i][cAtee — Kei/ to Nearctir Genera and Species of Geocorhix. 131 
Geocoris bullatus Say. 
Saida bidlata Say, 1 leteropterous heniiptera of North .Vinerica, New Har¬ 
mony, IiKliana. December, 1881, p. IS. Complete writings, \h)l. 
1, 185h, p. 836. [United States.] 
In tliis s})ecies the sides of body are more arcuate on tlie average' tlian 
in decoratus and tlie njeper surface Matter. The ground color is more 
griseons, and opaqne and there is more of a senncailonsed, porcelain-like 
appearance to the interspaces on ])unctnr('d jearts ol body. 
The forms of bullatios may be distinguished as fedlows; 
a. Averaging smaller, C()rinm with luscons mai’kings oidy on internal 
angle or along postei'ior margin, 
h. Scntelhnn hicoloreel. 
c. Scntellnm nsnally more densely pnnetate, exclnding marginal 
rows, there are on one-half the disk, 20 or more punctures. 
bullatus var. bullatus Say. 
ce. Scntellnm nsiially less densely pnnetate, exclnding marginal 
rows, there are on one-half the disk, 15 or fewer pnnctnres. 
bidlatiis var. discopterus Stab 
bb. Scntellnm entirely black. 
bullatus var. obscuratus JMontandon. 
aa. Averaging larger, corinm entirely fuscons to piceous. 
bullatus var. borealis Dallas. 
Geocoris bullatus var. bullatus Say. Loc. cit. 
Ophthalmicus griseus Jbdlas, List ... of Hendpterons Insects . . . of the 
British alnsenm. Part II, 1852, p. 585 [North America]. 
Ground color griseons to light yellow, head nsnally with mnch black, 
8 spots on hind margin, spot at base, and three on upper surface of tylns 
and cheeks, and si)ots nsnally present in callosities, yellow to orange; 
band across pronotnm in n'gion of callosities (sometimes pronotnm in 
t>'eneral), basal region, miildle liiu; and apical part <'»f scntellnm black; 
meml)ranal margin of corinm fnscons or with fnsccjns spots. Pronotnm, 
scntellnm and clavns and marginal parts of corinm copiously dark pnne- 
tnred, dark color sometimes rediuang or obscuring the spots or vittae on 
scntellnm and other parts of ground color nsnally clear. 
A brachypterons specimen has the fore part of pronotnm and scntellnm 
piceons, upper surface of these and hemelytra heavily dark i)nnctnred 
thronghont, and head, and legs light reddish brown. 
Length 8.25 to 4.25 mm. Itange: Maine to [Minnesota, Colorado, Cali¬ 
fornia, .Mississippi and Maryland. 
Geocoris bullatus var. discopterus Stab 
Geocoris discopterus Stal, Ennmeratio I lemipterornm, 4, Kgl. Svenska 
Vet. Akad. llandl. 12, No. 1, 1874, p. 186 [New Jersey]. 
A small, coarsely pnnetate, brachypterons form which intergrades with 
variety bullatus. 
