THE CANADIAN ENTOMOLOGIST. 271 



Anal ring with 6 hairs ; no caudal lobes Gymnococcus, Dougl. 



4. Legs and antennae present and well-developed in adult ; skin with 



grouped glands and truncate spines ; last joint of larval antenna 



long Psetidococcus, Westw. 



(Coccus, Sign.) 



Antennae present, but only one i)air of legs 5. 



Antennas and legs absent ; not living in a gall ; newly-hatched larva 

 with four rows of dorsal spines on each side of the middle 

 line  ._ Carpochloroides, Ckll. 



5. Only the hind legs present ; skin without grouped glands or truncate 



spines ; newly-hatched larva with only one complete row of dorsal 

 spines on each side of the middle-line, but one or two other rows 



partially developed anteriorly Capulinia, Sign. 



Only the first pair of legs present, these very short ; living in a gall ; 

 newly-hatched larva with two rows of dorsal spines on each side of 

 the middle-line ; shape of adult elongate, with parallel sides, 

 abdomen with long hairs Cylindrococcus, Mask. 



OUiffia, Fuller, not yet described, is very close to Eriococcus. 



Dactylopiini. 

 Anal ring without hairs " i. 



Anal ring with hairs 2. 



1. Adult p with all the legs piesent; first four small, hind pair very 



large ; margin with spines Sphcerococcopsis, Ckll.f 



Adult 2 with the antennae minute, conical; legs entirely absent; skin 



with many circular glands Sp/icerococcus, Mask. 



(Type S. casiiarince, Mask.) 



Adult 9 with the antennae reduced to a mere tubercle ; spiracles 



small ; legs absent ; skin tuberculate, but without conspicuous 



glands Phxnicococciis, Ckll. 



(Type/'. Mar lata, Ckll.) 



2. With well-formed legs and antennas in adult 3. 



Legs and antenna absent or rudimentary in adult 15. 



3. Antennae 9-jointed 4. 



Antenniie 8- (sometim-js 7-) jointed 6. 



Antennae not more than 7-jointed 10. 



^. Anal ring with 8 hairs Puto, Sign. 



Anal ring with 6 hairs 5. 



tType S. inflatipes, Mask., Tr. N. Z. Inst., XXV., p. 238. 



