42 



CATALOGUE OF 



§ Fore border of the prothorax with a narrow rim. 

 X Callus of the front more or less pointed at the 



base, or extended into an almost rigbt angle. 

 o First joint of the bind tarsi as long as the second. 

 H- Areolels of the membrane half-round. . - Camptobeochvs. 



-J- Areolels of the membrane elongate-triangular. 



Tip of the scniellum obtusely short-conical - Conometopus. 



Tip of the sculellum curved downward. 



Head vertical, almost quadrangnJBr. - - Megacoelum. 



Head quadrangular, somewhat horizontal. - Homodemus. 



First joint of the hind tarsi shorter than the second. 



Rostrum short, extending to the niesopectus. - Brachycoleus. 



Rostrum extending to the hind coxaj or bejoud 



them. 

 Prothorax trapeziform, with straight sides. 



Rostrum extending to the secoml ventral segment. Calocoiiis. 



Rostrum extending to the middle of the abdomen 



beneath. 

 Head with almost parallel sides. - - Mfbidius. 



Head with angular sides. - - - PHyxocoRis, 



Prothorax elongate-trapeziform, with excavated 



sides. 



Second joint of the antennas cylindrical. 



Head horizontal. - - . . Alloeonotus, 



Head tumid. ----- Hallodapus. 



Second joint of the antennae clavale above. - Closteuotomus. 



Callus of the front curved. 



Second joint of the antennae cylindrical. - Pycnopterna. 



Second joint of the antennae clavate. 



Prothorax rectangular, almost cylindrical. - Geyllocoris. 



Prothorax trapeziform. 



All the joints of the rostrum stout. - - Rhopalotomus. 



Second, third and fourth joints of the rostrum 



slender. . . - . . Capsus. 



§§ Fore border of the prothorax with a broad rim or 



swelling. 



X Transverse callus of the prothorax limited by the 



side borders. 

 o Sides of the prothorax foliaceous in front. 

 oo Sides of the prothorax obtuse, almost tumid in 

 front. ------ 



X X Transverse callus of the prothorax extending to 

 the sides of the pectus, 

 o Areolet of the membrane elongate-triangular. 

 00 Areolet of the membrane curved. 



XI Neck with a complete transverse border, or with 



short rims by the eyes. 

 § Transverse border of the neck only visible by the 

 eyes. 

 X Third joint of the tarsi longer than the second. - Dichrooscvtus. 

 X X Third joint of the tarsi almost shorter than the 



second. - - . . . Liocoris. 



00 



ten 



+ 

 ++ 



+ 

 ++ 



XX 



o 



go 



*+ 



++++ 



Lopus. 



Hobistus. 



Dyoncus. 

 Campyloneuea. 



