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56. Pronotum distinctly narrower than elytra, which are '/5 longer than same. 



L. 3.5-4 mm 40. K. aquatica Thome. 



57. Antennal first three Joints reddish-yellow, their distal joint, espe- 



cially in the o . rather lonj. L. 3.5-4 ram. (Fig. %?) 



39. H. castanoptera Mannh. 



Antennae entirely black or brov-nish-black with brownish base. Antennal 

 distal joint shorter 58. 



58. Elytra brownish-yellow, a large, triangular, well bounded spot around 



scutellum also the hind corners black. L. 3.5 mm. ..43. U. trianjulum Kr. 

 Elytra rather unicolorous brown or black-brown 5f. 



59. Antennal second and third Joints equally long. Pronotum narrower than 



elytra. L. 3.5-4 mm 41. H. euryptera Steph. 



Antennal third joint longer than the second. Body rather evenly broad 



and pronotum almost as broad as elytra. L. 3.5 mm.. 42. H.ebe n ina V.uls. 

 6C. Posterior margin of elytra inside the outer corners very indistinctly 

 or not Incurved: 12. subg. Atheta Muls 61. 



Posterior margin of elytra inside outer corners distinctly Jnourvel; 



13. subJ. ?»;ycota Muls "6. 



61. Elytra brownish yellow, a large, triangular, rather sharply bounded spot 

 around scutellum also the outer hind corners blark or murky, so that 

 the brownish yellow color at middle is more sharply defined. 62. 



Elytra rather unicolorous brown, brownish black or black, or yellow- 

 brown with a feeble, blackish-shaded spot around scutellum and on 

 the hind corners ^4. 



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