100 
W. H. ASH MEAD. 
Adult scale uot so formed. 
Scale flat, hemispherical or spherical, smooth or roug:h. 
Scale couvexly flattened, oval, rough or highly convex, always with a 
deep anal emargination. 
Adult with 7, larva with 6-jointed anteniife; tarsi with 4 digitules ; 
genital anal ring with 8 hairs G. 7. Linn. 
Adult with 8, larv'a with 6-jointed antennae; tarsi wMth 4 digitules; 
genital anal ring with 6 hairs G. 8. Beriiardia n. g. 
Scale hemispherical, or spherical waxy. 
.\nterior tibiae not grooved for the reception of the tarsi 3. 
Anterior tibiae grooved for the reception of the tarsi. 
Antennae conical, 6-jointed G. 9. L.e<*aiiO|>si** Targ. 
3. —Adult with legs and antennae 4. 
Adult without legs and antennae. 
Larva elongate with parallel side.s, margins fimbriate; legs very long, tibiae 
slightly longer than tarsi; antennae 6 jointed. 
G. 10. Aclerda Sig. 
Larva oval, sides not parallel, margins not fimbriate ; legs normal, the tibiae 
and tarsi of equal length, claw long ; larva with 6-jointed antennae ; 
the third joint the longest ; anal genital ring with numerous hairs. 
G. 11. <’artoi'ia Sig. 
4. — Adult with 6-jointed antennae, larva the same, with the last joint the longest ; 
tarsi as long as the tibiae, claws very long, the digitules not 
knobbed G. 12. Erioeriis Guerin. 
Adult with 8-joiuted antennae, the third and eighth joints the longest, larva 
with 6; the tibiae are one-third longer than the tarsi, with short, 
thick digitules G. 13. Fairiiiaii'ia Sig. 
T ribe IV. — Lecaiiiodiaspini. 
Table of Genera. 
Females. 
Scale opaque, couvexly flat or globular, not fringed 2. 
Scale nearly smooth, compact, spherical above, flat beneath, felted with a well 
developed fringe. 
Adult without legs, antennae completely atrophied, their place occupied 
only by circular rings; anal tubercles always present. 
G. 1. I’laiiclioiiia Sig. 
Adult without legs, but the antennae present ; anal extremity emarginated 
with two lobes ; larva with 6 jointed antennae; genital anal ring 
with long hairs G. 2. Iieeaiiiodia»«i>i!ii Targ. 
Adult without legs or antenna*; anal emargination complete. 
G. 3. Asterodiaspis Sig. 
Scale more or less flattened convex, firm. 
Adult surrounded with a regular double fringe, and on the dorsum a nuin- 
l)er of tubiform spinnerets secreting a substance isolated like the 
tubes, but together forming a complete sac; larva with 6-jointed 
antennae with two anal lobes terminating in hairs. 
G. 4. .AKteroleraiiiiiiii Targ. 
2. — Adult apodous, free, in a firm, globular, irregular shell; larva with anal 
tubercles G. 5. l*olliiiiii Targ. 
