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Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners

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Alpheus Spring Packard

Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners

Paperback (RareBooksClub.com May 16, 2012)
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 Excerpt: ...just above the legs is succeeded by a dark one, then a light one edged with two thread-lines; while the upper part of the body is dark, with an interrupted white thread running along the middle of the back. The moth is rusty, grayish-brown, sprinkled with black specks; and the species is called unipuncta from the single white discal dot of the fore wings. Remedies.--The best preventive remedy is to burn meadows and grass-lands, where the eggs are laid, in autumn. When the armies are in motion and threaten a field of wheat, the latter should be protected by a deep trench with steep or undermining sides, in which fires are kindled or kerosene is poured. The use of the ditches may be supplemented by dusting the grass or wheat for a few feet on each side of the ditch with Paris green. The Wheat-head Army-worm (Leucania albilinea).--This caterpillar injures the heads of wheat, rye, and barley, beginning at the base, sometimes at the centre of the ear, sometimes hollowing out the soft grains, leaving nothing but the shell and the chaff. The caterpillar is like the foregoing species, but is striped with sulphur-yellow and light and dark brown lines. The insect is common from Maine to Kansas. The Wheat Thrips (Tlirips striates Osborn, Fig. 58).--This is an exceedingly minute, active, long, narrow, leaping insect of a bright yellow or shining black color, occurring in numbers on the heads and stalks in June and July, puncturing and thus exhausting the juices of the kernels, and rendering them dwarfish and shrivelled. Another kind common on wheat in New York, in June, is the threebanded Thrips (Coleothrips trifasciata Fitch). Other wheat-insects are certain species of Oscinis,Chlorops, and Meromyza, which injure the stalks.and leaves. The roots are eaten by tho white...
ISBN
1235998134 / 9781235998133
Pages
112
Weight
7.7 oz.
Dimensions
7.4 x 0.2 in.

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