HEMIPTERA — NEPINA. 



26!- 



Nctonecta insulata Kirby. 

 shooteri Uhl. 



Plea striola Fieb. 



undulata Say. 



3EL0ST0MID/E. 



The larger Belostomidse are commonly known as electric light bugs, being 

 the largest insects commonly found flying about the lights. They live in the 

 water and are predaceous. 



SYNOPSIS OP GENERA. 



Belostotna: first joint of proboscis short. 



Zaitha. Deinostoma: metasternum with median carina. Pedinocris: mem- 

 branule very short. 



Belcstcma annulipes H.S. macronyx Mayr. 



dilatatum — Deinostoma. Zaitha f usciventris Duf. 



griseum Say. indentata— stolli. 



impressum — griseum. minor Duf. 



Dienostoma dilatatum (Say.) stolli A.&S. 



Pedinocris brachonyx IVlayr. 



NAUCORID>E. 



Ambryus pudicus Stal. 



signoreti Stal. 



CICADINA. 



CICADID>e. 



The harvest flies are provided with a very complex musical apparatus on the 

 base of the abdomen of the male. 



SYNOPSIS OF GENERA. 

 Tibicen: head narrower than thorax. Zammara: pronotum angularly dilated 

 Platypedia: front edge of the wing bowed as much as hind edge. 

 Cicada. 



Figure 240. Harvest flies. A. Platypedia 

 areolata. B. Tibicen rlmosa. 



Cicada ariolata — Platypenia. 

 cinctifera Uhl. 



Figure 239. Venation of Cicada. 



hesperia — Tibicen. 

 montezuma Diet. 



