Insects injurious to fruits . the same color along each side;the under surface of the body is dark also. When mature,it seeks some sheltered nook or cranny in which to pass thechrysalis state, and, having found a suitable location, proceedsto divest its body of the hairy covering, and with this woventogether by silken threads it constructs a slight cocoon, withinwhich the chrysalis is formed, of a chestnut-brown color, asshown at b in the figure. Thereare at least two broods of thisinsect each year, and thesebroods so intermingle that theinsect may almost always befound in one or other of itss
Insects injurious to fruits . the same color along each side;the under surface of the body is dark also. When mature,it seeks some sheltered nook or cranny in which to pass thechrysalis state, and, having found a suitable location, proceedsto divest its body of the hairy covering, and with this woventogether by silken threads it constructs a slight cocoon, withinwhich the chrysalis is formed, of a chestnut-brown color, asshown at b in the figure. Thereare at least two broods of thisinsect each year, and thesebroods so intermingle that theinsect may almost always befound in one or other of itsstages from May to October. This species is subject to theattack of several kinds of Ich-neumon flies, which destroy im-mense numbers of them everyyear; one of these, Ophion bi-lineatus Say, is represented in Fig. 282. Were it not forthese friendly agencies constantly at work the common woolly-bears would soon become very destructive. As it is, they aresometimes very injurious; when this is the case, hand-picking 18 Fig.
Size: 1655px × 1510px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests