INSECTA SAUNDERSIANA, &c. 
Fam. XYLOPHAGL. 
This family is allied to the Xylotome, the Asilici and the Stratiomyde : 
it contains five genera, Beris, Diphysa, Xylophagus, Subula, and Meto- 
ponia, to which six more are here added. 
XYLOPHAGUS, Meig. 
X. triangularis? Say. 
XYLOPHAGUs PERSEQUUS, Fem. 
Niger, thorace fulvo pubescente, antennis nigris, pedibus flavis, femoribus 
posticis fulvis, tibiis tarsisque posticis piceis basi fulvis, alis subci- 
nereis apice fuscis. 
Body black: eyes pitchy, fore part flat, its facets much larger than 
those elsewhere: sucker, palpi and feeleys 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- 
yered with tawny down: abdomen linear, thinly clothed with hoary 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 gray, their tips brown; wing-ribs 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. 
