No. 34.] HEMIPTERA OF CONNECTICUT: COCCIDAE. 365 



Scale of male: Length .6-.8 mm. ; white, exuviae pale brown or 

 colorless. Scale oval without carinae. 



Occurs on poplar, willow and butternut. Has not been taken 

 in Connecticut but has been recorded from Massachusetts and 

 doubtless occurs here. 

 G. pinifoliae (Fitch). Pine leaf scale. (PI. xiv, 5.) 



Rept. Ins. N. Y., ii, 488, 1855. 



Scale of female : Length 3-4 mm., very convex, sides nearly 

 parallel, broadened somewhat posteriorly, though varying in shape 

 according to width of leaf of the host. Snow white, with exuviae 

 bright orange or brown. 



Female: Median lobes broadly rounded, separated, striate and 

 entire. Median group of circumgenital gland-orifices 7-13; 

 anterior lateral, 12-20; posterior lateral, 14-18. 



Scale of male: Length i-i.3mm. ; white, exuviae pale yellow, 

 shape ellipsoidal, slightly broadened posteriorly, tricarinate. 



There are two generations each year, though not easily dis- 

 tinguished. Native on the leaves of various species of pine and 

 spruce in the eastern United States, often injuring seedlings and 

 small trees. Occurs throughout the state. 



Hartford, 19 Oct, 1903, 12 Sept., 1905, 5 Feb., 1908, 6 Apr., 1910, 20 

 Sept., 1916, 20 Sept., 1917, 24, 27 Sept., 1918, 5 Sept., 3, 4 Oct., 1919; New 

 Haven, 29 June, 1908, 26 Aug., 25 Oct., 1909, 31 Jan., 1913, 23 May, 1914, 

 3 June, 1919; Manchester, 15 Aug., 1918, Aug., 1919; South Manchester, 



27 May, 1902, 3, 21 Aug., 1909; 18 March, 1914; Thompson, 14 Apr., 1906; 

 Rainbow, 10 June, 1907; Riverside, 28 Sept., 191 1; Greenwich, 2 Oct., 

 1912, 15 Jan., 1919; Cos Cob, 2 Aug., 1913, 12 June, 1914; New Canaan, 

 13 Nov., 1912; Avon, 5 Oct., 1915; Bridgeport, 24 Nov., 1915; Bristol, 4 

 Oct., 1916, 11 Oct., 1918; Stamford, 1 Oct., 1917; Cromwell, 21 Aug., 1918; 

 Wallingford, 30 July, 1918; Meriden, 20 May, 1921, 5 Nov., 1920; Sharon, 



28 July, 1921 ; Simsbury, 21 Jan., 1921 ; Rockville, 17 Sept., 1921 ; Danielson, 

 15 June, 1922. 



C pinifoliae var. heterophyllae Cooley. 



Can. Ent, xxix, 281, 1897. 



Indistinguishable from pinifoliae except by the lobes of the 

 pygidium of the female. The median lobes are small, narrowly 

 rounded and diverging, forming a notch in the margin of the 

 pygidium. 



Occurs on Pinus heterophylla and P. mitis in Florida, and has 

 been recorded from Rhode Island on P. sylvestris. 

 C. salicis-nigrae (Walsh), erroneously salicis, an European 

 species. 



Rept. Ins. 111., i, 40, 1868. 



Scale of female: Length 2.5-4 mm. ; white, exuviae yellowish 

 brown, elongated pyriform, broadest near the middle, distinctly 

 convex. 



Female : Median lobes short, broadly rounded, entire or faintly 

 serrate. Median group of circumgenital gland-orifices 21-36; 

 anterior lateral, 31-45; posterior lateral, 28-32. 



