HEMIPTERA HETEROPTERA. 83 



-+- Body elongate. - - - - - 21. Ischnodemus. 



— »- Body oval. 



++ First joint of the antennae nearly as long as the 



head. ----- 12. Aphanus. 



►++ First joint of the antennae very short. - - 23. Blissus. 



IX First joint of the antennae as long as the head. 37. Thaumastopus. 



X\X First joint of the antenna) longer than the head. 

 § Legs not long. ----- 33. CEdancala. 



§§ Legs very long. ----- 18. Orthma. 



ft Head attenuated hindvvard. ... 34. Myodocha. 



b. Fore femora twice longer than the hind femora. 35. Pachygrontha. 



B. Antennae 3-jointed. - 36. Tritomacera. 



Genus 1. ASTACOPS. 



Astacops, Boisd. Voy. Astrol. ii. 637. Stal, Hem. Afr. ii. 125. 



1. Astacops australis. 

 australis, Boisd. Voy. Astrol. ii. 637, pi. II, f. 15. 

 New Guinea. 



2. Astacops Dorycus. 

 Dorycus, Boisd. Voy. Astrol. ii. 638, pi. 11, f. 16. 



Luteus scutello nigro, pedibus elylrisque rubris. 



Var. /?. ? — Testaceous. Eyes, rostrum and scutellum black. Antennae 

 and legs reddish. Abdomen beneath with three broad abbreviated black 

 bands. Corium blackish towards the tip. Membrane blackish, pale 

 cinereous towards the tip. Var. y.? — Like var. (3. Scutellum testaceous. 

 Abdomen black. Corium straw-colour, red along the exterior border. 

 Var. 8. — Like var. /3. Hind femora mostly black. Corium luleoui. 

 Membrane dark brown, blackish at the base. Var. c. — Like var. S. Hind 

 femora pale. Membrane pale brown. 



a. New Guinea. From Mr. Wallace's collection. 



b. Aru. From Mr. Wallace's collection. 



c. Ke. From Mr. Wallace's collection. 



d. Ke. Presented by VV. W. Saunders, Esq. 



e. New Guinea. Presented by W.,W. Saunders, Esq. 



3. AsTACors Afzelii. 

 Afzelii, Stal, Hem. Afr. ii. 125. 



Sierra Leone. 



4. Astacops plasiata. 

 plagiata, Stat. A. S. E. F. \mc Sir. v. 186. 



Var. ft.? Luleous. Scutellum and dorsum of the abdomen black. 

 Abdomen beneath with three abbreviated black bands. Corium black ut 



F 



