. Cutworms and army-worms [microform]. Insect pests; Army-worms; Cutworms; Légionnaires (Chenilles); Insectes nuisibles; Vers gris. 18 yellow, while in others the whole lower and central area of the wings is pale brown- ish yellow; in such examples, the colour along the upper margin is decidedly dark, almost blackish. The wings are crossed with four more or less distinct double wavy lines. The round and kidney-shaped spots are usually distinct, the latter being the darker. The centre of the hind wings is pearly-white, with a purplish reflection, the edges being bordered with brown. The head an
. Cutworms and army-worms [microform]. Insect pests; Army-worms; Cutworms; Légionnaires (Chenilles); Insectes nuisibles; Vers gris. 18 yellow, while in others the whole lower and central area of the wings is pale brown- ish yellow; in such examples, the colour along the upper margin is decidedly dark, almost blackish. The wings are crossed with four more or less distinct double wavy lines. The round and kidney-shaped spots are usually distinct, the latter being the darker. The centre of the hind wings is pearly-white, with a purplish reflection, the edges being bordered with brown. The head and the thorax are of the same colour as the front wings, while the abdomen is much paler and in some examples is covered partly with a whitish down or pubescence. These moths, when the wings arc expanded are from about an inch and a half to nearly two inches in Fi«- 6—The VnricRated Cutworm; a, moth: h, c. <i. caterpillars: «, eg«—piilttrr^d: /, CRgmasson twig. (After Howard.) HaUls and life-history. While this cutworm does not occur e\ cry year in destructive numbers, probably no other species lias done as much damage in a single season. As has already been mentioned, this cutworm has destroyed in one season alone, in Canada and the United Slates, crops having a market value of over two millions of dollars. The species is cosmopolitan in distribution, and, in C^anada, occurs almost everywhere. It has no limited feeding habits, and attacks freely all garden and field crops, and even often does much damage by climbing fruit trees and eating the leaves. It is also occasionally found attacking plants in greenhouses. In 19()0, a phenominal outbreak of this cutworm appeared in Hritish C"olumi)in, the l((s.« in gurdcn crops alone l)eing enormous. Millions of the cateri)illiirs occurred and they fed at all times of the day and night. They were also i)r( .-n-nt in exceptional numbers in Manitoba and (hitario. The attack in that year was first apparent in early J
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
