feb^O 



INSECTA SAUNDERSIANA. &( 



Fam. XYLOPHAGI. 



This family is allied to the Xylotomoe, the Asilici and the Stratiomydae : 

 it contains five genera, Beris, Diphysa, Xylophagus, Subiila, and Meto- 

 ponia, to which six more are here added. 



XYLOPHAGUS, Meig. 

 X. triangularis? Say. 



Xylophagus peesequus, Fem. 



Niger, thorace fulvo pubescente, antennis nigris, pedibus Jlavis, femoi'ibus 

 poslicis fiilris, tibiis larsisque poslicis piceis basifulvis, alis subci- 

 7iereis apice fuscis. 



Bodyblacli: eyes pitchy, fore part flat, its facets much larger than 

 those elsewhere : sucker, palpi and feelers black ; feelers more than twice 

 the length of the head ; third joint much longer than the fourth; fourth 

 and following to the ninth short, nearly equal ; tenth longer : chest co- 

 vered with tawny down : abdomen linear, thinly clothed with hoaiy hairs, 

 a little narrower than the chest and rather more than twice its length : legs 

 yellow; tips of the feet pitchy ; claws black ; foot-cushions tawny; hind- 

 thighs tawny ; hind-shanks pitchy, tawny at the base ; hind-feet black, 

 first joint tawny, with the exception of the tip : wings very slightly tinged 

 with gr.ay, their tips brown ; wing-ril)s tawny ; veins black, tawny at the 

 base, slightly clouded with brown, which is most prevalent on the cross- 

 veins of the disk ; brand brown ; tip cross-vein short, with two curves, the 

 first upward, extremely slight, the second downward, slight ; poisers pale 

 tawny. Length of the body 5 lines ; of the wings 9 lines. 



North America. 



B 



