ALEOCHARIDES. 157 



The following tabic will facilitate tlie determination of 

 the genera of the snl>family Akocharides : — 



A. Tarsi 4, 5, 5. 



a. First joint of posterior tarsi as long as second. 



I, Head constricted behind. 



1, Labial palpi two-jointed. Antalia. 



2, Labial palpi three-jointed. Homalota (part of ) 



II. Head not constricted behind. 



:/. Apex of mandibles entire. 



A A. Third joint of maxillary palpi longer and 

 much more slender than second ; last joint 

 small. Fhytosus. 



2? U. Third joint of maxillary palpi almost 

 shorter than second ; last joint equal to third. 



Silicsa. 



C C. Third joint of maxillary palpi rather 

 longer and stouter than second ; last joint 

 smalL ^ Homalota (part of) 



I) D. Third joint of maxillary palpi longer than 

 second, much thickened, nearly oval ; last joint 

 shorter, awlshaped. Actocharis. 



2. Mandibles short, apex split. Schistoglossa. 



h. First joint of posterior tarsi longer than second. 



I, Head constricted behind. 



1, Second joint of labial palpi rather shorter tlian 

 first. 



A A. Mandibles very slender and produced. 



Borhoropora. 



_B B, Mandibles not slender and produced, 



(t a. Thorax narrow at base. Falagria. 



h b. Thorax narrowed from middle forward. 



Bolitochara. 



2, First joint of labial palpi as long, or nearly as 

 long as second and third together. 



A A. Third joint of maxillary palpi much 

 thickened, Callicerus. 



