266 NEUROPTERA OF NORTH AMERICA. 



Hab. New Orleans. 



May it not he IT. indistinctus Walker ? 



3. H. hostis ! 



Hallesus hostis Hagen ! 



Luteo-rufous, with luteous hair; antenna stout, luteous; thorax 

 each side above, rufo-fuscous ; feet luteous, with black spines ; apex 

 of the wings broader ; pale luteo-hyaline, hardly with luteous hairs, 

 subrugulous, base, at the anal angle, and the third apical vein 

 fuscous ; a large, oblique, paler spot upon the middle, veins lu- 

 teous ; posterior wings luteo-hyaline. Male and female. 



Male. Posterior appendages short, luteous, ovate, adpressed; 

 the intermediate ones longer, straight, conical, fuscous. 



Length to tip of wings 20 millim. Alar expanse 36 millim. 



Eab. N. Red River ; Northern Illinois (Kennicott). 



4. H. guttifer ! 



Halesus guttifer Walk.! Catal. 16, 15. 



Testaceous ; antennas ferruginous ; anterior wings tuberculous, 

 with an obsolete, subfuscous spot in the apical areolets, another 

 at the thyridium, and a black dot in the third apical areolet; 

 posterior wings whitish ; feet and palpi testaceous. 



Male. The fuscous spots of the anterior wings are sometimes 

 obsolete. 



Length to tip of wings 20 millim. Alar expanse 36 — 42 millim. 



Hab. St. Martin's Falls, Albany River, Hudson's Bay (Barns- 

 ton) ; Georgia (Abbot) ; New Orleans. 



It is very much like Enoicyla subfasciata Say, but the spurs will 

 easily distinguish it. 



5. H. indistinctus. 



Limnephilus indistinctus Walk.! Catal. 37, 60. 



Testaceous; antennas pale ferruginous; head and thorax ferru- 

 ginous; anterior wings pale testaceous; with a broad fuscous vitta 

 at the posterior margin, and a fuscous line between the fourth and 

 fifth subapical areolets ; thyridium whitish. (From the description 

 of Walker.) 



Length to tip of wings 16 millim. Alar expanse 29 millim. 



Hab. St. John, Newfoundland. 



Is it H. amicus ? 



