GENEKA OF COCCIDA5. 
99 
Tribe II. — Fulvinariin i. 
Table of Genera. 
Females. 
Adult with 8-jointed anteuufe. larva with 6; tarsi with 4 digitules. 
Tibiae more than twice as long as tarsi ; genital anal ring with 8 hairs. 
G. 1 . Liicfeiisia Sig. 
Tibiae two-thirds the length of tarsi ; genital anal ring with 6 hairs. 
G. 2. Piilviiiaria Targ. 
Males. 
Antennae 10-jointed ; the third abdominal segment with lateral tubercles or lobes, 
four eyes and four ocelli. 
Antennal joints 3, 4, 5 and 6 longest, the terminal joint with 3 knobbed hairs. 
G. 1 . Liicteiisia Sig. 
Antennal joint 4 the longest, the terminal joint with 4 knobbed hairs. 
G. 2. Piilviiiaria Targ. 
Tribe III. — Lecaniini. 
Table of Genera. 
Females. 
Scale flattened oval, elliptic, or more or less globular, or rugose with dorsal 
keels 2 
Scale not flat, high, waxy and tessellated. 
Scale waxy, with single fringe of broad segments; larva with 6-jointed 
antenme, adult with 6 or 7 ..G. 1. Cteiiocliitoii Maskell. 
Scale horny, partly formed of the second pellicle; larva with 6-jointed 
antennae, adult short, thick, atrophied, 7-jointed. 
G 2. L,ecaiiocliitoii Mask. 
Scale glassy, conical or elongated, elevated, striated with air cells; larva 
with 6-jointed antennm, adult with 7 G. 3. Iiiglisia' Mask 
Scale of a waxy appearance, corneous, transparent, forming on its disc a 
tortoise-like tessellation and having seven rays or arms, one to 
the head and three on each side, corresponding to the stigmata, 
and a short one to the arms; antenme 6-jointed, third joint equal 
to the last three combined, the sixth is longer than fourth and 
fifth and hairy; legs slender, short, tibia as long as the tarsus. 
t! , . , . , Visoiiia Sig. 
scale ot a thick, waxy substance, free from the insect, formed of lavers of 
secretions from the spinnerets ; the dorsum is covered usually with 
tubercles or tumescences, which disappear more or less as the in- 
sect reaches maturity ; antennae 6-jointed, the third joint the 
longest, nearly as long as all the rest together; claws with 4 digi- 
tules, the shorter pair stout and horn-shaped. 
G. 5. Ceroplasfes Gray. 
Adult scale divided into two equal parts by a film formed of the skin of the 
abdomen, which remains stationary, whilst the insect continues 
to increase on its dorsal surface until the lateral margins thereof 
meet and a ball-like form is produced, on the underside of which 
traces of a fissure may be seen ; larva with 6-jointed antenna;'. 
G. 6. Pliy!iiokeriiie.<« Targ. 
