80 STERNOXI — EUCNEMIDAE. 



&. Last joint of maxillary palpi hatchet-sliapecl. 



I, No grooves for reception of antennae beneatli 

 thorax ; posterior coxae broad and flat, but not 

 dilated over femora. 



Antennae comblike in male, sawlike in female ; first 

 tarsal joint long, fourth short heart-shaped ; claws toothed, 

 comblike. Gerophytum, Latr. 



II, Under-side of thorax with grooves for reception 

 of antennae ; posterior coxae dilated over 

 femora. 



Antennae sawlike or comblike ; tarsi with first joint 

 long, fourth heartshaped. Microrhagus, Esch. 



Throscus. 



A, Thorax rather diffusely and indistinctly punctured ; 

 length 1\ — 1| lines. 



a. Eyes divided until middle. 



Eeddish-brown, with fine, silky yellowish-gray pubes- 

 cence. Head with two parallel, slightly raised lines; elytra 

 with fine punctured striae, interstices finely shagreened 

 and diffusely punctured. Common. 



T. dermestoides, Lin. 



b. Eyes divided until considerably beyond middle. 



Similar to T. dermestoides, but with the two frontal 

 ridges more distinct and extended backward to thorax, 

 elytra more pointed behind, with striae feebler and punc- 

 tures of interstices rather clearer, the surface being not so 

 coarsely granulated. L. 1\ 1. Eare. 



T. carinifrons, Bon v. 



S. Thorax distinctly and somewhat closely punctured; 

 length I — 1 line. 



a. Head without raised lines. 



Eeddish-brown. More oval than T. dermestoides, more 

 evenly arched ; pubescence finer and whitish-gray ; elytra 

 only indistinctly shagreened, with very fine punc- 

 tured striae, except near base and suture, where are only 

 rows of punctures, interstices finely but distinctly punc- 

 tured. L. f — 1 1. Eare. T. ohtusus, Curt. 



b. Head with two slightly raised lines. 



