142 LEPIDOPTERA OP NORTH AMERICA. 



T. maculata Harris. 



Brownish-black, sprinkled with rust yellow dots; hind margins 

 of the wings deeply scalloped, with the edges of the indentations 

 white ; each of the wings with a transparent white spot, which in 

 the fore wings is nearly oval and slightly narrowed in the middle; 

 in the hind wings larger, kidney shaped, and almost divided in two; 

 palpi beneath, a spot before the anterior coxae, the tips of the tar- 

 sal joints above, and the hind edges of the last three or four ab- 

 dominal segments white. Expands from six to eight lines. 



Massachusetts. 



Harris. 



Fam. VII. PSYCHIADAE. 

 THYRIDOPTERYX Steph. 



Body of the male densely pilose. Antennae deeply pec- 

 tinated, not longer than the thorax. Abdomen extending 

 beyond the wings. Legs pilose. Wings narrow, bare, vitre- 

 ous, and colorless. Primaries about twice the length of the 

 secondaries, rounded at the tips. Secondaries slightly trunc- 

 ated, with a long and stout frenulum. Female apterous. 



T. ephemaeraeformis Harris. 



Black, pilose; wings vitreous; anterior margin of the primaries 



and interior of the secondaries squamous. 



Harris. 



PEROPHORA Harris. 



Body stout, thickly clothed with short hairs. Proboscis obso- 

 lete, palpi short ; antennce of the male deeply pectinated to the 

 tips; abdomen extending beyond the hind wings; legs rather short; 

 femora and tibiae thickly pilose ; wings rather long, thickly clothed, 

 opaque. Female winged ; antennce moderately pectinated. 



P. melsheimerii Harris. 



Pale ash red ; wings irrorate with minute black points; a com- 

 mon oblique linear fuscous fascia bent backwards before the apex 

 of the primaries, marked with a larger median blackish point. 



Harris. 



