Ontario Sessional Papers, 1871-72, . Fio. 35 Victcria. Sessional Papers (No. 5). A. 1871-2. This insect, as we have before observed, is especially remarkable for the extraordinarydifiference it exhibits between the male and female moths; the accompanying illustrationswill show this at a glance. Fig. 4 represents the winged male, a dull ashen grey insect, withbeautifully feathered antennae, Fig. 5 (rt) represents the wingless female attached to her cocoon ; (i) a young caterpillarsuspended by a silken thread; (c) the female chrysalis ; ((/) the male chrysalis. In the State of Illinois, D
Ontario Sessional Papers, 1871-72, . Fio. 35 Victcria. Sessional Papers (No. 5). A. 1871-2. This insect, as we have before observed, is especially remarkable for the extraordinarydifiference it exhibits between the male and female moths; the accompanying illustrationswill show this at a glance. Fig. 4 represents the winged male, a dull ashen grey insect, withbeautifully feathered antennae, Fig. 5 (rt) represents the wingless female attached to her cocoon ; (i) a young caterpillarsuspended by a silken thread; (c) the female chrysalis ; ((/) the male chrysalis. In the State of Illinois, Dr. Le Baron relates in his recent Report (page 16) that ofmyriads of cocoons found on and about some apple-trees that had been completely stripped oftheir leaves by these caterpillars, scarcely one out of a hundred had escaped the fatal visita-tion of parasites. -So that the race of caterpillars, so abundant and destructive this year,may be considered as practically exterminnted in this locality. The parasites belonged to anundescribed species of Tachina (T. orgyice, Le Baron), a genus of two-
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Keywords: ., bookauthorontariol, bookcentury1800, bookdecade1870, bookyear1876
