REPORT OF THE STATE ENTOMOLOGIST IQ17 181 
ddd Dorsal plate with the lateral angles produced, the lobes roundly 
emarginate 
e Basal portion of the stem of the fifth antennal segment 
with a length one-fourth greater than its diameter 
f The lobes of the dorsal plate broadly and roundly 
emarginate, the antennae plainly trinodose......... 
holotricha Felt, C. 1104a, I110a, a1821 
ee Basal portion of the stem of the fifth antennal segment 
with a length twice its diameter 
f Dorsal plate lobes short and roundly emarginate; 
SHASTA TOO) WHOWNOYSIOS, nc 54 no ooo sHcoeou ones oonone 
corylifolia Felt, C. ar543b 
eee Fifth antennal segment having the basal portion of the 
stem with a length three times its diameter 
f The lobes of the dorsal plate broadly, not deeply 
emarginate 
g Ventral plate deeply and triangularly emarginate, 
the lobes slender...... tenuitas Felt, C. 306 
gg Ventral plate broadly and roundly emarginate, the 
lobes stout 
h Stems of the fifth antennal segment approxi- 
mately equal, the lateral angles of the dorsal 
plate produced...robusta Felt, C. 1210 
hh Stems of the fifth antennal segment unequal, 
the lateral angles of the dorsal plate not 
produced:...6 2.4. carolina Felt, C. 976 
cc Ventral plate with the sides nearly parallel, apically broadly and 
slightly emarginate 
d Fifth antennal segment having the basal portion of the stem 
with a length three times its diameter, the dorsal plate short, 
with the lateral angles narrowly produced, the lobes roundly 
Emancimatenis..84. cee aos ee cyanococci Felt, C. 136 
dd Fifth antennal segment having the basal portion of the stem 
with a length equal to its diameter, the dorsal plate short, 
the lateral angles broadly produced....------+++-+++++++++: 
contracta Felt, C. 671 
ccc Ventral plate tapering distally, broadly and deeply emarginate 
d Terminal clasp segment as long as the basal clasp segment 
e Fifth antennal segment having the basal portion of the 
stem with a length four times its diameter, the dorsal 
PNALE EHUMCALE 2 ee ee fibulata Felt, C. 684 
dd Terminal clasp segment distinctly shorter than the basal clasp 
segment 
e Fifth antennal segment having the basal portion of the stem 
with a length three to four times its diameter 
f Abdomen fuscous yellowish, the ventral plate narrow, 
the distal enlargement of the fifth antennal 
segment with a length two and one-half times its 
diameter, stout and constricted at the basal third... 
captiva Felt, C. 197 
