New Species of Staphylinidae from Singapore. 381 



Base of the thorax immaculate, elytra 

 without dark fascia; 6th to the 10th 

 joints of the antennae scarcely infus- 



cate 



(54) rufotesiaceum Cam. 



Tachinomorphus Kr. 



1. Last joint of the antennae testaceous, 



the penultimate joints much less 



transverse ..... fiiJvipes Er. 



— Last joint of the antennae black, the 



penultimate joints strongly transverse ceyloniciis Bemh. 



Coproporus Kr. 



1. Antennae entirely testaceous. 



— Antennae at least in part dark. 



2. 4th joint of antennae longer than broad, 



the penultimate joints scarcely trans- 

 verse; head and thorax entirely im- 

 punctate; species smaller (1-75 mm.), 

 rufo-testaceous .... 



— 4th joint of the antennae distinctly trans- 



verse, the penultimate joints distinctly 

 transverse; head and thorax exceed- 

 ingly finely punctured; species larger 

 (2-2 mm.), black, pitchy or more or less 

 rufo-testaceous .... 



3. 5th joint of the antennae strongly trans- 



verse; elytra finely but distinctly 

 punctured; species minute. Length 

 1 mm. ...... 



— 5th joint of the antennae not transverse ; 



species larger. 



4. 5th joint of the antennae distinctly longer 



than broad. 



— 5th joint of the antennae as long as broad. 



5. Head clear reddish-testaceous ; species in 



great part reddish-testaceous, 



— Head black or pitchy-red. 



6. Elytra testaceous-yellow without dark 



markings ..... 



— Elytra testaceous-yellow at the base, with 



a large black spot not extending to the 

 suture or the lateral margin 



(57) parvuliis Cam. 



(56ffl) varians Cam. 



atomvs Kr. 



secretus Bernh. 



fasciipennis Kr. 



