STATE AGRICULTURAL SOCIETY. 
801 
say’s retebopterous hemiptkra. 
Inhab. Indiana. 
Body honey-yellow, very hairy: head short, almost rounded, 
sub-eqnally divided by a deeply indented line behind the eyes; 
posterior lobe vesicular, somewhat inflated, short; antenna; fus¬ 
cous, pale at base : rostrum, basal joint longer than the second 
and third together: thorax sub-equally divided by a deeply 
indented line; anterior lobo somewhat longer, deeply divided 
by a longitudinal lino ; posterior portion with an indented line 
before, and a blackish disk; scutel with three elevated lines 
and terminating in an acuminated spine; hemelytra dusky along 
the middle ; anterior tibite a little dilated at tip: beneath with 
a broad piceous vitta each side and a carinate line along the 
middle. 
Length one-fifth of an inch. 
When alarmed, the basal joint of the antennm, which is 
nearly as long as tlio head and thorax, is thrown backward and 
the second joint deflected. It is common. 
4. R. biceps, Yellowish ; hemelytra whitish; head bilobate. 
Inhab. Pennsylvania. 
Body a little hairy : head elongated; profoundly impressed 
behind the eyes, bilobate ; rostrum robust; second joint longest: 
antenna, second and third joints equal, fourth hardly shorter, 
and no less robust; basal joint shorter : thorax with two trans¬ 
verse impressed lines and a slightly indented longitudinal one : 
hemelytra and wings whitish; anterior feet somewhat robust; 
their tibim gradually dilated to the tip. 
Length to tip of hemelytra over one-tenth of an inch. 
* 1 he impressed line of the head is remarkably deep, giving 
The appearance of a double head; the impressed lino of tho 
thorax is on the posterior sub-margin, and the anterior impressed 
line is very obvious. 
5. R. insidiosus, Black; hemelytra pale at base of the corium; 
membrane milky-white. 
Inhab. U. S. 
Body very small, black, punctured : antenna whitish, somewhat 
hairy; basal joint blackish; second joint longer than the third: 
fourth joint as long as the third, a little dilated and compressed : 
thorax minutely rugulous transversely and with a slight trans- 
[Ag. Trans.J 31 
