248 BRACHELYTRA — STAPHYLINIDAE. 



Elytra and abdomen diffusely, rather strongly punctured. 

 L. 3| 1. Not common. Q. xanthopus, Er. 



2> -B. Eyes rather small, round or rotundate- 

 oval, almost shorter than temples. 



a a. Frontal seta placed far from neck ; 

 thorax with a row of three impressions on 

 each side of disc before middle. 



A a. Penultimate joints of antennae longer 

 than broad. 



Eed-brown; head pitch-black ; disc of thorax and upper- 

 side of abdomen (except apical margins of segments) pitch- 

 brown. Head orbiculate-oval, ocular seta remote from 

 eyes ; elytra rather closely and moderately strongly punc- 

 tured ; dorsal abdominal segments without erect apical 

 setae. L. 4 1. Very rare. Q. longicornis, Kr. 



i5 b. Penultimate joints of antennae some- 

 what broader than long. 



Pted-brown; head and disc of thorax black; base of 



abdominal segments and usually outer apical angle of 



elytra pitch-brown. Genae scarcely margined in front ; 



third joint of antennae only a little longer than second ; 



elytra dih'usely and rather strongly punctured. L. 3 1. 



Rare. Q. scitus, Gyll. 



h b. Frontal seta approximated to neck ; 



thorax with a single impression on each side 



of disc. 



Short. Dark pitch-brown; elytra, margins of abduminal 

 segments, antennae and legs red-brown. Penultimate 

 joints of antennae somewhat broader than long; elytra 

 diffusely and rather hnely punctured ; genae margined 

 througliout. L. 2 — 2i 1. Eatlier common. Q. hrcvis, Er. 



2, Elytra very indistinctly punctured or impunc- 

 tate, with some more distinct punctures arranged 

 in rows. 



A A, Elytra witli a row of diffusely placed 

 indistinct punctures in middle and another 

 near suture, otherwise impunctate ; antennae 

 black, with first three joints red brown. 



Black ; elytra, margin of abdominal segments and legs 

 red-brown. Antennae rather short, penultimate joints 



