OF THE 



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VOL. IV. BROOKLYN, JULY, 1881. No. 3. 



Notes on Hemaris Marginalis, Grote. 



By H. S. Jewett, M. D., Dayton, O. 



Eggs deposited May 18th, 1 88 1 on Lonicera sempervirens, * Ait. 

 The eggs are smooth and nearly spherical; 3-64 inch in diameter and pale 

 green in color. As they approach maturity the upper surface becomes 

 slightly concave. The eggs are deposited singly, sometimes on the up- 

 per, but generally on the lower surface of the leaves. 



The egg hatched May 21st. Larva ^inch long tapering slightly, but 

 regularly from head to the posterior extremity. Yen- pale green, except 

 the caudal horn, which is glossy black and as long as the larva, and the 

 mandibles which are light brown. Head subquadrate, faintly bilobed. 

 Collar prominent. Each segment is divided into from 3 to 5 annulets by 

 transverse sulci, which are very nearly as deep as those between the seg- 

 ments. The whole or the dorsum and sides of the larva is closely dotted 

 with minute pointed papillae, each giving rise to a minute, many branch- 

 ed, white hair. 



Larvae passed their first moult May 23rd. Length % inch; cylin- 

 drical; pale green. Head subquadrate. Upper part of the head and the 

 one third of the mandibles next to head yellowish green; the rest of the 

 head somewhat darker green than the body. Collar prominent, with four 

 large bright yellow tubercles on each side of dorsal line. True legs and 

 posterior aspect of 13th segment bright shining black. Caudal horn 

 'Trumpet Honey suckle. 



