272 BRACHELYTRA — STAPHYLINIDAE. 



fl. Thorax with a pair of straight rows of punctures on 

 disc and a curved one on eacli side. 



J. Head coarsely punctured. 



1. Elytra bright red. 



Head, thorax and abdomen black ; antennae and legs 

 pitch-brown, tarsi reddish. Head punctured all over dif- 

 fusely, very finely, with scattered, coarse, deep punctures 

 at sides ; thorax diffusely and extremely finely punctured, 

 each of the rows formed of about six or eight strong punc- 

 tures ; elytra irregularly, diffusely punctured. L. 5 — 6 1. 

 Common. X. glair atus, Gr. 



2, Elytra black or pitch-brown. 



A A, Antennae and legs pitchy; elytra black, 

 with a greenish reflection. 



Deep black, strongly shining. Body distinctly broader 

 than X. ochraceus; head a little shorter, the punctuation 

 less close but rather strong at sides, the punctures oblong 

 and often confluent ; thorax with extremely fine, scattered 

 punctuation, tlie dorsal rows formed generally of six and 

 the side rows of a larger number of strong punctures ; 

 elytra diffusely, rather deeply punctured, usually with two 

 regular rows of punctures on the outer part. L. 3| 1. 

 Common. X. punctulatus, Payk. 



S Ji. Antennae and legs red-brown ; elytra 

 pitchy or dark brown. 



a a. Thorax with dorsal and side rows each 

 containing from eight to ten or even twelve 

 not very strong punctures. 



Black, moderately shiny; sides of head moderately 

 closely, strongly punctured, with also a finer scattered 

 punctuation ; thorax without scattered fine punctuation 

 but shewing when strongly magnified, extremely fine, 

 transverse striation ; elytra not very closely, rather irregu- 

 larly punctured, usually in rows toward outer margin. 

 L. 3 1. Not uncommon. X. ochraceus, Gyll, 



6 6. Thorax with dorsal rows containing only 

 five or six rather strong punctures ; those of 

 side rows somewhat more numerous. 



Similar to X. ochraceus, but with thorax and elytra 

 rather darker ; antennae stronger; head smaller, more dif- 



