ARCTONOTUS. 21 7 



hind tibiae with four rather short spurs. Wings moderately broad, 

 not long, hardly denticulated, rather deeply ciliated. Fore wings 

 straight in front, slightly acuminated, rather oblique and slightly 

 convex along the exterior border ; second inferior vein (medio- 

 superior) nearer to the third (medio-central) than to the first 

 (disco-central) ; third rather further from the fourth (posterior) 

 than from the first. Hind wings much rounded at the tips. — 

 Walker. 

 This genus appears to connect Smerinthus with the Bombycidce. 



1. A. lucidus Boisd. Walker, p. 264. 



Hale. Gilded, tawny. Palpi brown. Antennas testaceous with 

 ferruginous branches. Lappets of the thorax (tegulce) with a 

 darker border, which has a whitish edge. Fore wings with two 

 oblique, purplish bands, which are connected along the interior 

 border. Hind wings red, with gilded borders, and with a ferru- 

 ginous submarginal band. 



"Size of our cenotherce. Wings quite entire; the superior dim 

 yellowish-gray, with a brilliant yellow reflection, marked with two 

 or three very obscure transverse bands, the most decided of which 

 is sinuous and placed near the extremity. Inferior wings violet, 

 with the extremity of an obscure purple and the fringe paler. 



Body very short; corselet very hairy, of the color of the superior 

 wings. Antennas very robust {ires fortes). Under surface of the 

 wings of a grayish tint, with the disk of the superior ferruginous." 

 Boisduval, Ann. Soc. Ent. Fr. f 2me ser. X, p. 319. 



California. 



Clemens. 



Fam. IX. DREPANULIDAE. 



Appearance geometriform. Proboscis often none, some- 

 times conspicuous. Palpi very short. Antennas of the male 

 usually pectinated, of the female, simple. Abdomen not 

 extending beyond the secondaries. Legs slender; wings 

 wide; primaries often fa Icate. Flight nocturnal ; wings ex- 

 tended in repose. Larva naked, with fourteen feet, gibbous 

 on the back, attenuated behind, no anal feet. 



The following genus is the only representative of this family as 

 yet discovered in this country. 



