HEMIPTERA HETEROPTERA. 





}f Ocelliferous part of the head not or scarcely ele- 

 vated. Middle coxse rather remote. Anterior 



feinora unarmed. - Thymbreus. 



ff Head tumid behind the eyes, abruptly straightened 



hindward. 

 | Third joint of the hind tarsi as long as the first 



and second joints together. Ocelliferous part 



of the head slightly elevated. - - Pirates. 



H Third joint of the hind tarsi longer than the first 



and second joints together. Ocelliferous part 



of the head not elevated. - - Fusius. 



** Neck of the head with a more or less elevated 



tubercle on each side, 

 f Fore femora beneath compressed, widened. - Phalantcs. 



ff Fore femora convex beneath, not widened. 

 J Apical spongy part of the fore tibia? lengthened 



into a plate, which is a little longer than half 



the length of the fore tarsi. - Tvdides. 



JJ Apical spongy and lengthened part of the fore 



tibiae shorter by more than half than the fore 



tarsi. 

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



equally long. Body narrow. - - Phorus. 



§§ Ante-ocular part of the head longer than the post- 

 ocular part. 

 X Body oblong-ovate. Prothorax granulated ; hind 



angles prominent, not rounded at the tips. 

 X X Body elongate or very oblong. Prothorax not 



granulated; hind angles rounded at the tips. Catajiiabus. 



o Spongy furrow more than half the length of the 



libia, sometimes almost as long as the latter. 

 -+■ Scutellum subequilateral or shorter than broad, 



not with an apical spine. - Ectomocoris. 



H — h Scutellum longer than broad, elongated at the tip, 



sometimes rather reflexed. Prothorax very 



distinctly straightened somewhat behind the 



middle, in short-winged females long behind 



the middle. 

 ■*-+ Scutellum forming at the tip a long, slender, sub- 

 filiform, obtuse, slightly reflexed spine. Third 



joint of the hind tarsi distinctly shorter than the 



second or than the first and second together. - Callisphodrus. 

 -4-+++ Scutellum somewhat elongated at the tip. Third 



joint of the hind tarsi as long as the first and 



second together. .... Macbosandalus. 

 oo Spongy furrow hardly half the length of the fore 



tibiae, a little more than one-third of the length 



of the middle tibiae. 

 X Fore lobe of the prothorax compressed on the hind 



border. - Cleptocokis. Sphodrocoeis. 



X X Fore lobe of the prothorax not compressed on the 



hind border. .... Spilodebmus. 



b. Fore tibia? broad, flat above. ... Androclus. 



