Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . t readily killed by pouring benzine among them, thoughits. use must be much restricted from the disagreeable odorwhich remains, and c its inflammable na-ture. The use of aweak solution of car-bolic acid is also rec-ommended . Tineatapetzella Linn., theCarpet moth, is black-ish at the base of thefore wings, the re-mainder being yellow-ish white, Avhile thehind wings are darkfeeds on carpets, etc. Tinea graneUa Linn. (Fig. 264 natural size, and enla
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . t readily killed by pouring benzine among them, thoughits. use must be much restricted from the disagreeable odorwhich remains, and c its inflammable na-ture. The use of aweak solution of car-bolic acid is also rec-ommended . Tineatapetzella Linn., theCarpet moth, is black-ish at the base of thefore wings, the re-mainder being yellow-ish white, Avhile thehind wings are darkfeeds on carpets, etc. Tinea graneUa Linn. (Fig. 264 natural size, and enlarged,with the wings spread ; (/, larva, natural size and enlarged ; 6,pupa, natural size and enlarged ; c, grains of wheat held together with a firm web) the Grain moth, is found flying ingranaries during the summer. The female lays thirty or moreminute eggs, one or two on each grain of wheat. The whiteworm hatches in a few days, eats its way into the grain, clos-ing the entrance with its castings, and after it has devouredthe interior of one grain, unites others in succession to it, untilit binds together by a fine web a number of them. When. gi-ay. h Fig. 264. ? and the head white. The larva 348 LEPIDOPTERA. nearly full grown they cover the grains with a very thick to Curtis the larvae retire to cracks and crevices inthe floor and walls of the granary, and construct their cocoonsby gnawing the wood and working it up with their web until ithas the form and size of a grain of wheat, wherein it remainsthrough the winter, changing to a chrysalis early in the spring ;while two or three weeks after the moth appears. It is creamywhite, with six brown spots on the costa, and with a longbrown fringe. To prevent its attacks empty granaries shouldbe thoroughly cleansed and whitewashed, or washed with coaloil, and when the moths are flying numbers may be attractedto the flames of a bright light: also when the larvse are at work,the grain should be shovelled over frequently
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
