ODONESTIS POTATORIA. 



The Drinker Moth. 



Order Lepidoptera. Fam. Bombycidae. 



Type of the Genus, Bombyx Potatoria Linn. 



Odonkstis Germ., Curt. — Odenesis Lea., Sam., Curt. — Eutricha Hub. — 

 Gastropacha Och. — Lasiocampa Schr. — Bombyx Linn., Haw., S^c. 

 Antennce inserted towards the hind part of the head, close above the 

 eyes, long setaceous, composed of numerous joints, beautifully bipec- 

 tinated in the male, the branches long, ciliated compressed and cla- 

 vate at the apex, each furnished with a strong bristle : the rays short 

 but distinct in the female. 

 MaxillcE none. 



Labial Palpi forming a porrected beak, contiguous at the base, com- 

 pressed towards the apex and closely applied, acute and densely 

 clothed with compact scales in the male (pi. 7, f. 4 J" ), more obtuse, 

 loose and hairy in the female (4$), triarticulate, basal joint short and 

 curved, 2nd long and stout, 3rd considerably longer than the 1st, sub- 

 elliptical (4 a). 

 Male smaller than the female. Head clothed with a dense bunch of scales 

 projecting over the forehead and meeting the palpi. Eyes rather small 

 and orbicular, larger in the male than female. Thorax suborbicular not 

 crested. Abdomen linear obtuse, tufted at the apex and slightly cleft in 

 the male; robust and ovate-conic in the female. Wings defiexed when at 

 rest, the inferior projecting beyond the anterior margin of the superior ones, 

 which are entire, obtuse in the male, sublanceolate in the female. Cilia 

 thick and slightly crenated. Legs very hairy, anterior shorter in the viale. 

 Tibiae, anterior very short and densely clothed with long hairs in the male, 

 with a long and broad internal horny lobe inserted near the base, which is 

 small in the female ; the other tibice spurred. Tarsi shorter in the male 

 than female, 5-jointed, the basal joint of the anterior pair in the male 

 densely fringed with scales. Claws strong curved and hooked. Pul villi 

 distinct. 

 Larvae with 6 pectoral, 8 abdominal, and 2 anal feet, somewhat hairy, with 

 2 rows of fasciculi down the back, a larger one behind the head and an- 

 other near the apex. 

 Pupa inclosed in an oblong cocoon of close texture. 



Rotatoria Linn. S. N. 2. 813. 23.— Don. Brit. Ins. 5. pi. 148.— Curt. 

 Guide, Gen. S\0. I. 



Mule ochraceous variegated with tawny, superior wings rather obtuse, 

 with a curved brown striga at the base, and an oblique one stretching 

 from the middle of the interior margin to the apex, between this and 

 the posterior margin is a crenated curved line of the same colour, a 

 whitish spot near the disc and a smaller one above it : inferior wings 

 tawny. Females seldom so dark as the males. 



