NATURAL HISTORY, TORONTO REGION 
city the Sweet Brier, Rosa rubiginosa, L., has been 
practically exterminated by the ravages of Rhodites 
rosae, Linné., which produces on its stems the large 
moss-like galls. 
Solenozopheria vaccinii, Ashmead. Host Vaccin- 
um pennsylvanicum, Lam. Produced as a large reni- 
form swelling of the stem of this blueberry, which is 
almost invariably bent at the point of attachment of 
the gall. 
REFERENCES. 
Cosens, A. A Contribution to the Morphology and 
Biology of Insect Galls. Trans. Can. Inst. 
IX. 1912. 
Beutenmueller, William. Monographs of the Cyni- 
pidae. Amer. Mus. Nat. Hist., 1904-11. 
Jarvis, T. D. Insect Galls of Ontario. Rep. Ent. 
Soe. Ont., 1907-8. 
Patch, E. M. Chermes of Main Conifers. Maine 
Agr. Exp. Sta. Bull. No. 1738, 1909. 
Stebbins, F. A. Insect Galls of Springfield, Mass., 
and Vicinity. Springfield Mus. Nat. His. 
Bull. No. 2, 1909. 
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