360 



AN INTRODUCTION TO ENTOMOLOGY 



Fig. 410. — Nabidae. 



Fig. 411. — JMiridEe. 



Fig. 412, — Pyrrhocorid^. 



Fig. 413.— Lygaeidae. 



Fig. 414. — Coreidae. 

 Figures 408 to 414. — Diagrams illustrating the types of hemelytra characteristic 

 of several families of Hemiptera. 



• Family CORIXID^* 



The Water-Boatmen 



The family Corixidffi includes oval, gray-and-black mottled bugs, 

 usually less than half an inch in length, which live in lakes, ponds, 

 and streams, in both stagnant and running water. The characteristic 

 form and markings of these insects are shown in Figure 415. 



The name of the typical genus of this family, Corixa, is evidently 

 from the Greek word coris, meaning a bug. For this reason many 

 writers have spelled the generic name Corisa and the family name 

 Corisidce. This name was probably given to these insects because 

 they have an odor like that of the bedbug. 



The water-boatmen exhibit some striking peculiarities in struc- 



*Corixidae, Corixa, a misspelling of Corisa: coris («6/"s)i a bug. 



