REPORT OF THE STATE ENTOMOLOGIST 1918 179 
ee Lobes of the dorsal plate strongly divergent 
f Abdomen pale yellowish, length 1.25 mm; fourth palpal 
segment three-fourths longer than the third, the fifth 
antennal segment having the two parts of the stem 
with a length three and three and one-half times their 
diameters; dorsal plate lobes very large, divergent, 
the distal third setose and as long as the ventral plate 
explicata Felt, C. 515 
ff Abdomen bright orange, length 1 mm; dorsal plate lobes 
divergent, distinctly constricted subapically and bear- 
ing a few stout setae apically; ventral plate twice the 
length of the dorsal plate; reared from wheat heads. . 
tritici Felt 
cc Stems of the fifth antennal segment plainly unequal 
d Stems each with a length about three and four and one-half times 
its diameter 
e Abdomen reddish yellow, length 1.5 mm; reared from flowers 
OMATPOCYMUTM A. wees se cepsie's © apocyni Felt, C. a1684a 
ee Abdomen fuscous yellowish, distally deep orange, length 
I.5 mm; reared from apical bud galls on spiraea.......-- 
spiraeina Felt, C. a1759x 
eee Abdomen greenish bronze, length 1.5 mm; reared from 
flowers of spiraea...... spiraeaflorae Felt, a1681b 
eeee Body yellowish or yellowish orange, length I mm.........- 
uliginosa Felt, C. 1486 
dd Stems each with a length one and one-half and two and one-half 
times its diameter 
e Abdomen dark or reddish brown, length 2 mm..........-- 
hudsoni Felt, C.1 
ee Abdomen reddish yellow, length 1.5 mm........---+-+++:- 
setariae Felt, a172I 
ddd Stems with a length of one and one and three-fourths times their 
diameters respectively 
e Abdomen dark brown; length 2 mm............-+.+-++-> 
reflexa Felt, C. 1422 
dddd Stems each with a length of one and one and one-half times their 
diameters respectively 
e Abdomen yellowish orange; length 1.5 mm; reared from 
decaying birch wood..........-- putrida Felt, a2264 
bbb Ventral plate truncate or nearly so 
c Abdomen pale yellowish orange, length 1.6 mm; fifth antennal seg- 
ment having the basal part of the stem with a length twice its 
(Ohenaieie IA dy a Sin ORO Oe BO OTE Men Ck CoD nixoni Felt, C. 510 
greater than its diameter......------ tolhurstae Felt, C. 721 
bbbb Ventral plate broadly rounded, dorsal plate long, the lobes rounded 
c Abdomen pale orange, with a fuscous spot basally, length .5 mm; 
fifth antennal segment having the stems with a length two and one- 
fourth and three times their diameters..quere ina Felt, C. 342 
12 
