116 Mr. A. Hempel on Brazilian Coccidse. 



Genua Apiococcus, Hempel. 



The female constructs a flexible, spherical test. Legs 

 wanting. Antenna? represented by small tubercles. Anal 

 ring liairless. The cephalic portion of the derm bears a 

 mass of small round spinnerets. 



Type Apiococcus 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 millira. 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. Antenn?e, 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- 

 tennae of six joints ; joint 6 the longest. Legs short and 

 thick, claws greatly curved ; digitules 4, long, with buttoned 

 ends. Tiie abdomen terminates in two long setse. Anal 

 tubercles not developed. On the dorsal surface, between the 

 sette, 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. Those 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 

 Myrtaceae. 



