164 



PREDACIOUS AND PARASITIC 



some of whose species has been demonstrated beyond doubt, have 

 been divided by the same patient and illustrious naturalist under 

 the following heads : — 



Anthocarina (one of the four sub-families of the Cimicidce). 



Genera. 

 I. — Third and fourth joints of the antennae 



very fine and thin, clothed with long, 

 erect hairs ... ... ... 



2. — Anterior femora, hardly thicker than the 



intermediate pair ... ... ... Lyctocoris. 



3. — Anterior femora incrassated, much thicker 



than the intermediate pair ... ... Piezostethus. 



4. — Third and fourth joints of the antennae, 

 scarcely or not thinner than the preced- 

 ing, hairs not long and erect 

 5. — Cell of the wing, with a hook-like nerve... 

 6. — Pronotum, with a distinct apical collar ... 

 7. — Apex of the metasternum between the 



coxse, widely truncate 

 8. — Rostrum, reaching to the intermediate 



coxae 

 9. — Rostrum, not reaching beyond the centre 



of the mesothorax 

 10. — Apex of melasternum, rounded and nar- 

 rower 

 II. — Rostrum short, hardly reaching beyond 



the anterior coxse 

 12. — Apical collar of pronotum long, sides 



gradually diverging from it ... Anthocoris. 



13. — Apical collar short, sides widely rounded 



behind it ... ... ... Teiraphleps. 



14. — Rostrum reaching to the intermediate coxae Acompocoris. 

 15. — Pronotum without a distinct collar Triphleps. 



16. — Cell of the wing, without a hook-like 



nerve 

 17. — Species robust, pubescent 

 18. — Head short, scarcely longer than its width 



between the eyes ... ... Brachy steles. 



Temnostethus . 



Elatophilus. 



