September, 1941 
6. 
10. 
| 11. 
112. 
Dorsum bearing both black and white 
scalelike hairs, which are turned on 
edge; ventral half of propleura pal- 
lid, but no distinct white line present 
above middle of coxal cleft........ 
. a es eee conspurcatus, p. 188 
Dorsum without distinct scalelike 
hairs; propleura white with dorsal 
margin black and a clear-cut, black 
line extending across ventral half 
of coxal cleft to basal margin...... 
1 Non ob a ln davisi, p. 187 
Second antennal segment with a 
broad, pale yellowish to dusky area 
at middle, dark fuscous only at 
apex and next to pale band at base; 
small, slender species, length 5.10. . 
es minutulus, p. 188 
Second antennal segment black with 
a pale band at base, but, at most, 
only a narrow, pallid band at mid- 
Ln oo 3 ee ee 8 
. Corum with a longitudinal black 
vitta on middle of apical half, set 
on a grayish background, radius in- 
dicated by an interrupted series of 
black dots; length of first antennal 
segment equal to distance between 
tylus and basal margin of pronotum; 
second antennal segment with a 
light-colored area at base which is 
interrupted on ventral side by a 
Blickslifie:: ..-..... vittatus, p. 190 
Corium without a distinct longitudi- 
nal black vitta on a grayish back- 
Cera eo ee els 9 
Hind femora very dark brown, apical 
half with small, pale dots only.... 
2 2 ie fumatus, p. 188 
Hind femora black, with a large light- 
colored band or numerous large, 
UNS S186 ee eg 10 
Lower half of head black, or pallid and 
Bee ec ovith blacks... 6c) asin. < 4: 11 
Lower half of head white; tylus 
Bigekishionly at base: ..2,..:,... 12 
Second antennal segment with light- 
colored band at middle; mesopleura 
Bement SLACK fr wishes ty. ssh ac vost’ 
a corticevivens, p. 186 
Second antennal segment without 
light-colored band at middle; mes- 
opleura with pallid ray appearing 
as an extension of that on propleura 
Mee ee, cs, hak. purvus, p. 187 
Length of first antennal segment 
KNIGHT: PLANT Bucs, or Miripag, oF ILLINOIS 
185 
equal to or greater than width of 
pronotum at base. .albifacies p. 186 
Length of first antennal segment not 
equal to width of pronotum at base 13 
13. Femora black; hind pair with an ob- 
lique, subapical white band, usually 
a few small pallid dots nearby; 
length 6.50....tuberculatus, p. 187 
Femora more pallid than black, apical 
half darkened with fuscous and 
broken by numerous large and small 
Dalidespotsalengtho.007 a, ana 
Pe Pee ot eee sulcatus p. 190 
Phytocoris lasiomerus Reuter 
Phytocoris lastomerus Reuter (1909, p. 34). 
Known from Colorado, Iowa, Maine, 
Massachusetts, Minnesota, Montana, New 
York, Ontario, Quebec, Washington, Wis- 
consin, Wyoming. Not as yet recorded from 
Illinois, but should be found in the northern 
part. 
Phytocoris pallidicornis Reuter 
Phytocoris pallidicornis Reuter (1876, p. 69). 
Known from British Columbia, Colorado, 
Maine, Massachusetts, Michigan, Minne- 
sota, Montana, New Hampshire, New 
York, North Dakota, Wisconsin. Not yet 
taken in Illinois, but should be found in the 
northern part. 
Phytocoris antennalis Reuter 
Phytocoris antennalis Reuter (1909, p. 32). 
Mae.—Length 5.10, width 1.60. Head 
width 0.90, vertex 0.42; testaceous to very 
dark brown; tylus white with middle third 
black. Antennae, first segment, length 1.28, 
very dark brown, inner surface marked with 
four or five pale spots; second, 2.56, black, 
with a narrow, light-colored annulus slight- 
ly distad of base and a second, broader light 
band slightly beyond middle; third, 1.66, 
fusco-brownish, pale at base; fourth, 1.44, 
fuscous. Pronotum, length 0.79, width at 
base 1.43, testaceous to brownish and _ be- 
coming black on area bordering sinuate pale 
area at posterior margin; two small, coni- 
cal projections on either side of middle near 
posterior margin; propleura black, a pale 
ray extending across top of coxal cleft. Scu- 
tellum testaceous to fuscous, with a slender, 
nearly obsolete, pale median line. Hemely- 
tra testaceous to fuscous and clothed with 
