152 BRACHELYTRA — ALEOCIIARIDAE. 



broader at apex ; first joint of posterior tarsi ratlier 

 elongate. Leptiosa, Fairm. 



JB b. Paraglossae scarcely prominent ; base 

 of thorax distinctly emarginate on each 

 side. 



Thorax double as broad as long ; abdomen parallel- 

 sided ; first joint of posterior tarsi moderately elongate. 



Euryusa, Er, 



JB JB, Second joint of labial palpi distinctly nar- 

 rower than first. 



a a. Labial palpi with more than two joints. 



A a, Ligula entire. 



A 1, Abdomen narrowed from base to 

 apex. 



Ligula short ; labial palpi three-jointed, joints distinctly 

 separate ; body liroad ; posterior angles of thorax sharp 

 right angles ; all tarsi five-jointed, first joint of posterior 

 pair elongate. Homoeusa, Kr. 



J5 1. Abdomen parallel-sided, with only 

 extreme apex narrowed. 



Ligula very short ; laliial palpi three-jointed, joints dis- 

 tinctly separate ; liead small, not constricted behind; thorax 

 almost double as broad as long, slightly sinuate on each 

 side of base, posterior angles slightly obtuse ; elytra feebly 

 sinuate at posterior angles ; all tarsi five-jointed, first joint 

 of posterior pair elongate. Microglossa, Kr. 



JB b, Ligula cleft. 



A 1, Labial palpi with four joints; max- 



'. Ligula cleit. 



L 1, Labial palpi with four joints ; 

 illary palpi with five joints. 



'V thnn bp.nd nud tlioraA'. first thrp.e 



Antennae shorter tlian head and thorax, first three joints 

 elongate ; spines scattered all along the inner margin of 

 horny part of inner maxillary lobe ; ligula short and broad, 

 cleft to about the middle ; head not constricted behind ; 

 thorax much broader than long, posterior angles rounded ; 

 abdomen parallel-sided or somewhat narrowed behind, 

 ratlier thick ; legs short, tibiae closely covered with bristles, 

 all tarsi with five joints, first joint of posterior pair dis- 

 tinctly longer than second. Aleochara, Grav. 



