794 
ANNUAL REPORT OF NEW-YORK 
say’s hetkropterous hemiptera. 
and having on the lateral margin a series of six or seven black 
spots ; beneath grayish, more or less varied with brown : venter 
brownish, with spots or lines of grayish. 
Length to tip of hemelytra more than one-tenth of an inch. 
In form much resembling T. cardui, F. It is not uncommon. 
3. T. mutica , Thorax and scutel with a single line; hemelytra 
with a brown spot. 
Inhab. Indiana. 
Body grayish brown, unarmed, not dilated on the margin; 
with much dilated punctures : antenna , second joint rather 
thicker than the first: thorax , with a paler, slender, glabrous 
line, and paler line each side: scutel with a paler line on tho 
middle and a short one each side, not elevated : hemelytra like 
the thorax with dilated approximate punctures; on the middle 
an obvious darker, irregular spot or band ; membrane reticulate 
with brown: beneath dusky : tibia paler. 
Length to tip of hemelytra over one-tenth of an inch. 
4. T. plexus, 1 horax and scutel trilineate; hemelytra obscurely 
and minutely reticulate. 
Inhab. U. S. 
Body brownish, more or less tinged with yellow, with dilated 
approximate punctures ; head with three elevated lines : thorax 
not dilated on the sides; with three elevated lines : scutel also 
with three elevated lines : hemelytra with small, symmetrical, 
oibicular reticulations of nervures; two series of which on tho 
lateral margin are a little larger ; those near the inner margin 
of the membrane also a little larger. 
Length to tip of hemelytra nearly three-twentieths of an inch. 
5. T. arcuata, dilated; nervures and edge ciliate with short 
spines; lateral edge of tho hemelytra arquated. 
Inhab. U. S. 
Whitish with brown spots; dilated; edge, excepting behind, 
and many of the nervures, ciliated with short spines; nervures 
pale brownish : thorax with an inflated carina, extending over 
the head, with one or two large brown spots; sides dilated, 
bullato, with a brown spot: scutel with an acute, highly elevated 
carina on the middle, on which is a brown transverse line: 
hemelytra with an inflated carina before the middle of each, 
