September, 1941 KNIGHT: 
hind outer margin of callus. Scutellum 
colored similarly to that of male, median 
black line broader near base. Hemelytra 
pale testaceous with embolium and outer 
margin of corium exterior to radial vein 
black and tip of embolium pale; membrane 
pale, areoles except small spot near basal 
angle of cuneus, veins, and area bordering 
areoles, dark fuscous. More robust than 
male and with pale areas broader. 
Foop PLant.—Ash (Fraxinus sp.). 
Known DistriputTion.—District of Co- 
lumbia, Illinois, Maryland, Mississippi, 
Missouri, Virginia. 
Illinois Records.—Darwin: 
1932, on Fraxinus americana, Dozier & 
Park, 19. ELIZABETHTOWN: June 22-24, 
1932, on Fraxinus americana, Ross, Dozier 
& Park, 14,29. Harbin: June 5-9, 1932, 
on Fraxinus americana, H. L. Dozier, 5 2, 
mone LARRISBURG: June 25, 1932, on 
Fraxinus americana, Ross, Dozier & Park, 
19. KaARNAK: June 23, 1932, on Fraxi- 
nus americana, Ross, Dozier & Park, 29. 
Litty: June 11, 1914, Mackinaw River, 
1¢,19. WitLtow Sprincs: June 27, 1909, 
A. B. Wolcott, 1 ¢ , FM. 
lve 3 
Neoborus tricolor (Van Duzee) 
Tropidosteptes 
p. 487). 
Aputts.—Length 5.70, width 2.80. An- 
tennae pale, second segment pale with apex 
fuscous. Dorsum rather coarsely punc- 
tured, with an erect, prominent, pale hair 
arising from each puncture. General color 
black with rostrum except apex, legs, ostio- 
lar peritreme, and cuneus, pale; front of 
head reddish to brownish. 
Known DisrriputTionN.—Described from 
New Jersey, and since recognized only from 
Illinois, Indiana, Mississippi, Missouri. 
Illinois Records——Urspana: Aug. 9, 
1920, J. R. Malloch, 14. ViENNA: June 
14, 1934, DeLong & Ross, 19. 
tricolor Van Duzee (1912, 
Neoborus rufusculus Knight 
Neoborus rufusculus Knight (1923d, p. 564). 
Aputts.—Length 4.60, width 1.86. Gen- 
eral color of head yellowish; tylus, median 
line of front and joining arc above, and 
juga except sutural margins, blackish. An- 
tennae, first segment black; second fusco- 
blackish; third and fourth fuscous. Prono- 
tum, length 0.94, width at base 1.69; coarse- 
PLANT Bucs, or MiripAz, or ILLINOIS 
143 
ly and rather closely punctate, shining, 
clothed with erect, pale yellowish pubes- 
cence; brownish black; collar, median line 
of disk that narrows near basal margin, 
spot behind outer angle of each callus, and 
slender basal margin, yellowish testaceous; 
carinate lateral margins of disk only mod- 
erately distinct, slightly more sulcate than 
in canadensis (Van Duzee). Scutellum 
coarsely punctate, clothed with erect, yellow- 
ish pubescence; brownish black, median line 
and basal angles paler; mesoscutum brown- 
ish with prominent pubescence. Sternum 
brownish black, median line yellowish, 
pleura blackish, clothed with prominent pu- 
bescence; ostiolar peritreme pale. Hemely- 
tra, emboliar margins nearly straight, but 
curved at each end; reddish brown, trans- 
lucent, darker on clavus bordering scutellum 
and commissure; rather coarsely and closely 
punctate, shining, clothed with prominent, 
erect, yellowish pubescence; cuneus reddish 
brown, translucent, scarcely paler at base. 
Membrane and veins fusco-brownish, a 
small pale spot bordering apex of cuneus. 
Legs yellowish; apical half of hind femora, 
somewhat on apex of middle pair, base 
of tibiae and somewhat on middle of hind 
pair, blackish; apices of tarsi fuscous. Ven- 
ter blackish; ventral surface except on geni- 
tal segment, yellowish; pubescence pale. 
Foop PLantT.—Ash 
cana). 
KNown DistripuTion.—lllinois, Minne- 
sota, Mississippi, New York, Texas. 
Hlinois Record—WuiITE PINEs For- 
EST STATE PARK: June 4, 1933, Ross & 
Townsend, | ¢. 
(Fraxinus  amert- 
Xenoborus Reuter 
KE YebOss Pi Grins 
1. Membrane pale or, if fuscous, paler on 
rreble Celle, Lan orp ine wy ak ae 2 
Membrane uniformly fuscous or black. 3 
2. Dorsum uniformly pale greenish yellow, 
fuscous along commissure of HSN 
ff ene eh Or Ua nee en) ere 
cig OF Pee eee commissuralis, p. 144 
Dorsum with black areas broader; calli, 
spot either side of median line on 
pronotal disk, clavus except along 
claval vein, and spot on apical area 
of corium, very dark fuscous, almost 
black; membrane fuscous, with an 
oval spot on middle of apical half; 
