160 BRACHELYTRA — ALEOCHARIDAE. 



and middle of abdomen blackish. Tliorax with a short, 

 fine central furrow in front, each side of base with two im- 

 pressions, the outer one round, the inner one oblong. 

 L. 1 1. Common. A. impressa, 01. 



Ji. Upper-side entirely black. 



a. Central furrow on thorax perceptible in front only. 



Similar to A. riviUaris but with thorax more evidently 

 punctured, central channel perceptible in front only; 

 lateral depressions also not so deep, those at base of elytra 

 shorter ; abdomen evidently punctured, apex concolorous. 

 L. 1 1. Not uncommon. A. imncticollis, Sharp. 



h. Central furrow on thorax tolerably deep throughout. 



Black, shiny, with fine pubescence ; antennae and legs 

 reddish-pitch-brown. Thorjix with a tolerably deep central 

 furrow (reaching from base nearly to apex), and two im- 

 pressions on each side of base, the outer one round, the 

 inner one oblong and reaching to middle. L. 4 1. Common. 



A. rivnlaris, Gr. 



Bovhoyopora, 



Eather flat. Pitch-black, sliiny, with gray pubescence ; 

 elytra and legs brown. Head broad, transversely sub- 

 quadrate, excavated behind, forehead deeply channeled; 

 thorax narrower than head and elytra, with wide basal 

 depressions and indistinct central furrow ; abdomen closely 

 and finely punctured throughout. L. 1^ 1. Rare. 



B. Kraatzi, Fuss. 



Falatfria. 



A. Thorax with a deep central furrow. 



a. Scutellum without any longitudinal fuiTOW. 



Head and elytra dark red-brown ; thorax, base of an- 

 tennae, and legs lighter; abdomen pitch-brown, closely 

 punctured. L. 1^ 1. Rather common. F. thoracic a, Curt. 



6. Scutellum with a longitudinal furrow. 



I. Thorax and elytra very finely, abdomen closely and 

 finely punctured. 

 Pitch-black ; antennae and legs brown ; elytra as long 

 as together broad. L. 1^ 1. Common. F. sulcata, Payk. 



