No. 34-] HEMIPTERA OF CONNECTICUT I COCCIDAE. 38 1 



brown exuviae at one side but is sometimes elongated with exuviae 

 at one end and covering one-third the length of the scale. 



Female : Three pairs of well developed lobes and a rudimentary- 

 fourth pair ; lobes broadest near middle, tapering anteriorly, deeply 

 notched on both margins near apex. Four groups of circum- 

 genital gland-orifices, each group consisting of about 7, but varying 

 from 5-10. 



Scale of male: Long and narrow, not carinated, light gray with 

 darker terminal exuvia. 



Common on orange and lemon trees in greenhouses and on the 

 fruits in markets. 



New Haven, 2.^ Feb., 1906. 

 P. proteus (Curtis). 



Gardener's Chronicle, d'jd, 1843. 



Scale of female: Length i-i.Qmm., elongate ovate, usually nar- 

 rowed posteriorly, sometimes pyriform, strongly convex, pale 

 greenish yellow, subdorsal area often bright orange-yellow, with 

 paler margins. 



Female : Three pairs of lobes, well developed, subequal, strongly 

 trilobate; fourth lobes absent and replaced by broad palmate 

 plates. Four groups of circumgenital gland-orifices; anterior 

 lateral, 5-7; posterior lateral, 4-5. 



Scale of male : Length 9 mm., much elongated, sides parallel, 

 dull yellowish brown; exuviae terminal, pale yellow, with dark 

 green dorsum. 



On citrus and other plants in greenhouses. Has been recorded 

 from New York state. 

 P. zizyphi (Lucas). Coccus zizyphus. 



Bull. Soc. Ent. Fr., i, xxviii, 1853. 



Scale of female : Length 1.25-2 mm., very much elongated, black, 

 opaque, with a narrow whitish supplementary secretion at posterior 

 extremity. Exuviae black, terminal. 



Female: Cephalic segment bears on either side a large pro- 

 jecting tubercle. Four pairs of lobes, three well developed and 

 nearly equal ; they are narrower than in pergandii or proteus and 

 less strongly trilobate. The fourth lobes are narrow and pointed 

 and about half the length of the third. 



Scale of male : Length i mm., very elongate, sides parallel, light 

 brown ; terminal exuviae, black. 



This scale is a native of Europe and occurs on orange, lemon, 

 date palm and Zizyphus; often brought into the United States on 

 imported fruit. 



