396 CLAVICOKNIA — ANISOTOMIDAE. 



II. Fourth row of punctures ou elytra slightly 

 llexuous about its upper third. 



Rust-red, shiny ; thorax impunctate. Similar to A. hadia 

 but with basal joints of antennae more slender, elytra 

 rather longer, more delicately punctured. L. 1 1. Eare. 



A. similita, Rye. 



d. Interstices on elytra with diffusely placed and very 

 fine transverse scratches. 



Short ovate. Red-yellow or red-brown. L. ^ — f 1. 

 Not uncommon. A. parvula, Sahl. 



Mydnobius. 



A, Length 2 lines. 



Broader and flatter than H. imnctatissimus. Reddish- 

 brown, shiny ; sutural space on elytra dark, suture blackish ; 

 antennae very short, red-yellow, club (including seventh 

 joint) pitch-l>lack. Head and thorax very strongly and 

 rather closely punctured, elytra ratlier closely and very 

 deeply and coarsely punctured. Rare. H. Perrisi, Fairm. 



S, Length 1\ lines. 



a. Body black or dark brown. 



Black, sometimes dark brown ; base of antennae and legs 

 lighter, seventh joint of former yellow-red. Thorax almost 

 as broad as elytra, rather diftusely punctured, elytra punc- 

 tured in distinct striae, interstices rather irregularly punc- 

 tured. Male with a large, triangular hooked tooth on 

 posterior femora. L. 1| 1. Not common. 



H. 2'> unctatissimihs, Steph. 



b. Body reddish-yellow or brownish-red. 

 Reddish-yellow or brownish-red, head, thorax and club of 



antennae usually darker. Thorax not so flat as in H. jmnc- 

 tatissim.us and more rounded in front, rows of punctures on 

 interstices of elytra almost as deep and regular as in striae 

 and almost as closely placed. Male with a long, spinelike 

 tooth before apex of posterior femora. L. 1 1. Rare. 



H. punctat^is, Sturm. 

 C. Length § — I line. 



Lighter or darker reddish-yellow, head and thorax some- 

 times Ijlackish, latter finely punctured. Elytra with fine 

 rows of punctures, interstices with oblique scratches. Male 



