330 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



C. cooleyi Gillette. (PI. xi, 6.) 



Proc. Acad. Nat. Sci. Phila., 3, 1907. 



New Haven, 6, 10 Aug., 1917, Aug., Sept., 1919; Branford, 28 Sept., 

 1916; Norwalk, 12 Sept., 1917; New Canaan, Aug., Sept., 1912. 



C. floccus Patch. 



Psyche, xvi, 137, 1909. 

 C. lariciatus Patch. 



Psyche, xvi, 137, 1909. 

 C. pinicorticis (Fitch). Coccus pinicorticis Fitch. Chermes 

 pinifoliae Shimer not Fitch. Pine bark aphid. (PI. viii, 5.) 



Nox. and Ben. Ins. N. Y., i, 167, 1855. 



On trunk of white pine in flocculent masses. 



New Haven, 8 May, 1907; Middletown, 11 June, 1907; Greenwich, 4 

 Oct., 191 1 ; Sharon, 6 July, 1912; Saugatuck, 14 Oct., 1912; Middletown, 

 28 May, 1912; Greenwich, 13 June, 1913; Danbury, 6 June, 1914; River- 

 side, 22 June, 1915; Deep River, 13, 14 July, 1915; Rainbow, 3 June, 1914 

 (B. H. W.). 



C. pinifoliae Fitch. C. ahieticolens Thomas. 



Nox. and Ben. Ins. N. Y., iv, 741, 1858. 



On pine, Middletown, 22 June, 1911; black spruce, Stamford, 11 July, 

 1913. 

 C. similis Gillette. 



Proc. Acad. Nat. Sci. Phila., 15, 1907. 

 C. strobilobius Kaltenbach. C. consolidatusVditQh^ (PI. viii, 6.) 



Mon. der Pflanz., 203, 1843. 



On larch, Middletown, 25 June, 1907; on spruce, New Haven, 10 June, 

 1904 (B. H. W.). 



Phylloxera Boyer. 

 (Fig. 28, 10.) 



Key to Species. 



1. Developing on Carya 2 



Developing on Castanea castaneae 



Developing on Vitis vitifoliae 



2. Developing in globular gall on young twig, petiole or midrib of leaf 



caryaecaulis 

 Developing in thin paper-like gall on leaf foveola 



For literature on Phylloxera see Pergande (1903). 

 P. caryaecaulis Fitch. Hickory gall aphid. (PI. xi, 5.) 



Nox. and Ben. Ins. N. Y., i, 155, 1855. 



On hickory. New Preston, 8 June, 1903; Norwalk, 21 June, 1904; 28 June, 

 1912; Hartford, 6 June, 1906, 15 June, 1909; Collinsville, 24 June, 1908; 

 New Haven, 14 June, 1909, 8 Apr., 1914; New Britain, 28 June, 1910; 

 Winsted, 16 June. 191 1; Salisbury, 22 June, 1912; Stamford, 3 June, 1913; 

 Glastonbury, 11 June, 1914; Waterbury, 16 June, 1914; Sharon, 29 June, 

 1914; Bristol, 9 Sept., 1915. 



