THE CANADIAN ENTOMOLOGIST. 17 



banded with jet black outside. The hairs over the body are now quite 

 long. Length 33 mm. 



Mature Larva. — Head jet black, sometimes chestnut-red, shining, 

 finely punctured, neck bright yellow, cervical shield dull orange. Body 

 pitchy black with four sulphur-yellow equidistant longitudinal stripes on 

 each side, all being narrower than the intervening spaces, the dorsal space 

 being the widest ; anal plates jet black, roughly punctured. Under side 

 also pitchy black with three stripes. Thoracic feet jet black, with their 

 bases yellow ; abdominal legs bright yellow, banded with jet black outside. 

 On the 4th, 5th, 10th and nth segments two yellow patches. The sordid 

 white hairs are few to each segment, though long and most numerous on 

 the lateral region. Length 55 mm. 



Pupa. — Pitchy black, wing cases brown and very much wrinkled ; 

 head prominent ; segments coarsely punctured about the anterior portion, 

 smooth at the junction ; cremasters very short, four in number ; spiracles 

 ovate, very conspicuous. Length about 23 mm. ; width of wing cases 

 7 mm. 



Food Plants. — Linden (Ti/ia), cherry (Pru/uis), pear (JPyrus), 

 quince ( Cydonia), walnut (Jug/ans), hickory ( Carya), oak (Quercus), 

 chestnut (Castania), beech (Fagus), hazel (Cory /us), hornbeam ( Car- 

 J>mus), birch (Bctula). Found from the latter part of July to about the 

 middle of Seotember. Single brooded. Subterraneous. 



PREPARATORY STAGES OF CATOCALA RELICTA, Walk. 



BY HOWARD L. CLARK, PROVIDENCE, R. I. 



Egg. — Shape of flattened sphere. Diameter, 1 mil. Color, brownish 

 slate. There are thirty-six vertical ribs, each alternate one only reaching 

 the apex ; and numerous horizontal parallel striations. The eighteen ribs 

 which reach the apex there unite with the horizontal lines, forming an 

 irregular network. Duration of this period 241 to 246 days. 



Young Larva. — Length, 7 mil. Body very slender and geometrid- 

 like, the two anterior pairs of pro-legs rudimentary. The two posterior 

 pairs fully developed. Crawl with a very rapid looping movement. Head 

 ochreous, large and prominent, with minute black piliferous spots. Color 



