29 
Encarsia luteola n. sp. 
Female. — Length, 0.63 ram. ; expanse, 1.3 mm. ; greatest width of fore- 
wing, 0.19 mm. Pedicel stout, two-thirds as broad as long, and about 
one-third longer than first funicle joint. Joint 2 of funicle one- third 
longer than joint 1; joint 3 twice as long as joint 1; joints 4 and 5 as 
long as 3; terminal joint a trifle longer; all joints well separated, 
subcylindrical, increasing very slightly in width to club. Thorax with- 
out perceptible sculpture. Eyes dark, ocelli coral red, wings perfectly 
hyaline, general color yellowish. Vertex with black transverse line be- 
tween the eyes. Upper portion of head somewhat orange, face lighter. 
Dorsum of thorax dark orange, becoming somewhat dusky at sides, 
particularly at insertion of wings; abdomen light pale yellow. All 
legs and antennae uniform light yellow, club of antennae slightly dusky. 
Submarginal vein fuscous, marginal and stigmal faintly yellowish. 
Described from one female specimen reared August 14, 1881, from 
Aleyrodes at Washington,!). 0. ; food-plant unknown. 
Encarsia coquilletti n. sp. (fig. 9). 
Female. — Length, 0.88 mm.; expanse, 1.7 mm.; greatest width of 
fore- wing, 0.27 mm. Pedicel of antennae twice as long as broad, a little 
more than half as long as and 
about as broad as joint 1 of 
funicle; remaining joints of 
funicle subequal in length, J 
slightly rounded at extrem- 
ities, and slightly flattened 
laterally. Dorsum of thorax 
faintly shagreened ; abdomen 
smooth ; abdomen broadly 
ovate. Eyes black, ocelli 
reddish, wings faintly dusky 
on basal half, general color 
black; joints between seg- 
ments of abdomen lighter; 
all tibiae and tarsi dusky, 
femora banded in the middle 
with black, trochanters pallid, antennal scape dark brown, funicle 
light brown. 
Male. — Differs from the female in not having the abdomen broadly 
ovate, wings perfectly hyaline, legs all slightly fuscous, and entire 
abdomen yellow or light brown. 
cp s 
Fig. 9.— Encarsia coouilletti Howard: male; female genitalia 
below; enlarged middle tarsus at left — greatly enlarged 
(original). 
Described from five females and two males reared by Mr. D. W. 
Coquillett, at Los Angeles, Cal., from Aleyrodes on Sonchus, September 
18-21. 
