THE CANADIAN ENTOMOLOGIST. 143 



PARTIAL PREPARATORY STAGES OF SMERINTHUS 

 OPHTHALMICUS, BD. 



BY G. H. FRENCH, CARBONDALE, ILL. 



After First Moult. — Length .45 inch. Cylindrical, head with an 

 elevated point upwards, in a subpyramidal point, the top in two points 

 and about a third higher than the body ; when at rest the jaws under 

 back part of head with the point obliquely forward. Eight transverse 

 wrinkles to each joint ; green studded with pale green points ; a sub- 

 dorsal pale line, as usual converging to caudal horn ; on sides, oblique 

 pale lines that nearly coincide with a series on the dorsum ; the pale parts 

 yellowish-green ; caudal horn reddish tinted ; head with a pale stripe on 

 each side of face, the two coming together above. Previous to the next 

 moult, smooth, the oblique lines showing very pale ; the oblique stripe 

 and caudal horn creamy-white ; the anterior base of horn reddish. Dura- 

 tion of this period 5 days. 



After Second Moult. — Length .90 inch. Colour green, a little dull 

 and rather blue-tinted ; each joint with 8 transverse folds that are studded 

 with yellowish-green points that are but little lighter than the ground, a 

 subdorsal line made of these points ; a dorsal line and oblique stripe of 

 the darker green without points, these lines defined by the points, on the 

 sides below subdorsal line a similar stripe defined posteriorly by a row of 

 these points more yellowish than the dorsal, the stripe that runs to the 

 caudal horn creamy-white, as is also the caudal horn ; the latter short 

 hairy. Head pointed above as before and also the side of the face with a 

 line of points more yellow than the last oblique stripe ; thoracic feet red- 

 tinted. Duration of this period 5 days. 



After Third Mo7ilt. — Length 1.25 inches. Green, slightly bluish; 

 head still pointed but not quite so prominent as in preceding stages, the 

 stripe rounding at the top ; bluish-green, stripes yellow ; stripes on back 

 and sides as before ; caudal horn pale bluish purple, more blue at base, 

 the stripe from this down the sides very pale lemon-yellow ; prolegs con- 

 colorous ; thoracic legs paler, red tipped, stigmata black ringed, centre 

 creamy. Duration of this period 5 days. 



After Fourth Moult. — Length 1.40 inches. Bright green of a yel- 

 lowish tint ; head blue-green ; granulations more white j side stripes 

 yellowish-green, the one that extends to the caudal horn creamy, with ^ 



