I»8 NEW YORK STATE MUSEUM 



Large, irregular, lobed dimples, convex above, rarely reversed, pubescent without, 

 long, slender hairs within, on V. d e n t a t u m. Chadwick '08, p. 150 



Acarid. Eriophyes sp. 

 Marginal leaf roll, length ro mm, on V. c a s s i n o i d e s. Felt 'iij, p. 474 



Itonid. Cecidomyia sp. 

 Irregular, subcortical gall, length 2 to 6 cm, on V. dentatum. Fig. 209 

 Beutm. '07c, p. 398 



Itonid. Arrowwood stem midge, Ncolasioptera viburnicola 



Beutm. 



Fig. 208. Eriophyes 

 sp. on Viburnum. (Original) 



Fig. 209. Arrow- 

 wood stem midge, 

 Neolasioptera 

 viburnicola 

 Beutm. (Original) 



Samhiiciis (elder) 

 Swollen, unopened florets. PI. 13, fig. 7. Beutm. '07c, p. 393 



Itonid. Elder flower midge, Youngomyia umbellicola 



O. S. 

 Bud gall, diameter 1.5 cm. Fig. 210. Felt 'i6d, p. 139 



Itonid. Elder bud midge, A s p h o n d y 1 i a s a m b u c i Felt 

 Leaf margin rolled tightly upward and inward on' both sides and bearing stout, 

 whitish or brownish trichomes within. Chadwick '08, p. 147 



Acarid. Eriophyes sp. 

 Rolled leaves, probably predaceous. PI. 5, fig. i. Felt '68e, p. 404 



Itonid. Arthrocnodax sambucifolia Felt 

 Irregular, subcortical gall, length 2 to 4 cm. Fig. 211. Felt '06a, p. 132 



Itonid. Elder stem midge, Neolasioptera sambuci Felt 



