HEMIPTERA HETEROPTERA. 



45 



NUDIEOSTRA. 



The great multitude of generic names that have been lately applied to 

 the tribe of Nudirostra are here noticed, but being in many cases an 

 incumbrance they are kept somewhat in subordination, and are considered 

 as divisions and not as genera. 



a. 



* 



t 



t 



n 



§ 



X 



U?1U?1 



Antennae long. Alticornia. 



Head forming a neck behind the eyes. Nudi- 



collia. 

 Head shorter than the prothorax. Humigradi. 

 Fore coxae short. Brevicoxae. 

 Joints of the antennae inserted in the preceding 

 joints before the tips of the latter; fourth 

 joint thick. Ramicornia. - 

 Joints of the antennae inserted in the preceding 

 joints at the tips; fourth joint setiform. 

 Caulicornia. 

 Fore tibiae and (most often) middle tibiae with a 

 spiny furrow at their tips beneath. Spongi- 

 pedes. 

 Head more or less elongated or triangular in 

 front of the eyes. Antenniferous tubercles 

 slightly prominent. 

 Head more or less elongated in front. Eyes 



not usually very prominent. 

 Scntellum not bifid at the tip. 

 Transverse furrow of the piothorax near the 



hind border. - 



Transverse furrow of the prothorax near the 



fore border. - 



Scutellum bifid at the tip. - - - 



Head transverse. Eyes very prominent or 



petiolated.- - 



Head truncated in front. Antenniferous 

 tubercles very long and prominent. 

 ) Fore tibiae and middle tibiae with no spongy 

 furrow. Siccipedes. 

 Head triangular, more or less elongated in 

 front. Conocepsi. 

 i Thorax not tumid. 

 Ocelli very wide apart. Fore tarsi very small, 

 received into a notch of the fore tibiae above. 

 ■ Ocelli more or less approximate. Fore tarsi of 

 the usual length, not received into a notch 

 of the fore tibiae. 

 • Claws of the tarsi compressed ; a tooth at their 



base. 

 » Body oval. Abdomen dilated, broader than the 

 fore wings. - 



Body elongated, nearly linear. Abdomen not 

 usually broader than the fore wing6. 



1. HoLOPTILIDiE. 



2. PlRATlD£. 



3. Reduvid^e. 



4. EcTRICHODID-iE. 



5. Macropid*:. 



6. SALYAVATIDiE. 



7. Apiomerid^e. 



8. Harpactorid.£. 

 9. Zelid.e. 



