Neiv Species of Slaphylinidae front, Singapore. 361 



10. 



12, 



13. 



1st joint of tlie posterior tarsi a little 

 longer than the 2nd; thorax obtusely 

 angled before the middle, the sides 

 strongly contracted and sinuate pos- 

 teriorly ...... 



1st joint of the posterior tarsi as long as 

 the three following together; thorax 

 not obtusely angled before the middle . 



Labial palpi distinctly 3-jointed. 



Labial palpi obscurely 3-jointed. 



Tongue short and broad, bioadest at the 

 base, emarginate in front . 



Tongue longer, narrow at the base, moic 

 or less bifid ..... 



1st joint of the posterior taisi elongate, 

 about twice as long as the 2nd ; thorax 

 strongly transverse, convex, the pos- 

 terior angles acute and produced. 

 Mesosternal process narrow and 

 pointed, the intermediate coxae very 

 narrowly separated .... 



1st joint of the posterior tarsi short, 

 sub-equal to the 2nd; thorax much 

 less transverse, the posterior angles 

 not acute or produced. Mesosternal 

 process broad, truncate posteriorly, 

 keeled longitudinally in the middle 

 line, the intermediate coxae widely 

 separated ..... 



Tarsal formula 4, 4, 4. Labial jialpi 

 2-jointed . . 



Tarsal formula 3, 4, 4. Labial palpi 

 3-jointed : facies approaching Falagria 



Amaurodera Fauv. 



Falasria Mann. 

 11. 

 12. 



Pelioptera Kr. 



Atheta Thoms. 



Fenyesia Cam. 



Par atheta Cam. 

 Termitochus Silvestri. 

 Eusteniamorpha Cam. 



Aleochaeini. 



1. Maxillary palpi 5-, labial palpi 4-jointcd. 



— Maxillary palpi 4-, labial palpi 2-jointed. 



2. Anterior and middle tibiae spinose 



— Anterior and middle tibiae not spinose. 



3. Elytra not sinuate at the postero-external 



angle. Tongue moderately broad, 

 split to the middle into two narrow 

 lobes. 



Myrmedonella Cam. 

 Aleochara, Gr. 



