92 IOWA STUDIES IN NATURAL HISTORY 
In briefly discussing this form Uhler says: ‘‘Like Huschistus 
variolarius and other species it becomes, when senile, suffused 
with red, is dusted with a whitish powder, and seems then to 
have a more decidedly penetrative odor in the fluid which it 
sprays from the aperture of its glands.’’ (il. c.) In the South 
this bug is said to feed upon cotton. 
Genus NEOTTIGLOSSA Kirby 
1837. NerorrigLossa Kirby, Rich. Faun. Bor. Am., IV, 276. 
This is a small genus containing about fifteen forms of which 
but four are found in America, the remainder being Palae- 
arctic in distribution. Two representatives are found in Iowa. 
Included among the principal generic characters are the follow- 
ing: 
Head triangular, very convex on dorsal surface, the juga distinctly 
longer than tylus. Pronotum with a more or less distinct median longi- 
tudinal ridge; cephalic angles of pronotum not projecting forward. Scu- 
tellum not acutely narrowed at apex. Apex of corium broadly rounded. 
Tibiae faintly sulcate. | 
Each of our two Iowa forms is placed in a distinet and read- 
ily recognizable subgenus. The characters given are adapted 
from Stal. 
Subgenus NEOTTIGLOSSA Kirby 
1872. NeortieLossa Stal, Svensk. Vet. Handl., 10, no. 4, 18. 
Head within lateral margins less tumescent, not incised before the eyes 
but gradually contracted before them; a pale subcalloused vitta extends 
posteriorly; sometimes it is less densely punctate than tylus; bucculae 
pale. Ostiolar orifices continuing outwardly in an oblique wrinkle. 
Subgenus Texas Kirkaldy 
1904. Texas Kirkaldy, Entomol., XXXVII, 280 (n. name for 
Melanostoma Stal). 
1909. Texas Kirkaldy, Cat. Hem. (Heterop.), I, 79 and 80. 
1872. ||Melanostoma Stal, Svensk. Vet. Handl., 10, no. 4, 18. 
Head within the lateral margins strongly tumid, subincised towards the 
eyes, more distinctly near the eyes, entirely, densely punctured; no distinct 
pale vitta as in the preceding; bucculae concolorous, black. Ostiolar ori- 
fices continuing outwardly in a distinct wrinkle. 
Key to the species 
Upper surface of head almost flat transversely, not tumidly 
elevated within lateral margins; bucculae pale, punctured; 
