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 5. Subgenus Tesnus Rey. 



55. Abdominal first three free dorsal joints with 4 small carinae at 



base. Hind tarsal fourth joint simple 56. 



Abdominal foremost free dorsal joints without carinae at base. 



Hind tarsal fourth joint feebly cleft 58. 



56. Head as broad as elytra. Thorax dull. L. 2.5 mm.: 53. St. opticus iravh. 

 Head narrower than elytra. Thorax somewhat glistening 57. 



57. Head peculiarly narrow, hardly broader than pronotum. Legs black. 



L. 2.5-3.5 mm 54. St. crassus Steph. 



Head a little broader than pronotum. Legs pitch-brown or brownish 



red. L. 2.5 mm 55. St. litoralis Thorns. 



58. Elytra hardly longer than pronotum. Legs brownish-red. L. 2.5 mm. 



56. St. brunnlpes Steph. 



Elytra distinctly longer than pronotum. Legs black. L. 3.5-4 mm. 



57. St. nigrltulus Oyllh. 



6. Subgenus Hypostenus Bey. 

 59>. Head small, only about half as broad as the broad, venter-shaped 



convex elytra. Abdomen strongly conically tapering. L. 2.5 mm. 



64. St. fornlcatus Steph. 



Head about as broad as elytra. Abdomen less strongly, or feebly 



tapering 60. 



60. Antennal first or first two joints black 61. 



Antennal first joint as well as the nearest following and middle 



joints yellow 64. 



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