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 . COCCID^. 527. (Pseudococcus) cacti (Fig. 527, male, with wingless female,natural size and enlarged) secretes masses of Cochineal fromits body. The males are carmine red, with light brown wings,and the anal setie, or bristles, are two and one-half timeslonger than the body, which is three-fourths of a line long,while the female is one line in length, rounded in form,and covered with a heavy bloom. It lives in Mexico on theCactus coccinellifer, and


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 . COCCID^. 527. (Pseudococcus) cacti (Fig. 527, male, with wingless female,natural size and enlarged) secretes masses of Cochineal fromits body. The males are carmine red, with light brown wings,and the anal setie, or bristles, are two and one-half timeslonger than the body, which is three-fourths of a line long,while the female is one line in length, rounded in form,and covered with a heavy bloom. It lives in Mexico on theCactus coccinellifer, and has been introduced into Spain andAlgiers and the Madeira islands. Coccus manniparus ofEhreuberg is found at Sanaigrowing on the Tamarix, and pro-duces b} its attacks the gum-likesecretion called manna. Coc-cus lacca Kerr lives in the EastIndies on the Ficus religiosa, andproduces the lac of found on the twigs it iscalled stick lac, but after it has been pounded, and thegreater part of the coloring matter extracted by water, it iscalled seed lac; wiien melted down into cakes after it hasbeen strained and formed into thin scales, lump lac and


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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects