XANTHOLINUS. 275 



Pitch-black, shiny ; elytra Lrownish, lighter behind, with 

 outer apical angle pale yellowish ; antennae and legs red- 

 brown, second and third joints of former aljout equal in 

 length. Head closely and rather strongly punctured ; 

 thorax witli lateral rows composed of numerous })unctures ; 

 elytra punctured in tolerably regular rows, especially out- 

 ward. L. 2^ — 2| 1. Moderately common. 



L. hatychrus, Gyll. 



b. Thorax with dorsal rows composed of eight or ten 

 punctures. 



I. Elytra entirely dark brown ; length If — 2 lines. 



Head, thorax and abdomen pitch-black ; antennae and 

 legs red-brown. More elongate than L. hatychrus, with 

 sides of head less closely and more finely punctured, and 

 lateral rows of punctures on thorax more regular. Common. 



L. linearis, Gr. 



II. Elytra l)rown, w^ith apical half Ijrown-yellow ; 

 length 1| lines. 



Head, thorax and abdomen pitch-black ; antennae and 

 legs red-brown. Narrower than L. linearis, head more dif- 

 fusely punctured at sides. Elytra in proportion strongly 

 punctured ; apex of abdomen often red-brown. Common. 



L. formicetorum, Mark. 



Baiitolimis, 



Eeddish; head, elytra, and fifth and sixth abdominal 

 segments pitch-black. L. 3 1. llather common. 



B. alternans, Payk. 



Othius, 



A, Length 4| — 5| lines. 



Pitch-black ; elytra, apex of abdomen, antennae, and 

 legs red-brown. Common. 0. fulvi;pcnnis, Fab. 



B. Length 2^ — 2h lines. 



a. Elytra distinctly longer than thorax. 



Pitch-black ; a very narrow border at apex of elytra (and 

 sometimes their suture), legs, and antennae yellow-brow^n, 

 first three joints of latter pitch-brown. Middle pair of 



T 2 



