Circular - Oklahoma Agricultural and Mechanical College and Experiment Station, Extension Division Volume 8-70

Circular - Oklahoma Agricultural and Mechanical College and Experiment Station, Extension Division Volume 8-70

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...color of the beetle is dull red, variegated with yellow and gray, soft, short hairs. It may be distinguished from the similar species by the. strongly scalloped or comb-like antennae of the male and the elevated white lobes at the base of the thorax. (See Fig. 38.)--', yi Figure 38.--Cowpea Weevil, a, adult male, post-embryonic larva; d, front view of head of same; e, thoracic leg of same; a much enlarged, be more enlarged. (From Dr. F. H. Chittenden, U. S-Bureau of Entomology.) il Remedies.--Fumigation or application of heat. ( See Nos. 8. 9 and 14, pages 7 and 8.) Green Soldier Dug ( Nesara hilaris, Say.) The Green Soldier Bug (see Fig. 39) is about the same size as the harlequin cabbage bug and injures plants in the same way: that is, by sucking their sap. The females deposit many eggs in clusters, generally on the under side of the leaves of the plants infested. At the time of hatching the eggs are of a verniillion color. The nymphs which hatch from the eggs are almost black, but as they grow their color changes until finally it becomes green in the adult stage. About three broods occur in a single season, and oftentimes do serious damage in the fall of the year, especially further south, to such crops as late potatoes. When numerous they will attack all garden crops, possibly except sweet potatoes. I have seen them attack corn in the roasting-ear bypiercing the husks with their long threadlike mouth parts and sucking the milk until the ear was ruined. Their attack on the potato or pea vine results in a wilting of that part beyond the base from where they puncture it. When general outbreak of these bugs occurs it is too late to apply any known remedy. Remedies.--Largely preventive. (See treatment advised for harlequin bug.) The...show more

Product details

  • Paperback | 162 pages
  • 189 x 246 x 9mm | 299g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236757742
  • 9781236757746