. Jardin de légumes de manuel-insectes. est un plus ou moins distinctes les vers-gris foncé et de l'armée-WORMS 263 stripe fonctionnant par les ouïes en dessous de laquelle le isdecidedly couleur plus léger que ci-dessus. La nymphose a lieu en sol. La chrysalide est f pouce de longueur et d'une mahoganybrown. La période nymphale varie de deux à quatre semaines. Les papillons sont sur l'aile de fin mai à octobre andapparently appartiennent à deux couvées qui se chevauchent. Le mothhas^ une étendue de 1 à 2 pouces (Fig. 154). Le wingsare avant violacé riche au brun rougeâtre. Les réniformes spotis généralement teinté de rougeâtre. À partir de ce spo

• Contributeur: The Reading Room / Alamy Banque D'Images
• ID de l’image: 2AGEJ3A
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• Dimensions: 1935 x 1292 px | 32,8 x 21,9 cm | 12,9 x 8,6 inches | 150dpi

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. Manual of vegetable-garden insects. is a more or less distinct dark CUTWORMS AND ARMY-WORMS 263 stripe running through the spiracles below which the color isdecidedly lighter than above. Pupation takes place in theground. The pupa is f inch in length and of a dark mahoganybrown. The pupal period varies from two to four weeks. The moths are on the wing from late May to October andapparently belong to two overlapping broods. The mothhas an expanse of 1^ to 2 inches (Fig. 154). The front wingsare rich purplish to reddish brown. The kidney-shaped spotis usually tinged with reddish. From this spot there extendstowards the base of thewing a black bar deeplyincised by a triangularlight area which oftenextends to the front marginof the wing. The hindwings are smoky, darkeralong the outer margin. The moth deposits hereggs singly, in rows, or incompact clusters of 200 ormore on leaves. The egg is hemispherical in shape, stronglyribbed, almost transparent and is about ^ inch in diameter.There are probably two generations annually.. Fig. 154. The spotted cutworm moth(iiiitunil size). References U. S. Div. Ent. Bull. 27, pp. .54-.59. 1901.Dept. Agr. Canada Ent. Bull. 10, pp. 23-24. 1915. The Well-^Iarked CutavormNoctua clandestina Harris This cutworm is distributed from Nova Scotia to IVIissouriand Colorado, and northward. It also occurs in Greenlandand Kamchatka. It has been reported as injuring the follow-ing crops: corn, buckwheat, wheat, cabbage, cauliflower, bean, 264 MANUAL OF VEGETABLE-GARDEN INSECTS pumpkin and other vegetables. As a climbing cutworm, itattacks apple, currant and gooseberry. Among its wild foodplants are included soft maple, box elder and wild endive. These insects hibernate as partly grown caterpillars whichbecome mature during May and June. The caterpillar is If inches in length and is Fig. 155. The well-marked cutworm(X U). easily recognized by a doublerow of distinct, oblique, black spots on the backof the abdominal segments (Fig. 155). The rows of

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• bookcentury1900
• bookdecade1910
• bookpublishernewyo
• bookyear1918