80 TEREDILIA — PTINIDAE. 



shoe-shaped impression behind. Elytra with shallow but 

 rather strongly punctured striae ; interstices Hat, alternate 

 ones sometimes slightly convex at base ; ventral abdominal 

 segments free ; tarsi somewhat long, very slightly thickened 

 toward apex. L. 1| — 2 1. Common. 



A. domesticum, Fourc. 



II, Mesosternal impression scarcely prolonged on to 

 metasternum. 



Black, dull ; antennae, tibiae and tarsi reddish. Antennae 

 rather shorter than in A. domesticum, elytra less rounded at 

 apex, alternate interstices never slightly convex at base, 

 tarsi more distinctly thickened toward apex. L. If — 2 1. 

 Rather common. A. fulvicorne, Sturm. 



JB» Third joint of antennae much shorter than second. 



Short, oblong oval. Eeddish-brown; antennae and legs 

 lighter, eyes black. Thorax much broader than long, with- 

 out tubercle, posterior angles rounded; elytra with five 

 punctured striae, interstices Hat. L. 1 — 1 J 1. Common. 



A. paniceum, Lin. 



Xestohium. 



Blackish-red-brown, finely and extremely closelyp unc- 

 tured ; upper-side sprinkled with little spots of yellow 

 hairs. L. 2| — 4 1. Common. X. tesselaUom, Fab. 



UrnoMus, 



A» Thorax uneven. 



Eeddish-yellow-brown above, pitchy beneath. Thorax 

 much broader than long, anterior angles almost right angles, 

 scarcely blunted ; antennae with third joint not longer than 

 second, fifth much longer than sixth, and eighth almost 

 transverse. L. 1^ 1. Rare. E. ahietis, Fab. 



jB. Thorax even. 



a. Body black. 



Tarsi reddish. Thorax broader than long, anterior angles 

 obtuse and strongly rounded ; antennae with third joint 

 distinctly longer than second, fifth much longer than sixth, 

 and eighth distinctly transverse. L. 2 1. Rare. 



E. nigrinus, Sturm. 



h* Body reddish-brown. 



