XX11 SYNOPSIS OF THE GENERA. 



Hind wings without a discal nervule ; median vein of hind wings 

 bifid; wings usually hyaline. Glaucopis. 



Median vein of hind wings trifid ; subcostal vein with a marginal 



branch; discal vein vertical. Ormetica. 



Hind wings with a discal nervule ; median vein of hind wings bifid. 



Euchromia. 



Median vein 3-branched. Cyanopepla. 



Fam. VI. ^Egeriadae. 



Primaries narrow, usually vitreous to the margin ; secondaries 

 shorter, altogether vitreous ; abdomen often with a caudal tuft. 



Antennae gradually thickened nearly to the end, curved ; proboscis 

 nearly obsolete ; male, with a caudal tuft. Trochilium. 



Fam. VII. Thyridae. 



Antennse feebly thickened in the middle, first article inflated ; no 

 stemmata ; wings broad, subtriangular, more or less angulate and 

 indented, opaque with semitransparent spots. 



Body short and thick, abdomen conical, tufted at the end. Thyris. 



Fam. VIII. Psychidae. 



Proboscis obsolete, palpi hirsute, antennas pectinate or ciliate, 

 wings more or less rounded. Female mostly apterous. 



Antennae of the male pectinated more than half the length ; abdo- 

 men of the male very long. Female wingless. Oiketicus. 



Antennse of the male pectinated almost to the apex ; abdomen ex- 

 tending beyond the wings. Female wingless. Thyridopteryx. 



Primaries acuminate at the apex. Female winged. Perophora. 



Fam. IX. Sphingidae. 



FORE WINGS ENTIRE. 



A. Terminal margin obliquely convex; 



Antennse clavato prismatic, with hook and seta ; 



Tongue twice or nearly twice as long as the body. Macrosila. 



Tongue as long as the body, or somewhat longer. ) Spmnx. 



( Dolba. 



( Pachylia. 



Tongue two-thirds as long as the body. A Darapsa para. 



' Lapara. 



Tongue about one-third as long as the body. j Ceratomia. 



( Daremma. 



Tongue as long as palpi. Ellema 



