128 
Joliet, Keithsturg, Lyndon, Mahomet, Ma- 
rengo, Mount Carroll, Muncie, Oakwood, 
Oregon) Palosm Park, Leoriaye cutnam, 
Quincy, Rock Island, Rockton, St. Anne, 
St. Joseph, Savanna, Seaton, Seymour, Shel- 
don, Urbana, Watseka, Waukegan, White 
Heath, White Pines Forest State Park, Wil- 
low Springs, Zion. 
Teratocoris Fieber 
KEYS LOSS PECIES 
Scutellum and clavus fuscous to black... . 
ii ui Naps es lene Odor ogi discolor, p. 128 
Scutellum and clavus uniformly green... . 
Fem ee erence. paludum, p. 128 
Teratocoris discolor Uhler 
Teratocoris discolor Uhler (1887c, p. 68). 
Mave.—Length 4.80, width 1.25. Head 
width 0.86, vertex 0.38. Rostrum, length 
1.17, reaching slightly beyond middle of 
Fig. 145.— Teratocoris discolor, °. 
sternum. Antennae, first segment, length 
1.04, thicker on basal half, reddish, blackish 
at base; second, 2.07, reddish; third, 1.47, 
fuscous; fourth, 0.99, blackish. Pronotum, 
length 0.77, width at base 1.04. TTibiae and 
ventral margins of femora bearing long, 
pilose hairs. General color pale greenish 
ILLIno1is NATURAL History SURVEY BULLETIN 
V ol. 22,Ariem 
with fuscous and black areas; basal angles 
of pronotum, base of hemelytra, and full 
length of embolium, pale or greenish; legs 
reddish, bases of femora and tips of coxae 
paler. 
Fremace.—Fig. 145. Length 5.60, width 
1.64. More robust than male, hemelytra. 
and venter much paler in color; usually only 
slightly fuscous along claval suture and in- 
ner angles of corium, sometimes tinged with 
reddish. 
Hosr PLants.—Occurs on sedges (Scir- 
pus and Carex). Frequently collected at 
lights. . 
Known DistriputTion.—Colorado, Illhi- 
nois, Indiana, Iowa, Massachusetts, Michi- 
gan, Missouri, Ohio, Ontario, Quebec, 
South Dakota, Utah. 
Illinois Records.—Eleven males and 42 
females, taken May 30 to Sept. 8, are from 
Champaign, Chicago, Galena, Grayslake, 
Havana, Momence, Odin, Urbana. 
Teratocoris paludum J. Sahlberg 
Teratocoris paludum J. Sahlberg (1871, p. 
291). 
Mave.—Length 5.40, width 1.21. Head 
width 0.78, vertex 0.39. Rostrum, length 
1.17, just reaching middle of sternum. An- 
tennae, first segment, length 1.43, thicker on 
basal half, reddish; second, 2.81,- reddish; 
third, 1.47, fuscous; fourth, 1.08, black. 
Pronotum, length 0.74, width at base 1.02. 
General color light green, yellowish on head 
and mesoscutum; legs green; hind tibiae 
and tips of femora bright red; hind tibiae 
with long, pilose hairs. 
FEMALE.—Length 5.80, width 1.34. More 
robust than male, but very similar in colora- 
tion. 
Host PLrant.—Occurs on sedge (Carex 
vesicaria), which probably is the plant on 
which this species breeds. Frequently col- 
lected at lights. 
Known DistrisuTion.—lIllinois, Iowa, 
Minnesota, New: York, Ontario, South Da- 
kota; Finland. 
Illinois Records.—Cuicaco: May 23, 
W. J. Gerhard, 39, rm; June 13;9VVaee 
Gerhard, 19, rm; May 25, 1906, at light, 
W. J. Gerhard, 3 ¢,19,5FmM; May 31, 1906, 
at light, W. J. Gerhard, 1 g , rm; July, 1903 
W. J. Gerhard, 2 @ , rm. GRAYSLAKE: Aug. 
27, 1932, Ross & Mohr, 2¢. Havana: 
May 29, 1936, Mohr & Burks, 1¢. UR- 
BANA: May 20, 1887,. at light, 19. 
