(Page 484) 

 Forehead between eyes not impressed, rather slightly convex, its 

 grooves and their intervals more distinctive than in morio . 

 Abdominal foremost free dorsal joints with small carinae, which 

 however are distinct 32. 



32. Elytra distinctly longer than pronotum, most often uneven....... 33. 



Elytra scarcely longer than pronotum, without distinct impressions. 



L. 2.5-3 mm 26. St. subdepressus Rey. 



33. Pronotum somewhat longer than broad before the middle, feebly nar- 



rowing posteriorly. Abdomen finely and sparsely punctated. 



L. 3-3.5 mm 24. St. melanarius Steph. 



Pronotum scarcely longer than broad before the middle, posteriorly 

 rather strongly narrowing. Abdomen with rather robust and dense 

 punctation. L. 2.5-3 mm 25. St. atratulus Er. 



34. Elytra uneven. Legs entirely black. Pronotum as a rule with two 



obliquely placed impressions posteriorly. L. 2.5 mm 



28. St. pusillus Steph. 



Elytra smooth. Legs brownish-red or brownish-black with brownish - 

 red femoral base. Pronotum often with a feeble cavate impression 

 posteriorly at middle. L. 2-2.5 mm 29. St. nanus Steph. 



35. Abdomen rather broadly marginated at sides 36. 



Abdomen finely, in the C very finely marginated 38. 



36. Abdominal foremost free dorsal joints without distinct carinae at 



base. L. 3-3.5 mm 23. St. morio Sravh. (var.) 



Abdominal foremost joints with distinct carinae 37. 



-13- 



