Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomol00smit Year: 1906 THE INSECT WORLD. 153 powerful beak and sucking their juices. There arc other species of the same general appearance common everywhere, and some even maintain themselves in our cities, feeding upon the larvae injuring shade-trees. I have noticed certain of them in New Brunswick destroying the larvae of the elm-leaf beetle in large Fig. 114. The wheel-bug, Prionidus ciistatus, in all its stages; natural s
Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomol00smit Year: 1906 THE INSECT WORLD. 153 powerful beak and sucking their juices. There arc other species of the same general appearance common everywhere, and some even maintain themselves in our cities, feeding upon the larvae injuring shade-trees. I have noticed certain of them in New Brunswick destroying the larvae of the elm-leaf beetle in large Fig. 114. The wheel-bug, Prionidus ciistatus, in all its stages; natural size. numbers. Taking it altogether, we find in this family mainly forms that are beneficial to the farmer. There are a few other common species, also predaceous in character, but much smaller and more slender than the pre- ceding, belonging to the family Nabidce. Our common species of the genera Nabis and Coriscus are yellowish in color, flat- tened above and rather roughened, with long legs, but other- wise resembling in head and beak the usual predaceous form, except that the beak is longer and more slender. They are found on flowers and leaves, preying upon almost anything that they can conquer.
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