86 TEREDILIA — CISSIDAE. 



II. Thorax not bordered behind. 



Elongate, rather flat. Brown ; pubescence very short) 

 shiny, arranged in rows. Thorax straight in front, bordered 

 at sides, very closely and finely punctured ; elytra as broad 

 as thorax, with tolerably regular rows of punctures. L. 

 f 1. Rare. C. elongatulus, Gyll. 



c. Elytra finely punctured (not in wrinkles). 



I. Anterior tibiae produced into a distinct tooth on 

 outer side of apex. 



1. Posterior angles of thorax not rounded ; pro- 

 sternum witliout ridge before coxae. 



Black ; pubescence very short and fine. Anterior angles 

 of thorax prominent, posterior angles rounded ; elytra hairy, 

 very closely punctured. L. | — 1 1. Common. 



C. hidentatus, 01. 



2, Posterior angles of thorax rounded ; prosternum 

 with a short ridge before coxae. 



A A, Anterior angles of thorax slightly promi- 

 nent. 



Pitch-ljrown, shiny ; antennae (except club) and legs red- 

 yellow. Posterior angles of thorax rounded, sides and base 

 bordered; elytra unevenly punctured. Clypeus of male 

 with two indistinct teeth. L. f 1. Not common. 



C. nitidus, Herbst. 



JK J3. Anterior angles of thorax not prominent. 



Similar to G. nitidus but with anterior angles of thorax 

 nearly right angles, not produced, forehead with a depression, 

 and clypeus of male with a rather acute tooth on each side. 

 L. f 1. Rare. C. Jacqticmarti, Mel. 



II, Anterior tibiae not or only slightly produced on 

 outer-side of apex. 



Anterior angles of thorax not prominent. 



1, Posterior angles of thorax almost right angles. 



A A, Body shiny. 



a a. Body pitch-black; pubescence very short. 



Elongate. Mouth, antennae and legs light yellow-brown. 

 Thorax bordered broadly at sides, narrowly at base. L. f 

 — 1 1. Rather common. C. alni, Gyll. 



