September, 1941 
with a broad central red area, this 
area not forming a clearly defined 
Walecaemreng thio: /O--7 50) yack. 
| GA re insignis, p. 135 
Venter red; scutellum black; basal 
half of pronotal disk black; length 
BOS On OO i ashs fraterculus, p. 136 
Platytylellus rubrovittatus (Stal) 
Resthenia rubrovittata Stal (1862, p. 318). 
Matet.—Length 5.00, width 1.70; embo- 
liar margins moderately arcuate; surface 
distinctly granulate. Head width 1.08, ver- 
tex 0.51. Antennae, first segment, length 
0.44; second 1.71, cylindrical, nearly as thick 
as first; third, 1.26; fourth, 0.81. General 
color black; head except tylus and eyes, basal 
segment of rostrum, pronotum except a 
flaring ray extending from callus to basal 
margin on either side of disk, scutellum, 
mesoscutum except outer angles, sternum 
except cloud on either side, pleura, venter 
except vagina exterior, coxae, femora ex- 
cept narrow area at base and apical one- 
third, red or orange red. 
FEeMALE.—Length 5.30, width 2.00; very 
similar to male in coloration; second an- 
tennal segment slightly more slender and 
less cylindrical. 
Host PrLant.—Collected on willow 
(Salix sp.). 
Known DistrinuTion.—Originally de- 
scribed from a single male specimen with 
the locality given as ‘boreal America.” Now 
known from Nova Scotia southward to 
Florida and westward to Texas. 
Illinois Records.—A prince: Aug. 11, 
1891, sweepings, Mississippi bottoms, Hart 
& Shiga, 1 ¢. Gotconpa: June 22, 1932, 
on Salix sp., Ross, Dozier & Park, 52,39. 
Granp Tower: July 12, 1909, on willow, 
1g. Karnak: July 10, 1935, DeLong & 
Ross, 1 ¢. Ursana: Aug. 17, 1916, 1¢. 
Platytylellus nigricollis (Reuter) 
Resthenia nigricollis Reuter (1876, p. 65). 
Mare—tLength 6.00, width 2.30. Head 
width 1.14, vertex 0.66, lateral width of 
eye 0.28. Rostrum, length 2.20, reaching to 
middle of hind coxae. Antennae, first seg- 
ment, length 0.58; second, 1.76; third, 1.14; 
fourth, 0.90. Pronotum, length 1.04, width 
at base 1.82. Surface rather coarsely and 
thickly granulate, clothed with short, black 
pubescence. General color black; head ex- 
KNIGHT: PLANT Buss, or MIrRIDAE, OF ILLINOIS 
133 
cept tylus, collar, xyphus, and sides of pro- 
notum, scutellum except basal angles, ster- 
num except cloud on either side of median 
line, pleura, venter except beneath on genital 
segment, red; legs black; coxae and basal 
one-third of hind femora pale to red. 
FEMALE.—Length 6.40, width 2.60; very 
similar to male in color, pubescence and 
surface granulation. 
Known DISTRIBUTION.—Connecticut, 
Illinois, Indiana, Iowa, Massachusetts, New 
Hampshire, New Jersey, New York, Ohio, 
Ontario, Pennsylvania, Texas, Virginia. 
Illinois Records.—ANtTIocH: July 5-7, 
L932 aH EF risontet ale le sa01 9% GRAND 
Detour: July 2, 1932, Dozier & Mohr, 1 @. 
Platytylellus zonatus Knight 
Platytylellus zonatus Knight (19264, p. 254). 
MaAvré.—Length 6.20, width 2.40. Head 
width 1.26, vertex 0.68. Rostrum, length 
2.20, just attaining bases of hind coxae. 
Antennae, first segment, length 0.58; second, 
2.00; third, 1.46; fourth, 0.77. Pronotum, 
length 1.31, width at base 2.10. General 
color black; vertex except for lunate marks, 
lower half of face except tylus and apex of 
lora, collar, lateral margins and median line 
of pronotum, and median one-third of scutel- 
lum, orange red; embolium and narrow out- 
er margin of corium, outer half of cuneus, 
and commissure of hemelytra, orange col- 
ored. Variable areas on pleura and sides of 
venter orange obscured with blackish. Fe- 
mora yellowish to orange, with anterior and 
posterior faces obscured with fuscous. Body 
surface covered with fine granules, and 
thickly clothed with fine, short, yellowish to 
fuscous pubescence. Genital segment with- 
out tubercles. 
FEMALE.—Length 6.60, width 2.60. Slight- 
ly more robust than male, but very similar 
in coloration and pubescence. 
Known DistriputTion.—lIllinois, Mani- 
toba, Michigan, Minnesota, North Dakota, 
Wisconsin. 
Illinois Records.—ANTIocH: July 5-7, 
1932 alee clei risoieaalaesra.: 
Platytylellus insitivus (Say) 
Ca DSS IISUIIUS Day L852, Dp. 2ds 509 D- 
340). 
Ma.e.—Length 8.70, width 3.60. Gen- 
eral color black, pronotum and scutellum 
orange yellow; surface very finely granulate, 
