ALEOCHARIDES. 153 



H 1. Labial palpi with three joints ; 

 maxillary palpi with four joints. 



a ./. Inner margin of inner maxillary 

 lobe covered with thick soft hair, 

 without spines, but hooked at apex. 



Anterior tarsi with four joints, hinder pairs with five ; 

 head not constricted behind. 



A 2, Inner maxillary lobe ending 

 in one simple hook ; ligula narrow, 

 deeply cleft. 



Antennae short, only the third joint elongate, and half 

 as long again as second ; third joint of maxillary palpi dis- 

 tinctly longer than second ; second joint of labial palpi 

 rather shorter than first and third ; thorax more than double 

 as broad at base as long ; abdomen much narrowed behind ; 

 legs short, first joint of posterior tarsi longer than second. 



Dinar da, Leach. 



H 2, Inner maxillary lobe ending in 

 three or four hooks ; ligula broad. 



a 2. Ligula only slightly emargi- 

 nate in front. 



Antennae long, last joint very long; third joint of maxil- 

 lary palpi as long as, but much narrower than second; 

 labial palpi with second joint shorter than first, and third 

 than second ; thorax somewhat narrowed in front; abdomen 

 parallel-sided ; legs long, first joint of posterior tarsi longer 

 than second, as long as the last joint. AtcmcUs, Dillwyn. 

 h 2, Ligula cleft nearly to the 

 middle. 



Antennae longer than head and thorax, third joint longer 

 than second ; third joint of maxillary palpi not much longer 

 than second ; second joint of labial palpi a little shorter 

 than first and third. Thorax with transverse depression 

 and longitudinal furrow ; abdomen parallel-sided ; legs 

 rather slender; first joint of posterior tarsi longer than 

 second, as long as the last joint. Myrmedonia, Er. 



J) 1, Inner margin of inner maxillary 

 lobe bearing twelve or more closely- 

 placed spines toward apex. 



Second joint of antennae not longer than third ; second 



