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NATIIRAL HISTORY, TORONTO REGION Aphididae (Plant Lice)—(Continued).

Chermes similis, Gillette.

Hormaphis hamamelidis, Fitch.

,,

spinosus, Shiner.

Pemphigus imbricator, Fitch.

populicaulis, Fitch.

tessellata, Fitch.

ulmi-fusus, Walsh.

,,   vagabundus, Walsh. Colopha ulmicola, Fitch.

Schizoneura lanigera, Hartig. Aleyrodidae (Aleyrodes).

Aleyrodes forbesi, Ashm. (Jarvis). Coccidae (Scale Insects).

Orthezia insignis, Dougl.

Kermes pettiti, Ehrh.

pubescens, Bogue. Gossyparia spuria, Mod.

Pseudacoccus citri, Risso. Pulvinaria innumerabilis, Rathv. Coccus hesperidum, Linn. Eulecanium quercifex, Fitch.

,,

cerasifex, Fitch.

vini, Bouche. Physakermes piceae, Schr. Chionaspis furfura, Fitch.

pinifoliae, Fitch. Aspidiotus aesculi, Johns.

ancylus, Putn.

osborni, Newell & Ckll.

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