September, 1941 
more porrect and more nearly cone shaped 
than in saldaeformis Uhler. General color 
brownish black, irregularly marked with 
small pale spots; three or four larger spots 
on the strongly flattened tylus; bucculae 
tinged reddish. Rostrum brownish _ black, 
length 2.22, nearly attaining the hind mar- 
gin of the first genital segment. Antennae, 
first segment, length 0.28, black; second, 
1.00, nearly cylindrical, but slightly thick- 
ened toward apex, black, a small pallid spot 
on dorsal side near middle, the extreme tip 
slightly paler, clothed with very fine, short, 
pale pubescence; third, 0.29; fourth, 0.34; 
last two segments slender, black. Pronotum 
brownish black; length along median line 
0.51, width at base 1.17; anterior width 
0.61; lateral margins practically straight, 
shelflike, extreme edge reflexed; anterior 
angles prominent, forming right angles; 
basal margin with a broad sulcus which 
rounds distally; margin without tubercles, 
practically transverse on the middle one- 
third; calli less prominent than, and not so 
abruptly convex as, in saldaeformis, sepa- 
rated by a foveate groove at the median line 
of disk; disk rather closely dotted with 
whitish spots that are frequently confluent; 
slender area at lower margin of propleura, 
and a line extending distad from the top of 
coxal cleft, pallid. Scutellum nearly as in 
saldaeformis, more extensively white at 
apex, a few pale dots adjoining; meso- 
scutum exposed for a longitudinal space 
equal to two-thirds the length of scutellum, 
a curved pale mark near each basal angle. 
Sternum and pleura brownish black; basalar 
plate, and posterior and ventral margins of 
epimera, pale; ostiolar peritreme pallid. 
Hemelytra brownish black, rather closely 
spotted with pallid, the spots frequently 
elongate or confluent, each pale point with 
a minute, short, scalelike hair; tip of clavus 
and spot at inner basal angle of cuneus ren- 
dered pallid by the fusion of several small 
points; cuneus black, a few pale points near 
base; width 1.54, emboliar margins arcuate, 
somewhat reflexed basally. Membrane uni- 
formly pale fuscous, the veins scarcely 
darker, slightly paler areas bordering mar- 
gin of cuneus. Legs brownish black; coxae 
scarcely paler at apices; middle and hind 
tibiae paler apically, a narrow pallid annulus 
near middle; front and middle tarsi pale 
fuscous, hind pair lighter. Venter brownish 
black, with pale yellowish pubescence. 
Mare.—Length 3.00, width 1.40; slightly 
KNIGHT: PLANT Bucs, or MirIpAE, oF ILLINOIS 63 
smaller than the female but very similar in 
structure and color; genital claspers promi- 
nent and distinctive. 
Hasits.—Collected by R. F. Hussey from 
beneath bark of white oak logs cut for fence 
posts. 
KNown DrstripuTion. — Alabama, Illi- 
nois and Michigan. 
Illinois Record.—Mereposia: Aug. 21, 
1917, sand pit, 19. 
CLIVINEMINAE 
Represented in Illinois by two tribes, the 
Largideini and Clivinemini, keyed out on 
D0: 
LARGIDEINI 
Largidea Van Duzee 
Largidea grossa Van Duzee 
Largidea grossa Van Duzee (1916c, p. 238). 
This species is allied to davisi Knight, but 
is distinguished by the thick, more inflated 
form of its second antennal segment. 
FEMALE.—Length 5.30, width 2.60. Head 
width 1.34, vertex 0.86. Rostrum extending 
slightly beyond middle of sternum, length 
1.50. Antennae, first segment, length 0.35, 
thickness 0.17; second segment, 1.73, strong- 
ly inflated, thickness 0.30 at middle, taper- 
ing off at either end. Pronotum, length 1.60, 
width at base 2.20, disk moderately convex, 
with coarse, rugulose punctation. Scutellum 
moderately convex, finely punctate. Clavus 
and corium with shallow, rugulose puncta- 
tion. Clothed with short, recumbent, pale 
to dusky pubescence. General color reddish 
brown, calli black, membrane fuscous, veins 
darker. 
Known DistriBUTION. — Originally de- 
scribed from Lake ‘Tahoe, California, and 
later found in Oregon and the Santa Cata- 
lina Mountains of Arizona. It occurs on 
pines. 
Illinois Record.—A single female speci- 
men in the Illinois Natural History Survey 
collection bears the data, “Havana, III, 
Sept. 21, 1895, at lights in town, collected 
by Hempel.” This specimen can be identi- 
fied only as Largidea grossa, although this 
species has always been considered to be 
restricted to the far western states. “This 
surprising distribution record cannot at the 
present time be explained. 
