June, 1915.] Guatemalan Hemiptera-Heteroptera. 541 



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 Sth, 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 nth; Morales, March Sth; Panzos, March ISth, 1905. 



Stiretrus anchorage Fabricius. 



Two specimens, much smaller than the typical specimens 

 found in United States, but otherwise similar: Puerto Barrios, 

 Guatemala, March 3d, 1905. 



Family Cydnid^. 

 Pangaeus piceatus Stal. 



One specimen, taken at Gualan, Guatemala, Feb. 15th, 1905. 



Family Thyreocorid^. 



Thyreocoris guttiger Stal. 



Four specimens: Los Amates, Guatemala, Feb. 10th to 

 ISth, 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. 



