100 1 I II II REPORT OF THE ENTOMOLOGICAL COMMISSION. 
long and stout, the tibia- being about one-fifth Longer than the tarsi. The anal ring 
Beema to bear six Long hairs. 
The egg. — Long oval in shape, .4""" in Length, yellowish in color. 
Xctclij hatched larva. — Then- is nothing very characteristic about the young larva-; 
they are tlat and their antennae are only b-jointed. (Comstock'a Report for 1880, 
p. 336.) 
vj. The oak cukkmes. 
Chermes ap. 
(Plate XXVIII, Pig. 1.) 
The following characterization of this genus is taken from Signoivt : 
Body perfectly globular or with a slight incision for insertion on thetwigor branch. 
On an external examination no trace of antenna-, legs, or even mouth parts is to be 
observed, and the insect presents precisely the appearance of a gall. . 
In the larva', however, the true characters of the Cocciuaj are seen — ruultiarticu- 
late lower lip and the absence of the anal plates. The larval characters an- the one-, 
which have been principally used in the description of species, as they are ea 
find. They (the larva») are long, oval, the abdomen plainly segmented and deeply 
cleft at the extremity, except in C. vermilio and C. ballotce. Upon each segment 
there are several spines at the lateral edge and several hairs upon each disk. The 
lateral lobes have each a bundle of spines and a very long hair. Antennas 6-jointed, 
joint 3 longest. With all the legs the tibia} are shorter than the tarsi. With the 
adult the antennae and legs appear natural ; but in very old individuals, which have 
secreted the horny covering, the autenme are still present, but deformed; so also 
with the legs, but the latter are sometimes entirely wanting. 
The males resemble those of other Coccime, and are inclosed in a little white felt- 
like sac. Head globular, with four eyes and six ocelli in C. bauhinii i the only species 
observed by Signoret). The antenna' are very long, joint 3 longest, joint 10 shortest, 
and carrying several hairs with buttoned tips. Wings long. Abdomeu long, with a 
short genital armature and two long bristles each side. Legs long, the tibiae longer 
than the tarsi, the latter with a long claw and the four ordinary digitules. 
There are in the collection of the Department several specie? belong- 
ing to this genus, which we have collected in Florida, Alabama, Lou- 
isiana, California, New York, and District of Columbia. For want of 
time I am unable to characterize these now. The species represented 
on Plate xxvni, fig. 1, occurs on Quercus in California. The only 
North American species which has been described is Kermes ga Uifo rmis 
Riley, described in the Americau Naturalist, vol. xv. p. 482 (June, 
1881). (Couistock, U. S. Agricultural Report, 1880, 337.) 
50. Chermes galliformis Riley. 
" Received from H. H. Rusby, Silver City, N. Mex., the almost glob- 
ular scales of a coccid from the same oak as the preceding [Quercus 
emoryi). They are shining, very indirectly sculptured, white, beauti- 
fully variegated with yellowish-gray and black. The white ground color 
is especially noticeable in longitudinal stripes. These scales occur either 
singly or in clusters — the largest containing about eight — around the 
twig. They contained nothing but eggshells when received. 
These scales were infested with the larva of a Lepidopteron appar- 
ently belonging to Dakruma, which issued in April, 1881." (Riley's 
unpublished notes.) 
