HEMIPTERA. 



257 



Reduviidas: antennge much larger than head and tarsi three-jointed. Cim- 

 icidae: abdomen entirely exposed. Henicocephaiidae: the front wings mem- 

 branous thruout. Nabidae: proboscis three-jointed. Emesidae: andPhymat- 

 idae: front legs for grasping, the former with very slender body. Anthochor- 

 idas: with an embolium. Saldidaa: proboscis reaching to middle coxae. 



Corisidae: hind feet without claws. Notonectidae: head not overlapping 

 prothorax. 



Aradidas: similar to Reduviidse but tarsi two-jointed. Tingidae: wings 



aT"-! 



^^x/ A 



' C. 



Figure 231. Diag-rams showing structure of Hemiptera and Aptera. 



longer than abdomen. 



Belostomidae: antennae shorter than head. Nepidae: body slender. Galgul- 

 idae: with ocelli. Nancoridae: legs not flattened. 



Thripidae: body very small and slender. Philocothripidae: without an ovi- 

 positor. Heliothripidae: ovipositor curving up. 



Gerridae: Legs as long or longer than body. Veliidae: body widestat pro- 

 thorax. 



Pediculidag. 



SCUTELLARINA. 



SCUTELLERID/E. 



Aulacostethus similans Uhl. 

 Camirus porosus Germ. 

 Cimex torridus — Pachycoris. 

 Eurygaster alternans Say. 

 Homeomus proteus Stal. 

 Odontoscelis VanD. 



Pachycoris fabricii — torridus. 



porosus — Cam i rus. 



torridus Scop. 

 Tetyra alternans — Eurygaster. 

 Zophcessa porosa — Camirus. 



