Insect pests of farm, garden and orchard . Fig. 230—The ash-gray blister-beetle Fig. 231.—Nuttalls blister-beetle (Macrobasis unlcolor Khy.): iemale [Cantharis nuttalli) Say: female beetle at right, twice natural size; beetle, enlarged one-third. (After male antenna at left, greatly en- Chittenden, U. S. Dept. Agr.)larged. (After Chittenden, XT, Agr.) similar to that of other species, as the beetles appear about July years following severe outbreaks of grasshoppers. Owing tothe rapidity with which this species works and the large numbers,poisons will be of little avail and mecha
Insect pests of farm, garden and orchard . Fig. 230—The ash-gray blister-beetle Fig. 231.—Nuttalls blister-beetle (Macrobasis unlcolor Khy.): iemale [Cantharis nuttalli) Say: female beetle at right, twice natural size; beetle, enlarged one-third. (After male antenna at left, greatly en- Chittenden, U. S. Dept. Agr.)larged. (After Chittenden, XT, Agr.) similar to that of other species, as the beetles appear about July years following severe outbreaks of grasshoppers. Owing tothe rapidity with which this species works and the large numbers,poisons will be of little avail and mechanical measures must beomploj-ed for their —See page 302. The Bean-aphis f Crowded together in clusters upon the top of the stalksand under side of the leaves of the English bean, the puppydahlia, and several other plants, a small black plant-louse with * Cantharis nuttalli Say. t Aphis rnmlcia Linn. FamWy Aphirlid(F. 318 INSECT PESTS OF FARM, GARDEN AND ORCHARD pale shanks, the pupae with a row of mealy white spo
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912
