147 



is ferruginous, and tlie base pale-yellow ; two first segments of the abdo- 

 men yellow-olive, two next black, the rest ferruginous with pale-yellow 

 lateral spots. 



This species appears to be the American representative of Sesia fuci- 

 formis^ which it greatl} resembles, but differs in the colour of the tail and 

 the base of *he secondaries. 



[This description is not suft'iciently definite for the determination of the 

 species.] 



FAMILY LITHOSIAD.'t:. 



425. Callimorpha parthenice Kirby. — Expansion of the wings 

 i^ inch. Taken in North America. 



[304.] t. Antennae black, bipectinated ; thorax fiesh-coloured with 

 two anterior, and three posterior, oblong, black spots, the latter being the 

 largest \ primary wings black, with the so-called rivulets pale with a slight 

 pinkish tint ; the main streams, especially towards the apex of the wing, 

 form several islets, most of which are divided by slenderer ones which do 

 not appear on the under side of the wing ; the secondaries are of the colour 

 of red lead, with five black spots towards the posterior margin, the inter- 

 mediate tl.ree forming a macular band, above which is one smaller one 

 and below it another ; underneath there is also a small spot, at the costal 

 margin, above the others. 



[A species of Arctia, probably identical with A. virgo Linn. ; not 

 uncommon in Canada.] 



426. Callimorpha virguncula Kirby. — Plate iv., fig. 6. — Expan- 

 sion of the wings i ^ inch. Taken in Canada by Dr. Bigsby. 



Head pallid ; orbit of the eyes, and the mouth, black ; antennae black, 

 serrato-pectinate ; thorax pallid, with five lanceolate black spots, the pos- 

 terior ones being the largest ; primary wings black, with pallid rivulets, 

 which are formed by the scales that clothe the nervures, and produce the 

 rays at the apex of these wings, where the lines are traversed by a trans- 

 verse, angulated band \ underneath they are pale, with the black parts less 

 distinct, except at the apex ; there is a black spot in the disk near the 

 costal margin : the secondaries are orange-tawny, spotted at the apex with 

 black ; abdomen tawny above, below pale, with a dorsal, and on each side 

 a double, lateral, black, macular stripe ; trunk underneath black, with pale 



