2G8 SCYMNUS. 



Scymnus tenebrosus. 



Scymnus tenebrosus, Muls. Spec. p. 989. 74. 



Scymnus tenebrosus, Lee. rroc. Phil. vi. p. 140. 23 (1852). 



Subhemisphsericus, niger, pubescens, tliorace subtilius punc- 

 tulato, elytris minus dense punctulatis, pedibos testaceis. L. -095. 



Almost hemispherical, black, shining, covered with fine 

 pubescence. Head finely punctured, testaceous in the male, black- 

 in the female; mouth testaceous. Thorax sparsely and finely 

 punctulate, base margined, obtusely truncate at the middle, 

 obliquely subsinuate each side. Elytra distinctly but not densely 

 punctured. Beneath black, coarsely punctured; abdominal plates 

 a little shorter than the segment, posteriorly smooth. Feet 

 testaceous. 



Southern States, not common. 



Scymnus lacustris. 



Scymnus lacustris, Lee. Lake Sup. p. 239 (1850). 



Scymnus lacustris, Muls. Spec. p. 989. 75. 



Scymnus lacustris, Lee. Proc. Phil. VI. p. 140. 24 (1852). 



Scymnus nicjrivestis, Muls. Spec. p. 990. 



Breviter ovalis, convexus, niger, pubescens, elytris sat dense 

 punctatis, pedibos testaceis basi nigris. L. '09. 



Very similar to S. tenebrosus, but easily distinguished by the 

 colour of the feet. Oval, almost hemispherical, shining, black, 

 finely pubescent. Head finely punctured, mouth 'testaceous. 

 Thorax finely and sparsely punctured, base margined, truncate 

 in the middle, oblique each side. Elytra moderately densely 

 punctured. Body beneath black, densely punctured, more finely 

 upon the abdomen; abdominal plates scarcely shorter than the 

 segment, smooth, punctured at the base. Feet testaceous, femora 

 black for two-thirds the length. The apex of the abdomen of the 

 male is more deeply impressed than usual. Varies with the feet 

 entirely black. 



North shore of Lake Superior. 



Scymnus abbreviates. 



Scymnus abbrevialus, Lee. Pr. Ac. Phil. VI. 1852, p. 140. 25. 



Breviter ovalis, convexus, niger, pubescens, elytris confertim 

 punctatis, pedibus rufo-piceis, abdominis laminia brevibus. 

 L. -085. 



Oval almost hemispherical, blnck, densely pubescent. Head 

 finely and densely punctured. Thorax sparsely punctured on 

 the disc, densely at the sides, base finely margined, obtusely 

 rounded in the middle, Elytra densely and coarsely punctured. 

 Body beneath densely punctured; abdominal plates three-fifths as 

 long as the segment, margin smooth. Feet entirely dark rufous. 



Eagle Harbour, Lake Superior. 



