48 Bulletin 2: Springfield Museum. 



RUBIALES. 

 CAPRIFOLIACBAB. 

 Sambucus canadensis. 

 Cecidomyia umbellicola Osten Sacken. Fig. 98. 



Cecidomyia sambuci-umbellicola Osten Sacken, Trans. Amer. ent. sot-., 1870, v. 3, p. 52, 347. 



Beutenmiiller, Bull. Amer. mus. uat. hist., 1892, v. 4, p. 269; 

 1907, v. -23. p 393, pi. 16, fig. 9. 



Galls existing as a deformity of the flower buds of common elder. 

 Round, monothalamous, white when young, turning dark. About five 

 times the diameter of the bud. Abundant where found. On common 

 elder, Sambucus canadensis. Found in June. Described as on Sambucus 

 pubens by Osten Sacken. 



Neolasioptera sambuci Felt. Fig. 97. 



( v cidomyia sambuci Felt, 21st rept. ins. N. Y. f. 1905, 1906, p. 181, fig. 46-48. 

 Lasioptera sambuci Beutenmiiller, Bull. Amer. mus.nat. hist., 1907, v. 23, p. 396. 

 Neolasioptera sambuci Felt, 23d rept. ins. X. Y. f. 1907, 1908, p. 321, 331. 



An irregular elliptical swelling of the main stem and side shoots. 

 About three times the normal diameter of the stem. Roughened, corru- 

 gated. Within brown and pithy about woody part. On common elder, 

 Sambucus canadensis. The larvae remain in the gall over winter, trans- 

 forming and emerging in May or June. 



Sambucus pubens. 

 Cecidomyia umbellicola Osten Sacken. See above. 



Viburnum dentatum. 



Eriophyes viburni, n. s. Mite gall of viburnum. 



Corrugations of leaf causing entire change of appearance. Apparently 

 caused by action of insect on under side, as the upper side arches over 

 abnormally. Both within and without densely clothed with short white 

 hairs. Similar in appearance to galls of Schizoneura americana of the elm. 

 On Viburnum dentatum. 



Viburnum nudum? 

 Undetermined gall. 



Oval enlargement of stem, mainly below but including the node. 

 Monothalamous, woody, thick-walled. Cavity brown-lined, curved out 

 above a side branch and opening through a side-swelling. Castings 



noticeable. Color slightly redder than normal stem. One specimen. 

 August. On Viburnum ?nudum. 



Diervilla diervilla. 



Cecidomyia? inaequalis, n. s. 



The enlarged fruit of Diervilla diervilla. Most arc larger on one side 

 causing a bending in other direction, some almost sickle-shaped. Color 

 same as fruit. Mt. Holyoke, Mass. 



