(Page 117) 

 138. Antennal next-last three joints feebly transverse. Elytra not longer 



than their breadth together 13£. 



13S. Elytra longer thun pronotum. Head as a rule distinctly grooved at mid- 

 dle. L. 4-4.5 mm 128. H. insecta Thorns. 



Slytra not longer than pronotum. Head most often without distinct 



groove. L. 3.5-4 mm 129. H. pavens Er. 



140. Pronotum scarcely broader than long, glistening, antennal next-last 



Joints not transverse 141. 



Pronotum distinctly broader than long, modified shine. Antennal next- 

 last three joints distinctly transverse. L. 2.5 mm.: 138. H.velata Er. 



141. Head narrower than pronotum, in the o feebly grooved or slightly im- 



pressed,. . liody black glistening, rarely with feeble bluish re- 

 flection. L. 2.5-3 mm 136. H. carbonaria Mannh. 



Head as broad as pronotum, in the o broadly and deeply impressed. Body 



black with distinct bluish reflection. L. 3-3.5 mm 



137. H. ripicola Kiesv^i. 



First Serie. . 

 In all species in this series the abaomen is tapering. This character 

 is perhaps not always equally strongly emphasized, but is as a rule very 

 distinct. 77hile abdomen in few species such as marc id a , atramentaria et al. 

 occasionally and especially in the O may seem almost of equal breadth, the 

 rightful place for the species in this series is easily established by likce- 

 ness with other closely allied species. Notwithstanding that the species 

 belonging to subgenera Thamiaraea , :'otothecta , Lyprocorrhe and ratomicra 



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