Biological Papers. 191 



Family TlNGID^. 

 Corythuca pergandei Held. May, at night (metatype) ; October. 



Family Aradid^. 

 Aradus quadrilineatus Say. May. 



Family Reduvid.e. 

 Oncerotrachelus acuminatus Say. May. 



Pygolampis pectoralis Say. June and July, all at electric light. 

 Stenopoda culiciformis Fab. July, at street lamp. 



Reduvius personatus Linn. May, at night; June, at night; July; August. 

 Acholla multispinosa De G. July; July, twilight; August; September; Oc- 

 tober. 

 Sinea raptoria Stal. June. 

 Reduviolus pallescens Reut. May, at night. 



Family Capsid.e. 

 Psallus delicatus Uhl. May. 

 Plagiognathus politus Uhl. June; June, twilight; July, at night; September. 



annulatus Uhl. May; June, twilight; August. 

 Orthotylus flavosparsus Sahl. July, August. 



diaphanus Kirsch. Identified by Mr. Otto Heidemann as "prob- 

 ably" this species. June, twilight. 

 Ceratocapsus (Melinna) fasciatus Uhl. August; August, twilight. 



lutescens Reut. August. 

 Ilnacora (subgenus Corinala) stalii Reut. May, June, August, September. 

 (Sthenarops) chloris Uhl. June, 

 malina Uhl. June. 

 Lygus distantii Atk. (= scutellatus Distant). May, immature; July, 

 invitus Say, dark variety. June, 

 monachus Uhl., var. May, June, 

 plagiatus Uhl. April. 

 Miridius, not recognizable. August, at night. 

 Stenodema (Miris) instabilis Uhl. (= afRnis Reut.) April, June. 



Callimiris tarsalis Reut. July; August, at electric light. 



Family Belostomatid^. 

 Benacus haldemanum (Leidy) Stal. (=grisea Say.) May and July, all at 



electric light. 

 Amorgius uhleri Mont. July, at electric light. 



