September, 1941 
A black stripe traversing outer half 
of each callus and extending to 
posterior margin of pronotal disk; 
ground color pale yellowish, with 
clavus and apices of corium and 
embolium black. .. vitticollis, p. 162 
Neolygus invitus (Say) 
Capsus invitus Say (1832, p. 24). 
Mate.—Length 5.00, width 2.00. Gen- 
eral color dark greenish with fuscous or 
black areas; a lateral, fuscous stripe ex- 
tending full length of body, including genital 
segment; apical half of scutellum with a 
pale, median vitta; disk of pronotum dark 
brown or black, but never with two distinct 
rays, as in communis Knight; genital clasp- 
ers distinctive for species, fig. 164. 
Femace.—Length 5.10, width 2.20; slight- 
ly more robust than male, very similar in 
coloration, but in general lighter colored, 
with pale vitta on scutellum longer. 
Foop PLant.—American elm (Ulmus 
americana) ; a single specimen was collected 
in Illinois on hickory (Carya sp.). 
Known DistriBuTION.—Connecticut, 
Illinois, Indiana, JIowa, Massachusetts, 
Michigan, Minnesota, Missouri, New York, 
Ohio, Vermont. 
Illinois Records.—ILuiinors: June 21, 
meee? oO. 6 Wupors: May 21, 1917, 1é@. 
ELIZABETHTOWN: May 27-31, 1932, on elm, 
H. L. Dozier, 10,69. FRANKForRT: June 
metos3. Viohr & Townsend, 22, 9°. 
Mount CarMEL: May 27, 1884, on leaves 
of Carya sp., 19. Muncie: June 8, 1917, 
mo). SAVANNA: -June 1, 1917, 1 9 ; June 12, 
Rise ,19. 
Neolygus tinctus new species 
This species is distinguished from allied 
ones by its smaller size and reddish colora- 
tion; it apparently is most closely related to 
invitus (Say). 
Mare.—Lenegth 4.76, width 2.00. Head 
width 0.99, vertex 0.30. Rostrum yellowish, 
apex reddish brown, length 1.56, extending 
slightly beyond middle of hind coxae. An- 
tennae, first segment, length 0.44, yellowish 
brown; second, 1.56, yellowish, becoming 
dusky at apex. Pronotum reddish; basal half 
of disk fuscous; calli dusky brown; median 
line of side of pronotum paler just behind 
calli. Propleuron pale about coxal cleft. 
— Scutellum yellowish, with many red flecks in 
KNIGHT: PLANT Bucs, or Miripag, or ILLINOIS 
157 
hypodermis. Hemelytra reddish to fuscous, 
with clavus and apical half of corium dis- 
tinctly fuscous; cuneus pale, flecked with 
red about margins; membrane pale, with red 
veins and with areas within areoles and 
along margin behind cuneus fuscous. Dor- 
sum clothed with fine, yellowish, recumbent 
pubescence; pronotum and scutellum mi- 
nutely regulose, as in allied species. Venter 
of body pale yellowish, tinged with reddish 
and shaded with fuscous; sides of thorax 
dusky. Legs yellowish green, hypodermis of 
femora rather uniformly colored with bright 
red; tarsi darkened. Genital claspers distinc- 
tive, fig. 164; form nearest to invitus, but 
left clasper thicker at base and right clasper 
with a much more prominent, protuberant 
shoulder at middle. 
FEMALE.—Length 4.63, width 2.20. Head 
with frons, tylus and juga bright red. An- 
tennae yellowish, first segment becoming 
reddish at apex, third and fourth segments 
dusky; first segment, length 0.47; second, 
1.47; third, 0.82; fourth, 0.34. More robust 
than male, and very similar in coloration, 
although with less fuscous shading on prono- 
tum and hemelytra. 
Holotype, male. — Morgan County, 
Ind.: June 10, 1933, on Gleditsia triacan- 
thos, P. O. Musgrave, Kc. 
Allotype, female. — ILiinors. — Er- 
CHORN, Hick’s BraAncH: June 13, 1934, 
DeLong & Ross. 
Neolygus atritylus Knight 
Lygus (Neolygus) atritylus Knight (19174, 
p. 606). 
No Illinois specimens; known from Colo- 
rado, Minnesota, New Hampshire, New 
York, Vermont. Feeds on willow (Salix 
S02). 
Neolygus alni Knight 
eee (Neolygus) alni Knight (19174, p. 
607). 
Mate.—Length 5.50-6.00, width 2.00. 
Head width 1.00, vertex 0.33. Rostrum, 
length 1.88, just attaining posterior margins 
of hind coxae. Antennae, first segment, 
length 0.64; second, 2.02, yellowish to 
brownish, its apex not strongly infuscated ; 
third, 1.04; fourth, 0.74. Pronotum, length 
0.86, width at base 1.57. Color medium 
green to light green, fading to yellowish in 
old specimens; clavus, scutellum and basal 
