Insects injurious to fruits . ious stages. The larva, a, is a hairy caterpillar, brightlyornamented, and about an inch and a quarter long. It is ofa deep velvety black color, with a transverse row of tubercleson each segment, those above being bright red and set in aband of the same color, which extends down each side. Fromeach tubercle there arises a tuft of short, stiff hairs, the upper part of the body being red, while below theyare yellowish or mixed with yellow. On each side of animaginary line drawn down the centre of the back is a row of 326 INSECTS INJURIOUS TO THE STRAWBERRY.
Insects injurious to fruits . ious stages. The larva, a, is a hairy caterpillar, brightlyornamented, and about an inch and a quarter long. It is ofa deep velvety black color, with a transverse row of tubercleson each segment, those above being bright red and set in aband of the same color, which extends down each side. Fromeach tubercle there arises a tuft of short, stiff hairs, the upper part of the body being red, while below theyare yellowish or mixed with yellow. On each side of animaginary line drawn down the centre of the back is a row of 326 INSECTS INJURIOUS TO THE STRAWBERRY. bright-yellow spots, two or more on each segment, and belowth^e, and close to the under surface, a bright-yellow band,deeply indented on each segment. Spiracles white. There arealso a few whitish dots scattered irregularly over the surfaceof the body. This caterpillar is so conspicuous for its beautythat it is sure to attract the attention of every soon as it is full grown, it draws together a few leaves Fia. or other loose material, and, with the aid of some silk, con-structs a rude case (6, Fig, 337), within which it changes toa dark-brown chrysalis. The caterpillars of the fall brood,which become chrysalids early in September, do not producemoths until June following. There are two broods duringthe season, but the members of the early one, being lessabundant, are not so often seen as those of the later brood. The moth, which is represented at c in the figure, is a veryplain-looking insect. Its fore wings are gray, with a row ofblackish dots along the hind border. A broken, blackish,zigzag line, sometimes indistinct, crosses the wing beyond themiddle, and there are some darker grayish spots about themiddle of the wing; the hind wings are white. ATTACKING THE LEAVES. 327 This caterpillar is not confiued to the strawberry, but feedsalso on the leaves of the grape, apple, j)each, raspberry,willow, and on the common smart-weed, Polygonum jpuno-tatum. Being such
Size: 1606px × 1557px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests