COCCIDAE OF OHIO. 29 
*Diaspis echinocacti cacti Comst. Aspidiotus perniciosus Comst. 
*Aulacaspis pentagona (Targ.) Aspidiotus piceus Sanders. 
Aulacaspis rosae (Bouche). *Aspidiotus rapax Comst. 
*Hemichionaspis aspidistrae (Sign.) Aspidiotus ulmi Johns. 
*Fiorinia fioriniae (Targ.) Aspidiotus uvae Comst. 
Aspidiotus aesculi Johns. *Comstockiella sabalis (Comst.) 
Aspidiotus ancylus (Putn.) *Chrysomphalus aonidum (Linn.) 
Aspidiotus comstocki Johns. *Chrysomphalus aurantii (Mask.) 
*Aspidiotus cyanophylli Sign. *Chrysomphalus dictyospermi 
*Aspidiotus cydoniae crawii Ckll. (Morg.) 
Aspidiotus forbesi Johns. Chrysomphalus obscurus (Comst.) 
Aspidiotus glanduliferus Ckll. *Lepidosaphes beckii (Newm.) 
*Aspidiotus hederae (Vall.) *Lepidosaphes gloverii (Pack.) 
Aspidiotus juglans-regiae Comst. Lepidosavhes ulmi (Linn.) 
*Aspidiotus lataniae Sign. *Parlatoria pergandii Comst. 
Aspidiotus osborni Newell & Ckll.*Parlatoria zizyphus (Lucas). 
Aspidiotus ostreaeformis Curt. 
KEY TO THE SUB-FAMILIES AND GENERA 
Family COCCIDAE. 
The following table is adapted from Prof. Cockerell’s table 
in the Canadian Entomologist, xxxi, p. 273, (1899). 
Subfamilies 
A. Males with compound eyes; adult female with conspicuous 
white, waxy lamellae ORTHEZIINAE 
AA. Males with simple eyes, 
B. Abdomen of female terminating in a compound segment; 
anal orifice hairless; scale composed partly of exuviae; 
adult female without legs DIASPINAE 
BB. Abdomen not so terminating, 
C. Female with the posterior extremity cleft; anal orifice 
closed above by a pair of triangular plates; female 
secreting a waxy scale not separable from the insect 
COCCINAE 
CC. Not as above; triangular anal plates absent DACTYLOPIINAE 
Subfamily ORTHEZIINAE. 
A. Female with 8-jointed antennae (One genus) Orthezia Bosc. 
Subfamily DACTYLOPIINAE. 
: Tribes 
A. Female enclosed in a complete sac of waxy or horny 
texture; skin usually with figure-of-8 glands; legs 
absent in adult; larva not fringed with spines 
ASTEROLECANIINI 
