116 Mr. A. Hempel on Brazilian Coccide. 
Genus Aprococcus, Hempel. 
The female constructs a flexible, spherical test. Legs 
wanting. Antennse represented by small tubercles. Anal 
ring hairless. The cephalic portion of the derm bears a 
mass of small round spinnerets. 
Type Aptococcus gregarius, Hempel. 
Apiococcus gregarius, Hempel. 
Adult female test spherical, hard and tough, with a small 
round orifice on one side. Surface slightly roughened, not 
shiny, of a dark sepia-brown colour. Size 2 to 3 millim, in 
diameter. 
Adult female spherical, filling the entire test, light yellowish 
brown in colour, Boiled in a solution of KOH it colours the 
liquid light yellow. The cephalic portion of the derm is 
chitinized and bears a large number of spinnerets and some 
hairs. Antenne, small tubercles, with a terminal brush of 
thick stiff hairs. Rostrum large, rectangular, occupying the 
space between the two pairs of spiracles. Mentum dimerous 
with bifid tip. Anal ring hairless. Anal tubercles not 
conspicuous, each one bearing about 12 sharp spines. Around 
the anal orifice there are about 50 more sharp spines, and 
about 80 small round glands, arranged in two elongate masses. 
The derm, especially near the caudal region, bears many small 
round spinnerets and hairs. ‘The derm also has many in- 
vaginations, forming small pockets. Scattered over the 
ventral and dorsal surfaces are many peculiar conical spines. 
These spines are characteristic, and are possessed by every 
member of this genus. 
Larva (just hatched).—Oval, orange-yellow in colour. An- 
tenne of six joints; joint 6 the longest. Legs short and 
thick, claws greatly curved; digitules 4, long, with buttoned 
ends. ‘The abdomen terminates in two long sete. Anal 
tubercles not developed. On the dorsal surface, between the 
sete, there are eight sharp spines. The lateral margin also 
bears several sharp spines. On the lateral margin of the ab- 
domen and head there are about twenty-four large, blunt, club- 
shaped spines, and on the dorsal surface about sixteen longer 
ones. ‘lhose on the dorsum are arranged in one transverse 
row of six, on last segment of the thorax ; and two sublateral 
rows of five each, on the head and thorax. Rostral loop long, 
extending to the end of the abdomen. Size *360 millim. 
long. 
Hab. Ypirauga, State of Sao Paulo. 
Crowded together on the twigs of a plant of the order 
Myrtacee. 
