82 NEW YORK STATE MUSEUM 
d Stems one-half and as long as their diameters, respectively. 
Abdomen reddish brown. Length 1 mm, the third palpal 
segment broadly oval........... macrotila Pelt.\€. 1023 
dd Stems one-half and one and one-fourth times their diameters, 
respectively. Abdomen yellowish or dark carmine. Length 
I mm, the third palpal segment slender...... BAS Marien min ac ¢ 
apiphila Felt, C. a1775 
ddd Stems one-half and one and one-half times their diameters, 
respectively. Abdomen yellowish, the third and fourth seg- 
ments black. Length 1 mm, fourth palpal segment narrowly 
OVALS, ees A eee cincta Felt, C. 285 
cc Circumfila long, not unusually heavy or thick; dorsal plate deeply 
and triangularly incised, the ventral plate narrowly rounded 
d Stems three-fourths and one and three-fourths times their 
diameters, respectively. Abdomen yellowish brown. Length 
-75 mm, the fourth palpal segment slender. Reared from red 
Spiderionicottontapereraree eee carolina Felt, C. a2461 
bb Basal portion of the stem with a length about one-half greater than its 
diameter 
c Distal portion of the stem of the fifth antennal segment with a length 
twice its diameter; abdomen pale yellowish, length 5 mm; dorsal 
plate deeply and triangularly incised; ventral plate truncate; 
reared from curled sumac leaves....rhoina Felt, C. a1720b 
cc Distal portion of the stem of the fifth antennal segment with a length 
two and one-half times its diameter; abdomen yellowish brown; 
length 1 mm, dorsal plate short, broadly and triangularly emargi- 
nate; ventral plate long, broadly rounded; reared from mites on 
gardenlibeansi eae eR ae ene constricta Felt!, C.a2572 
bbb Basal part of the stem of the fifth antennal segment in the male with a 
length two and one-half times its diameter 
c Distal portion of the stem with a length three times its diameter. 
Abdomen dark red. Dorsal plate broadly and triangularly emar- 
ginate, ventral plate long, narrow, rounded....rufa Felt, C. 678. 
cc Distal portion of the stem with a length three and one-half times its 
diameter 
d Abdomen pale yellowish. Length 1mm. Dorsal and ventral 
plates triangularly emarginate, the latter sparsely setose 
apically. Reared from red spider on orange................ 
occidentalis Felt, C. a2328. 
dd Abdomen yellowish brown. Length 1mm. Ventral plate long, 
broads rounded mena neers filicis Felt, C. 139, 358. 
ccc Distal portion of the stem with a length four times its diameter. 
Abdomen dark red. Length 1 mm. Ventral plate long, narrow, 
POUNCE 5 shale acts cltere revere eee ee tele sylvestris Felt, C. a1630 
bbbb Stems with a length three and three and one-half times their diameters, 
respectively. Abdomen light yellowish brown. Length 1 mm. 
Ventral plate short, broad, rounded..... fenestra Felt, C. 641 
1A Porto Rican species reared from red spider on garden beans (Jour. Econ, 
Ent. 7:481, 1914). 
