HEMIPTERA HETEROPTERA. 169 



2. Ambracius PHALEEATUS. 

 phaleratus, Stal, Rio Jan. Hem. 59. 

 Rio Janeiro. 



Geuus25. HENICOCNEMIS, 

 Henicocnemis, Stal, Rio Jan. Hem. 53. 



1. Henicocxemis albitarsis. 

 albitarsis, Stal, Slelt. Enl. Zeit. xiii. 320. 

 Mexico. 



2. Henicocnemis patellata. 

 patellata, Slal, Rio Jan. Hem. 53. 



Rio Janeiro. 



The following genus is staled to belong to this family. 



Genus CALLIPREPES. 

 Calliprepes, JVhile, Trans. Ent. Sac. Land. iii. 93. 



Calliprepes Grayii. 

 Grayii, White, Trans. Ent. Soc. Loud. iii. 94. 

 Nepaul. 



DUCTIROSTEA. 



A. Fore legs raptorial ; femora very thick. - - 1. Spissipedes. 



B. Fore legs not raptorial. 



a. Body generally with membranaceous appendages. 



Fore wings usually longer and broader than the 



abdomen, with reticulated veins. - - 2. Membranacea. 



b. Body flat. Fore wings generally shorter and 



narrower than the abdomen, with irregular 



veins. ------ 3. Corticola. 



c. Groove for the rostrum extremely slight. Fourth 



joint of the antennae setiform. - - - 4. Lecticola. 



The Lecticola are more allied to the Nudirostra than to the Ducti- 

 rostra, and have much affinity to the Anlhocoridae and Microphysidae. 

 The Ripicola are associated in this arrangement with the Remipeda. 



]. SPISSIPEDES. 



A. Head elongated and bifid between the antennae. 



Scutellum very short. ... 1. PHYMATiDiE. 



B. Head not elongated. Scutellum lonjr. - 2. MACKocEPHAUDi;. 



