COCCIDAB OF OHIO. 29 



*Diaspis ecliinocacti cacti Comst. Aspidiotus perniciosus Comst. 



*Aulacaspis pentagona (Targ.) Aspidiotus piceus Sanders. 



Aulacaspis rosae (Bouche). *Aspidiotus rapax Comst. 



*Hemicliionaspis aspidistrae (Sign.) Aspidiotus ulmi Johns. 



*Fiorinia flioriniae (Targ.) Aspidiotus uvae Comst. 



Aspidiotus aesculi Jolms. *Comstockiella sabalis (Comst.) 



Aspidiotus ancylus (Putn.) *Chrysomphalus aonidum (Linn.) 



Aspidiotus comstocki Johns. *Chrysomphalus aurantii (Mask.) 



* Aspidiotus cyanophylli Sign. *Chrysomphalus dictyospermi 



/"Aspidiotus cydoniae crawii Cldl. (Morg.) 



Aspidiotus forbesi Johns. Chrysomphalus obscurus (Comst.) 



Aspidiotus glanduliferus Cldl. *Lepidosaphes beckii (Newm.) 



*Aspidiotus hederae (Vail.) *Lepidosaphes gloverii (Pack.) 

 Aspidiotus juglans-regiae Comst. Lepidosaphes ulmi (Linn.) 



*Aspidiotu3 lataniae Sign. *Parlatoria pergandii Comst. 

 Aspidiotus osborni Newell & Ckll.*Parlatoria zizyphus (Lucas). 

 Aspidiotus ostreaeformis Curt. 



KEY TO THE SUB-FAMILIES AND GENERA 



Family COCCIDAB. 

 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 ORTHBZIINAE 



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 



