COCCID.E. 351 



eyes. The antennae show seven and sometimes eight joints, and at 

 the junction of the third and fourth joint a curious ball-and-socket 

 arrangement may be seen. The genital armature is comparatively 

 short. The males appear in considerable numbers during October and 

 November, and during the day may be seen actively moving on the 

 bark. 



I found the larvae hatching out in Derbyshire about the latter end 

 of June 1906, and about a fortnight later of the same year in North- 

 umberland. 



Referefices to Literature conmlted. 



Cockerell, T. D. A. Notes on the Geographical Distribution of Scale-Insects. 

 Smithsonian Institute. 1895. 



Comstock, J. H. Report on Scale-Insects. 1881. 



Douglas, J. W. Some British and Exotic Coccidyc. E. M. M. 1891. 



Fuller, Claude. Articles in Australian Papers. 



Howard, L. 0., and Marlatt, C. L. The San Jose Scale. U.S.A. Bulletin, No. 3. 

 1896. 



Hunter, S. J. Scale-Insects Injurious to Orchards. University of Kansas, 

 Lawrence. 1898. 



Lea, A. M. Scale-Insects. Western Australia. 1898. 



Lewis, Richard. Papers on Scale-Insects. 



Lounsbury, Chas. P. Coccida; or Scale-Insects. Cape of Good Hope. 1907. 



Maskell, W. M. Scale-Insects of New Zealand. 1887. 



Various papers from 1883. 



Morgan, A. C. F. Scale-Insects. Portugal. 1888. 



Newstead, R. Monograph of the British Coccida;. Ray Society. 2 vols. 

 1900-1902. 



Newstead, R. The Injurious Scale-Insects and Mealy Bugs of the British Isles. 

 Journal of the Royal Horticultural Society. Also separate papers from E. M. M. 

 1891. 



Quaintance, M. S. American Aleurodid;e. 1900. 



Sulc, Karl, Studie o Coccidech. 1895. 



Tryon, Henry. Scale-Insects. Queensland. 1898. 



