CLASS VIII. ORDER IX. 107 



HEMEROBIUS, (gold-eye,) mouth with 2 teeth 

 4 feelers; stemmata none; wings deflected, 

 not plaited ; antennae longer than the convex 

 thorax, setaceous, stretched forwards. 



RAPHIDIA, mouth with 2 teeth ; head depress* 

 ed, horny ; feelers 4 ; steramata 3 ; wings de- 

 flexed ; antennae the length of thorax, which is 

 cylindric, and elongated in front ; tail of females 

 furnished with a recurved lax bristle. 



TERMES, (ticking-fly.) legs 6,. formed for run- 

 ning ; eyes 2 ; antennae setaceous ; mouth fur- 

 nished with 2 jaws. 



PHRYGANEA, (cadow-fly,) mouth without teeth, 

 with 4 feelers ; stemrnata 3 ; antennae longer than 

 thorax ; wings incumbent, lower pair plaited. 



ORDER 9. HYMENOPTERA. 



Having four nmked membranaceous wings ; the 

 inner or hindmost pair always smaller than the 

 others. 



TENTHREDO, (saw-fly,) mouth with jaws, with- 

 out proboscis ; wings flat, swelled or slightly in- 

 flated ; piercer consisting of 2 serrated and scarce- 

 ly projecting laminae ; scutellum with 2 distant 

 granules. 



SIREX, mouth with 2 strong jaws ; feelers 2, 

 truncated ; antennae filiform, with more than 24 

 joints ; piercer exserted, stiff, serrate ; abdomen 

 sessile, pointed ; wings lanceolate and all flat. 



ICHNEUMON, (ichneumon,) mouth with jaws, 

 without tongue; antennas with more than 30 joints; 

 abdomen, in most species, peduncled ; piercers 

 xsert, with a cylindric bivalve sheath. 



