274 BRACHELYTRA STAPHYLINIDAE. 



and more feeble than in X. linearis. L, 3| — 4 1. Common. 



X. longivcntris, Heer. 



b h. Elytra pitcli-brown or brown. 



Head and abdomen l)ronze-black ; antennae red-brown ; 

 legs piteb-brown. Head somewhat dilated at sides; thorax 

 wfth dorsal rows composed of about twelve fine punctures ; 

 elytra shorter than in X. loiujiventris, punctuation rather 

 numerous, partly in rows, and somewhat stronger than that 

 of thorax. L. 3| 1. Common. X. linearis, 01. 



h. Each side of thorax with a deep, slightly curved, 

 punctured furrow, disc smooth. 



Deep black ; elytra red ; antennae and legs pitchy, tarsi 

 reddish. Head with scattered, deep, oblong punctures; 

 elytra with a more or less regular row of punctures on disc 

 and near suture and scattered punctures in interval. L. 4 1. 

 Not uncommon. X. fu/r/idus, Fab. 



B. Upper side marginal line of thorax continued only to 



hinder margin of prosternum. 



Flat. Black ; elytra and legs red-yellow ; antennae red- 

 brown. Head diffusely and finely punctured, more strongly 

 at sides, posterior angles not rounded off; thorax diffusely 

 and finely punctured, with two rows of about seven or 

 eight rather fine punctures on each side. L. 3 J 1. Very 

 j.£^j.Q_ X. lentus, Gr. 



Leptacimis. 



A, Scutellum with two or three impressions ; length 2f 

 lines ; body broad. 



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

 outer apical angle pale yellowish ; antennae and legs red- 

 brown, third joint of former almost shorter than second. 

 Head diffusely and strongly punctured behind eyes ; thorax 

 with dorsal rows composed of five or six punctures, and 

 the slightly curved lateral rows of five punctures ; elytra 

 with several rather irregidar rows of fine punctures. Mode- 

 rately connnon. L. parun^mnctatus, Gyll. 



B. Scutellum smooth ; length not exceeding 2|- lines ; 

 body narrower. 



€1. Thorax with dorsal rows composed of from twelve to 

 sixteen punctures. 



