HEMIPTERA HETEROPTERA. 



65 



§§ First joint of the .antennae Ion?. Prothorax 

 wilh four spines hindward. Fore win^s not 

 or hardly extending beyond the tip of the 

 abdomen ; fore area of the membrane a little 

 broader than the hind area at the base. 

 Legs rather long, slender ; fore femora much 

 thickened; fore tibiae straight, just shorter 

 than the femora ; tarsi small. 



[f First joint of the rostrum distinctly and very 

 often much shorter than the second. 

 % First joint of the rostrum distinctly longer than 

 the ante-ocular part of the head. Head 

 wilh a small tubercle or little spine behind 

 the antennas ; ante-ocular part a little shorter 

 than the post-ocular; ocelliferous part not 

 higher than the inter-ocular part. Forelegs 

 shorter than the hind legs. Apical angles 

 of the prothorax prominent, most often 

 acute. 



§ Legs moderately long. Side angles of the hind 

 lobe of the prothorax with a little tooth ; 

 hind angles disiincily lengthened. Scu- 

 tellum more or less depressed and foliaceous 

 at the tip. - 



§§ Legs rather long; fore femora somewhat 

 thickened. Side angles of the hind lobe of 

 the prothorax rounded, unarmed. Scutellura 

 equilateral, hardly foliaceous at the tip. 

 Areas of the membrane almost equally 

 broad. - 



J| First joint of the rostrum about equal in length 

 to the ante-ocular part of the head. Head 

 oblong or elongated. 

 § Ante-ocular and post-ocular parts of the head 

 equally long; ocelliferous part not higher 

 than the inter-ocular part. Legs rather 

 short; fore legs shorter than the hind legs ; 

 fore femora somewhat thickened. Prothorax 

 unarmed ; side angles of the hind lobe 

 rounded, unarmed ; hind angles slightly 

 lobate ; fore angles of the fore lobe distinctly 

 and rather acutely luberculate. Sciitellurn 

 triangular, slightly elongated at the tip. 



§§ Post-ocular part of the head longer than the 

 ante-ocular. Legs long; fore femora and 

 hind femora equally long, or the former 

 longer than the latter. 



X Side angles of the hind lobe of the prothorax 

 unarmed. 



o Ante-ocular and post-ocular parts of the head 

 almost equally long. First joint of the 



Debilia. 



Milyas. 



Pyrthosphodrus. 



CoSMOCLOPIUS. 



