THE CANADIAN ENTOMOLOGIST. 61 



on high-bush blueberry and Spircea at Lawrence, and on white birch at 

 Methuen, Mass. Native. 



Pulvinaria Cockerelli, King, 1899. A common species on Spircea 

 salicifolia and Prinos verticillatus at Lawrence and Methuen, Mass. 

 Native. 



Pulvinaria acericola, YV. and R., 1868. This was found by Dr. 

 Dimmock at Springfield, Mass., on maple in deep woods. Native. 



Pulvinaria phaics, Lull, 1899 (probably identical with P. jloccifcra, 

 Westw.), was found by Mr. Cooley in the college greenhouse at Amherst, 

 Mass., on orchid (Phaius maculatus). Introduced. 



Aspidiotus abietis, Schr. A. pini is the same. This was found on 

 pine at Forest Hills, Mass. (Mus. Comp. Zool.). It was communicated 

 by Mr. Samuel Henshaw to Mr. Cockerell. Introduced. 



Aspidiotus rapax, Comst., 1881. Found on Coprosma Baueriana at 

 the Harvard botanical garden, Cambridge, Mass. Native. 



Aspidiotus Britannicus, Newst., 1898. Described from England in 

 1898, and the same year was found at Salem, Oregon, on holly, and in 

 1900 found in abundance on holly at the public gardens, Boston, Mass. 

 Introduced. 



Aspidiotus juglans-regice, Comst., 1881, was found on English walnut 

 at Methuen, Mass. Native. 



Aspidiotus latanice, Sign., 1869, was found on an unknown plant in 

 the greenhouse of the Harvard botanical garden, Cambridge, Mass. 

 Introduced. 



Diaspis carueli, Targ., 1S68. Very abundant on Juniperus sphcerica 

 at Fort Hills, Mass. Coll. S. Henshaw and by the writer on Thuja occi- 

 dentalis at the Boston public gardens, and was previously found by Mr. 

 J. G. Jack at Jamaica Plain, Mass., on Juniperus sphcerica. Introduced. 



Diaspis minima, Targ., was found on Biota ( Thuja) orientalis in the 

 Harvard botanical garden, Cambridge, Mass. The tree is a native of 

 China, and the scale is new to North America. Introduced. 



Diaspis cacti, Comst., 1883. This has been found on the plants in 

 the greenhouse of the Agricultural College at Amherst, Mass. Probably 

 introduced. 



Chionaspiscorni, Cooley, 1899. Found at Reading, Mass., on Cortius 

 paniculata and C. alternifolia. Probably native. 



Chionaspis salicis-nigrce, Walsh, 1867. A common species found at 

 Huntington, Bedford, Maiden and Lawrence, Mass. Its food-plant is 



