembling it in color and markings, it differs from it by con-tinuing to breed in the dry, stored seed. There are six genera-tions annually in the District of Columbia, and a smaller numberin the northern states. Stored beans are often entirely destroyed,or at least rendered unfit for planting, or as food for man orbeast. The beans often have several holes in each where theadults have emerged, and as many as 28 have been found in asingle seed. Severely weeviled beans are almost useless forplanting, but the good seed may be separated from the infestedseed by throwing into water. The injured seed will float andmay be discarded. This beetle and its work are shown infigures 5 and 6. The Four-Spotted Bean Weevil, Britclius quadrimaculatus species is somewhat more slender than the preceding andhas different
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