MOLANNA. 275 



2. H. albicornis ! 



Hydroptila albicornis Hagen ! 



Gray ; antennae stout, snow-white, with the middle and apex 

 fuscous ; palpi whitish ; head with snow-white hair, the vertex 

 with fuscous hair; thorax fuscous ; feet whitish, the posterior ones 

 ciliated with white; anterior wings grayish-fuscous, ciliated with 

 gray, the margin and disk pointed with snow-white ; posterior 

 wings gray, clothed and ciliated with gray hair. Female. 



Length to tip of wings 3J millim. Alar expanse 6 millim. 



Hab. St. Lawrence River, Canada (Osten Sacken). 



3. H. tarsalis ! 



Hydroptila tarsalis Hagen ! 



Gray; antenna somewhat robust, rather long, fuscous, with 

 gray hair ; palpi black, the apex snow-white ; head black, the 

 vertex white ; thorax fuscous; feet whitish, anterior tibia?, spurs, 

 and tarsi fuscous, the latter annulated with white ; posterior feet 

 with gray cilia; anterior wings fuscous, the anterior margin black, 

 ciliated with gray, and pointed with snow white; posterior wings 

 with gray hairs and cilia. Male. 



Length to tip of wings 3 millim. Alar expanse 5 millim. 



Hab. St. Lawrence River, Canada (Osten Sacken). 



Is this the other sex of the preceding species ? 



I. Maxillary palpi of both sexes with five articles. 



Sub-Fam. LEPTOCERIDES. 



Ocelli wanting ; antennae setaceous, long, or extremely long ; 

 maxillary palpi elongated, hirsute, with the last article mobile. 



MOLANNA CURTIS. 

 Spurs arranged 2, 4, 4. 



1. M. inconspicua. 



Leptocerus inconspicuus Walk.! Catal. 71, 63. 



Ferruginous, with pale hairs : base of the antennae testaceous ; 

 palpi and feet testaceous; abdomen blackish; wings gray, with 

 testaceous hair and pale veins. (From the description of Walker.) 



