ZABllUS. 63 



Znhi'iis, 



Winged. Black above, pitcli-brown beneath. Body 

 nearly cylindrical. Thorax broader than long, not much 

 narrowed in front, arched transversely, as wide at the base 

 as elytra, which liave deep punctured striae and teeth at 

 shoulders. L. 6 — 7 1. Eatlier common. 



Z. (jihhus, Fab. 



HABPALinEA. 



A. The sole of the dilated male tarsal joints covered with 

 a thick brush of long hairs. 



a» Anterior tibiae with a double apical spine (inner one 

 inconspicuous). 



Mentum with a simple short, blunt tooth ; ligula some- 

 what dilated and emarginate in front, paraglossae equal in 

 length to ligula ; apical joint of palpi slightly oval, truncate 

 at apex. Body closely punctured, pubescent ; winged. 



Diaehromus, Er. 



?>. Anterior tibiae with one apical spine. 



I, First joint of male anterior tarsi as liroad as tlie 

 others ; intermediate tarsi not dilated ; tooth of 

 mentum distinct. 



Ligula dilated and almost straight in front, paraglossae 

 scarcely longer than ligula ; apical joint of palpi spindle- 

 shaped, apex truncate ; thorax short, more or less heart- 

 shaped, with a strong central furrow ; elytra moderately 

 convex, without any short scutellary stria. Body hairy 

 and punctured. iJichirotrichus, Duv. 



II. Both the front pairs of male tarsi dilated, first 

 joint narrower than tlie following two joints ; tootli 

 of mentum absent or feeble. 



Ligula somewhat dilated and straight in front, para- 

 glossae about equal in length to ligula ; apical joint of 

 palpi spindle-shajjed, apex somewhat truncate ; abbreviated 

 scutellary stria on elytra very long. Body bare. 



Anisodactylus, Dej. 



If. The sole of the dilated male tarsal joints with fleshy 

 prominences, generall}^ placed in two rows, 



