380 



Dr. Malcolm Cameron 



Each elytron with a rounded, well- 

 defined yellow spot at the middle of 

 the -base; posterior angles of the 



(4:8) favoguttatum Cam. 



thorax yellow 



5. Antennae very long and slender, the 



joints not appreciably compressed . (50) championi Cam. 

 • — Antennae shorter, the joints distinctly 



compressed. 6. 



6. Abdomen shining ; species shining, much 



less thickly punctured and pubescent . (49) abdominale Cam. 



— Abdomen dull; species more opaque, 



much more thickly punctured and 



pubescent. 7. 



7. Species larger and moie robust. Length 



5 mm (46) robuslum Cam. 



— Species smaller and less robust. Length 



3-3-5 mm. 8. 



8. Pectinations of the anterior tibiae on the 

 I outer border testaceous; posterior 



third of the elytra obscurely red- 

 dish . . . . . . (51) walkeri Cam. 



— Pectinations of the anterior tibiae on the 



outer border, black; elytra uni- 



colorous. 9. 



9. Species larger and broader; black. 



Length 3-5 mm. .... ceylanense Kr. 



— Species smaller and narrowci; reddish- 



brown ..... (47) rnfohnmneum Cam. 



10. Base of the thorax with a black, sub- 



triangular spot on either side of the 

 middle line (sometimes united); base 

 of the elytra broadly, and apex 

 narrowly, rufo-testaceous ; 4th visible 

 abdominal segment (except the pos- 

 terior border) black .... suam Fauv. 



— Base of the thorax immaculate; elytra 



obscurely darker posteriorly ; abdomen 



concolorous ..... {52) perphxiimCaim. 



11. Base of the thorax with a black spot on 



either side of the middle line; elytra 

 with a black fascia extending from the 

 lateral margin nearly to the suture; 

 6th to the 10th joints of the antennae 

 black ..... (53) nirjromaculalum Cam. 



