44 Bulletin 2: Springfield Museum. 



Lasioptera vitis Osten Sacken. Grape-vine tomato-gall. 



Lasioptera vitis Osten Sacken, in Loew's Mon. dipt. X. A., 1862, pt. 1, p. 202. 

 Walsh and Riley, Amer. ent., 1869, v. 1, p. 247, fig. 183. 

 Riley, 5th rept. ins. Mo., 1873, p. 117, fig. 



Williams, 8th aim. rept. Ent. soc. Ontario, 1877, p. 50, li^. 4a. 

 Reed, 13th ami. rept. Ent. soc. Ontario, 1882, p. 49, rig. 33. 

 Saunders, Ins. inj. fruit, 1883, p. 294-295, fig. 306. 

 Lintner, 4th rept- ins. X. Y., 1888, p. 63-67, fig. 29. 

 Beutenmiiller, Bull. Amer, mus. nat. hist., 1892-, v. 4, p. -272. 

 Felt, 23d rept. ins. X. Y. f. 1907, 1908, p. 322, 323, 324. 



This gall consists of a bunch of swellings, very irregular as to size and 

 shape, on new growth. Soft and juicy. Surface smooth, green with red 

 tinge or all red. Polythalamous. May and early June. Common on 

 wild grapes. Larvae enter ground to pupate. Fly late in June. 



Vitis labrusca. 

 Schizomyia pomum Walsh and Riley. Grape-vine apple-gall. Fig. 89. 



( 'ecidomyia vitis-pomum Walsh and Riley, Amer. ent., 1869, v. 1, p. 106, fig. 85. 



Williams, Ann. rept. Ent. soc. Ontario, 1877, p. 48-49, fig. 38. 

 Schi.omyia pomum Felt, 23d rept, ins. X. Y. f. 1907, 1908, p. 374, 379. 



An irregular gall, apparently the deformation of a bud. Somewhat 

 pointed at apex, flattened at base where attached. Ribbed slight^. 

 Wooly pubescent. Polythalamous with larval cells arranged lengthwise 

 in two "stories," pithy. About 2 cm. in diameter. Green, turning brown 

 when mature. On northern fox-grape, Vitis labrusca. 



Vitis cordifolia. 

 Schizomyia coryloides Walsh and Riley. Grape-vine filbert-gall. Fig. 90. 



Cecidomyia vitis-coryloides Walsh and Riley, Amer. ent., 1869, v. 1, p. 106-107, fig. 86. 



Riley, 5th rept. ins. Mo., 1873, p. 116-117, fig. 



Williams, Ann. rept. Ent. soc. Ontario, 1877, p. 49, fig. 39. 

 Schizomyia coryloides Felt, 23d rept. ins. X. Y. f. 1907, 1908, p. 374, 379. 



Irregular, fusiform, monothalamous galls, occurring in clusters of from 

 10 to 50, apparently deformation of a bud. Within they are pithy, the 

 larval cell long, with woody shell, lying lengthwise in gall. Green when 

 young, brown when mature, covered, especially towards the tip, with wooly 

 pubescence. 15-20 mm. long, 6-10 mm. wide. On stem of frost grape, 

 Vitis cordifolia. 



Parthenocissus quinquefolia. 

 Cecidomyia? parthenocissi, n. s. Midrib gall of Virginia creeper. Fig. 91. 



Without scientific name,. I ur vis, 37th anu. rept. Ent. soc, Ontario, 1906, p. 68-69, pi. O, fig. 7. 



On under side of midrib of woodbine Parthenocissus quinquefolia, open- 

 ing by slit on upper side of leaf. About 9 mm. long, 6 mm. wide, others 

 about 5 cm. X 7 mm. Highest in middle. Red and green. 



MALVALES. 



TILIACBAE. 



Tilia americana. 



Eriophyes abnormis Garman. Linden pouch-gall. 

 Phytoptu8 abnormis Garman, 12th rept. state ent. 111.. 1883, p. 134. 



Packard, 5th rept., r. s. cut. comm, 1890, p. 480. 



Cook, Ohio oat., 1902, v. 2, lis- '■'; 1903, v. 3. p. 423, tig. 44. 



