488 CLAVICORNIA — ENDOMYCHIDAE. 



Otherwise similar to C. mfa. L. 1^ — IJ 1. Eather 

 common. G. scuteflata, Herbst. 



:ejvi) 03iychii)ab. 



A, Antennae inserted between eyes. 



a, Prosternum with a process between anterior coxae. 



Antennae with three larger apical joints ; mandibles with 

 split apex ; lobes of maxillae about equal in length, horny, 

 hairy at apex ; last joint of maxillary palpi hatchet-shaped ; 

 ligula straight in front, with a broad membranous border. 



Endomychus, Panz. 



h, Prosternum not produced between coxae. 



Antennae either gradually slightly thickened or with two 

 larger apical joints ; mandibles with simple apex and a 

 little tooth below it ; lobes of maxillae leathery, inner one 

 much shorter and narrower than outer ; last joint of maxil- 

 lary palpi long oval, bluntly pointed ; ligula very short, 

 hairy at sides. Lycoperdina, Latr. 



H, Antennae inserted before eyes. 



a. Antennae eleven-jointed, thorax with a longitudinal 

 impression on each side. 



I, Club of antennae with its first joint much smaller 

 than second ; mandibles three-toothed. 



Labrum straight in front ; lobes of maxillae about equal 

 in length ; second and thii'd joints of labial palpi about 

 equal in thickness. Mycetaea, Steph. 



II, Club of antennae with its first joint as large as 

 second ; mandibles two-toothed. 



Labrum very slightly emarginate in front ; inner lobe of 

 maxillae very short ; last joint of labial palpi nmch thicker 

 than second. Symhiotcs, Eedt. 



6. Antennae ten-jointed ; thorax without lateral impres- 

 sions. 



Body globular ; antennae ten-jointed, with three larger 

 apical joints ; mandibles split at apex, finely notched below 

 it ; maxillae with one horny lobe, liairy at apex ; ligula 

 horny, dilated toward apex. Alexia, Steph. 



