376 
basal brownish spines on anterior margin, and with the apical fringe on the, 
posterior margin double for fourteen hairs; posterior wings with a weak 
median vein reaching about to middle. Legs stout, not long; fore tarsi 
unarmed. 
Abdomen large, slightly wider than pterothorax, tapering roundly 
from segment 6 to base of tube. Tube about .8 as long as head, taper- 
ing evenly from base to apex. 
Measurements:—Total length 2.21 mm.; head, length .24 mm., 
width .21 mm.; prothorax, length .16 mm., width (including coxe) .38 
mm.; pterothorax, width .42 mm.; abdomen, width .46 mm.; tube 
length .20 mm., width at base .092 mm., at apex .042 mm. Antenne 
1h 2316 Ws 2 O20 "Sad os ae Odes, 73 0; 6, 07 p27; 62 BS 8, 35 eeonal 
.50 mm. 
Described from a single female taken at Hillery, [linois, in moss, 
by C. A. Hart and James Zetek. 
Genus CrypToTHRips Uzel, 1895. 
Cryptothrips carbonarius sp. nov. (Fig. 8). 
Male.—Length about 2.22 mm. 
(abdominal segments somewhat 
telescoped). Color uniform coal- 
black, excepting tarsi and articula- 
tions of legs, which are dark black- 
ish brown. 
Head rectangular, about one 
and one-half times as long as wide, 
sides parallel; lateral and dorsal 
surfaces faintly reticulate, set with 
a number of short spines and a 
longer pair at middle of dorsum; 
vertex transverse; postocular spines 
long, slender, pointed; spines just 
behind ocelli about equal in length 
to the postocular. Eyes moderately 
large, not protruding, oceupying 
the anterior angles of head. Ocelli 
moderately large, their diameter 
about three times that of facets of 
Fic. 8 eyes; anterior ocellus not overhang- 
Copmterek  setenanies eg tt ed ing: posterior Coal a eae 
ters of eyes and almost touching 
their inner margins. Antenne eight-segmented, 1.4 times as long as 
head, uniform black in§color; segments 3-6 sub-clavate; 7 fusiform, 
