June, 1915.] Guatemalan Hemiptera-Heteroptera. 
54i 
Edessa affinis Stal. 
Eight specimens: Puerto Barrios, Guatemala, March 3d, 
1905. 
Edessa rixosa Stal. 
Two specimens from Guatemala: Los Amates; Feb. 25th 
and Morales; March 8th, 1905. 
Edessa rufomarginata DeGeer. 
A common species for a large area in Central and South Ameri¬ 
ca. Guatemala: Los Amates, Feb. 18th; Puerto Barrios, March 
5th to 11th; Morales, March 8th; Panzos, March 18th, 1905. 
Stiretrus anchorago Fabricius. 
Two specimens, much smaller than the typical specimens 
found in United States, but otherwise similar: Puerto Barrios, 
Guatemala, March 3d, 1905. 
Family Cydnid^e. 
Pangaeus piceatus Stal. 
One specimen, taken at Gualan, Guatemala, Feb. 15th, 1905. 
Family Thyreocorid^e. 
Thyreocoris guttiger Stal. 
Four specimens: Los Amates, Guatemala, Feb. 10th to 
18th, 1905. Three specimens seem to be typical T. guttiger 
and the other is intermediate between this species and T. quadri- 
signatus Stal. These two species will probably merge with a 
more extended series. 
