Insects injurious to staple crops / by E. Dwight Sanderson.

  • Ezra Dwight Sanderson
Date:
1902
Catalogue details

Licence: In copyright

Credit: Insects injurious to staple crops / by E. Dwight Sanderson. Source: Wellcome Collection.

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    localities in Cuba, Central yVmerica, Panama, Lower and Central California; but the area in which it has been most injurious lies in the Central and North Central States, During the last fire years, however, its attacks have been increasingly wide-spread in Ohio and Kentucky, and in August. 1898, some damage was done by it in Pennsyl- vania and New York. Dexcripiion.—The adult bug is about one-fifth of an inch long, with a black body. Its white wings lie folded over .29-—The Adult Fio. 30.—a, h, eggs magnified and natural Ulimch-bug(i?toMS size; c, young nymph; e, second stage of . leuropierus Say) nymph; /, third stage; g, full-grown en arged. (After nymph or pupa; d, h, j, legs; beak lihey.) through which the bug sucks its food (After Riley.) each other on the back of the abdomen, and are marked by a small black triangle on their outer margins, while the bases of the antennte, or feelers, and the legs are red. The young bugs are mostly rod, but vary in the different stages. LifB-Mstory.~T)Mvmg the winter the bugs hibernate in clumps of grass and under boards and rubbish. With the first warm days of spring they come forth and spread about the neighboring wheat-fields, but there do little harm. Very soon they pair, and the females, each of which is