HEMIPTERA HETEROPTERA. 
1G9 
2. Ambracius phaleratus. 
phaleratus, Stal^ Rio Jan, Hem. 59. 
Kio Janeiro. 
Genus 25. HENICOCNEMIS. 
Henicocnemis, Stal^ Rio Jan. Hem. 53. 
1. Henicocnemis ai.bitarsis. 
albitarsis, Stal, Steit. Ent. Zeit. xiii. 320. 
Mexico. 
2. Henicocnemis patellata. 
patellata, Stal, Rio Jan. Hem. 53. 
Rio Janeiro. 
The following genus is staled to belong to this family. 
Genus CALLIPREPES. 
Calliprepes, White, Trans. Ent. Soc. Lond. iii. 93. 
Calliprepes Grayii. 
Grayii, White, Trans. Ent. Soc. Lond. iii. 94. 
Nepaul. 
DUCTIEOSTEA. 
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 ibis arrangement with the Remipeda. 
1. SPISSIPEDES. 
A. Head elongated and bifid between the antennae. 
Scutellum very short. _ _ - 1. PHTMAXiDiE. 
B. Head not elongated. Scutellum long. - 2. Macrocephalid^e. 
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