. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. i^^ig- Fig. 5. Of insects injurious to forest trees mention may be made of two small caterpillars which have been attacking the maples in some parts of Ontario and Quebec. The first of these InrurvaHa acerijolidla, Hew. is a case-maker, which cuts out round disks of the maple leaf and forms a flat case, inside which it lives. In the autumn it falls to the ground and passes the winter inside its case as a pupa. The tiny steel-blue moths, with orange collars, emerge the following spring. The othe


. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. i^^ig- Fig. 5. Of insects injurious to forest trees mention may be made of two small caterpillars which have been attacking the maples in some parts of Ontario and Quebec. The first of these InrurvaHa acerijolidla, Hew. is a case-maker, which cuts out round disks of the maple leaf and forms a flat case, inside which it lives. In the autumn it falls to the ground and passes the winter inside its case as a pupa. The tiny steel-blue moths, with orange collars, emerge the following spring. The other is the species which has been mentioned by Mr. Fyles, possibly Catastega aceriella, Clem. The larva forms a tent between the two surfaces of the leaf and lives inside a tube made out of its own frass. This tube starts close to the petiole and gradually enlarges as the larva grows, until it. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872