198 THE COCCID.VE 



dd. Body not gibbous or humped. 



e. Surface of body not speckled with black, color lively 

 ochreous, with bands and spots of dark brown and black, 

 hind part with numerous pits. — Kansas on Quercus 



macrocarpa. concimdua Ckll. 



ee. Surface of body speckled. 



f. Body with definite specks and other coloring but not ar- 

 ranged in transverse rows. 



g. Body not globular, somewhat transverse, median 

 furrow forming rather broad black or dark brown 

 band, generally crossed by narrow blackish or 

 brownish transverse lines of various length, between 

 lines several black specks as large as pin heads, en- 

 tire surface covered with minute black specks, color 

 white marbled with gray, turning to nearly white, 

 light lemon yellow in museum specimens. — Massa- 

 chusetts on Quercus rubra sassceri King. 



gg. Body globular, not very pale ochreous, speckled all 

 over with minute black specks, with more or less 

 pallid transverse bands, median constriction obscure: 

 4.5 mm. long and 5.5 mm. broad and 4 mm. high. — 



California on Quercus nigropunctatus Ehro. 



ff. Body with specks and other coloring arranged in trans- 

 verse rows. 



g. Body small, 4 mm. long and 4 mm. broad and 3.5 

 mm. high; french yellow in color with black spots 

 and obscure black specks; median constriction 

 marked by dark line, with distinct rows of black 

 spots. — New York, Indiana, Massachusetts, Canada, 



Ohio on Quercus alba and Quercus rubra 



pettiti Ehrh. 

 gg. Body large, at least 5 mm. long and 6 mm. broad. 



h. Body varying in color from bright argillaceous to 

 dull gray, more or less conspicuously speckled 

 with black with bands of dark spots; median 

 constriction crossed more or less by dark lines, 

 a rounded dark spot on each side of front and 

 elongated blotch a short distance above and be- 

 low anal opening; 5.5 mm. long and 6 mm. broad 

 and 4.5 mm. high. — East Rocky Mountains on 

 Quercus nigra. tnnotatus Bogue. 



hh. Body varying from light cream color to nearly 

 white, often with bluish cast, with four broad 

 transverse bands of light yellowish brown, sur- 

 face thickly covered with minute black specks; 

 median constriction very disitinct on caudal por- 

 tion; 5 mm. long and 6 mm. wide and 5 mm. high. 



— California on Quercus chrysolepsis 



hranagani King. 



