September, 1941 
Park: July 14, 1932, on Pinus strobus, Doz- 
ser & Park, 11 4, 199 ; Sept. 17, 1935, De- 
Long & Ross, 1 ¢. Wuite Pines Forest 
STaTE Park: July 12, 1934, DeLong & Ross, 
me, 39. 
Phytocoris mundus Rcuter 
Phytocoris mundus Reuter (1909, p. 18). 
Not taken in Illinois; known from Dis- 
trict of Columbia, Maryland, New Jersey, 
Pennsylvania, Virginia. Feeds on Virginia 
pine (Pinus virginiana). 
Phytocoris fulvus Knight 
Phytocoris fulous Knight (1920, p. 59). 
Not yet taken in Illinois; known from 
Maine, New York, Ontario, Pennsylvania. 
Occurs on white pine (Pinus strobus). 
Phytocoris uniformis Knight 
Phytocoris uniformis Knight (1923d, p. 643). 
Originally described from Long Island, 
New York, and the coastal area of Massa- 
chusetts. This species has subsequently been 
recorded from Maryland, Mississippi, 
North Carolina, Virginia, but has not yet 
been taken in I]linois. It has been collected 
on pitch pine (Pinus rigida), which possi- 
bly is the normal host. 
Phytocoris pinicola Knight 
Phytocoris pinicola Knight (1920, p. 59). 
Not taken in Illinois; specimens known 
from Connecticut, Massachusetts, Minne- 
sota, Mississippi, New Jersey, New York. 
Feeds on pines (Pinus resinosa and P. syl- 
vestris). 
Phytocoris angustifrons Knight 
me er’s angustifrons Knight (1926g, p. 
Not taken in Illinois; known only from 
Florida, Louisiana, Mississippi. Collected 
on pine (Pinus sp.). 
Phytocoris exemplus Knight 
Phytocoris exemplus Knight (1926g, p. 163). 
Known at present only from Louisiana, 
but should be found wherever the cypress 
(Taxodium distichum) grows; that is the 
tree on which it occurs. 
KNIGHT: PLANT Bucs, or Miripag, oF ILLINOIS 
201 
Phytocoris conspersipes Reuter 
Phytocoris conspersipes Reuter (1909, p. 22). 
Not taken in Illinois; known from District 
of Columbia, Maryland, New Jersey, North 
Carolina, Pennsylvania, South Carolina, Vir- 
ginia. Feeds on Virginia pine (Pinus virgin- 
jana). 
Phytocoris junipericola Knight 
Phytocoris gunipericola Knight (19274, p. 16). 
Known from District of Columbia, Indi- 
ana, Maryland; not yet taken in Illinois. 
Breeds on red cedar (Juniperus virginiana). 
Group IV 
The species of this group are phytophagous. 
KEY TO SPECIES 
1. Pronotal disk frequently red but with- 
out four distinct, reddish vittae ona 
DaletgbackerOUnd sores vas meee 2 
Pronotal disk with four orange or red 
vittae on a paler background...... 8 
2. Pronotal disk with four black spots on 
basal submargin; scutellum usually 
uniformly pale, sometimes with in- 
distinct fuscous dots forming a spot 
at either side of apical half........ 
eres. Cre rae quercicola, p. 202 
Pronotal disk without four distinct 
black spots on basal submargin; 
scutellum usually with orange or 
red at either side on apical half.... 3 
3. Scutellum unmarked, uniformly yel- 
LoWwaSh aera, ne ea ee 4 
Scutellum marked with reddish or 
FUSCOU Sear ee AR ee ote es 5 
4. Hemelytra rather uniformly fusco- 
reddish to roseate; embolium and 
outer margin of scutellum paler... . 
Se ee: Meech Fe taxodii, p. 203 
Hemelytra yellow; clavus and basal 
one-third of cortum dark reddish; 
cuneus red with many minute, clear 
SPO ES ape as myceeesis. a oe luteolus, p. 209 
5. Pronotum chiefly red, more area red 
thant palevorstuscouss eee cee: 6 
Pronotum with more area pale or 
fUSCOUSEthanureC qe ene aeons Ee fi 
6. Hemelytra with many small, distinct, 
white spots; calli darkened with 
fUSCOUS mete nae confluens, p. 205 
