292 Forty-ninth Report on the State Museum 



Plate III. 

 Diplosis setigera. 



The Hairy Melofi-vine Midge. 



Fig. I. — Normal segment of male antenna; a, a, arched filaments^. 

 " filets arques;" s, s, ordinary setae. 



Fig. 2. — Two normal segments of female antenna showing the ar- 

 rangement of the setae and special sense organs, two of 

 which are shown in projection at y,y. 



Fig, 3. — Extruded ovipositor ; c, tip much more enlarged. 



Fig. 4. — Lateral aspect of empodium and claws. 



All figures greatly enlarged. 



Plate IV, 

 Map, showing the Upper Austral Life -Zone in the State of New York^ 



Plate V. 

 Cottonwood beetle collecting machine, to be drawn by a horse. 



Plate VI. 

 Cottonwood beetle collecting machines, to be propelled by hand. 



Plate VII. 

 Collecting the Cottonwood beetle from a field of willows. 



Plate VIII. 



Fig. I. — The apple-tree bark-louse, Mytilapsis poinorwn (Bouche), on 

 apple bark. (After Comstock.) 



Fig. 2. — The scurfy bark-louse, Chionaspsis furfnrus (Fitch): a, the 

 female scales, and b, the male scales, in natural size on twigs; 

 c, the female scale, enlarged ; d, the male scale, enlarged. 

 (From the Division of Entomology, U, S, Dept. Agr. at 

 Washington.) 



Fig. 3 — The scurfy bark-louse : [<?], the male; <:, the young larva;/, 

 the male pupa; g, the female, from beneath — all enlarged; 

 b, d, e, k, structural details of legs and antenna, in greater 

 enlargement. (From the Division of Entomology, Washing- 

 ton, D, C.) 



