Insects injurious to fruits . be handled with impunity; it may be found on the trees fromthe middle of July to the end of August. When mature, the caterpillar descends to the ground, and,having buried itself under the surface to the depth of severalinches, prepares a convenient chamber, which it lines with agummy, water-proof cement, and there changes to a chrysalis,as shown in Fig. 172, which is about an inch and a half long, of a dark reddish-browncolor, with a short, thick,projecting tongue-case. Theinsect remains in the groundin this condition until thefollowing June; indeed, oc-casionally
Insects injurious to fruits . be handled with impunity; it may be found on the trees fromthe middle of July to the end of August. When mature, the caterpillar descends to the ground, and,having buried itself under the surface to the depth of severalinches, prepares a convenient chamber, which it lines with agummy, water-proof cement, and there changes to a chrysalis,as shown in Fig. 172, which is about an inch and a half long, of a dark reddish-browncolor, with a short, thick,projecting tongue-case. Theinsect remains in the groundin this condition until thefollowing June; indeed, oc-casionally specimens have been known to remain in this torpidstate until the spring of the second year following. TKe ravages of the plum-tree sphinx are never very ex-tensive, yet it apj)ears at times in some localities in sufficientnumbers to cause annoyance. The denuded twigs promptlyattract the attention of the vigilant fruit-grower, who willsoon search out and exterminate the
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Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880
