oO Bulletin 2: Springfield Museum. 



Rhopalomyia anthophila Osten Sacken. Downy flower-gall of goldenrod. 

 Fig. 104. , 



( 'ecidomyia anthophila < >sten Sacken, Trims. Amer. en't. sot-., 1869, v. 2, p. 30-2-303. 



Beuteimiiiller, Bull. Amer. mas. nut. hist., 1892, v. 4, p. 272. 



Cook, Ohio nat., 1901, v. 4, p. 116, fig. 73. 

 Rhopalomyia anthophila Felt, 23d rept. ins. N. Y. f. 1907, 1908, p. 358, 364, 365; Ottawa nut., 1909, v. 



22, p. 246. 



These down} 7 galls are deformations of flowers. Conical, with blunt 

 tip, as if truncated. Mpnothalamous, 7-8 mm. long. Green covered with 

 pale hairs. Abundant in heads of goldenrod, Solidago, several species. 

 Insects emerge about the first of September. 



Rhopalomyia racemicola Osten Sacken. Beaked goldenrod -gall. Fig. 109. 



Cecidomyia racemicola Osten Sacken, in Loew's Mon. dipt. N. A., 1862, pt. 1, p. 196. 



Beutenmuller, Bull. Amer. mils. nat. hist., 1907, v. 23, p.393, pi. 17, fig. 14. 

 Rhopalomyia racemicola Felt, 22d rept. ins. N. Y. f. l!)06, 1907, p. 120-121; 23d rept. ins. N. Y. f. 

 1907, 1908, p. 358, 364, 366; Ottawa nat., 1909, v. 22, p. 246. 



Globular, smooth, beaked gall, deformation of a flower, 2-3 mm. in 

 diameter. Monothalamous. Green, becoming brown. Insects emerge in 

 early September. On goldenrod, Solidago. 



Dasyneura solidaginis Loew. Goldenrod bunch-gall. Fig. 108. 



Cecidomyia solidaginis Osten Sacken, in Loew's Mon. dipt. X. A., 186.2, pt. 1, p. 194-195, pi. I. fig. 

 4-7. 

 Beutenmuller, Bull. Amer. nans. nat. hist., 1892, v. 4, p. 271; Ins. galls 



vicin. N. Y., 1904, p. 31, tig. 

 Cook, Ohio nat., 1902, v. 2, p. 272, fig. 37. 

 Jarvis, 37th unn. rept. Ent. soc. Ontario, 1906, p. 68. 



This gall is a deformation of terminal buds producing a mass of 

 hundreds of leaves, the outer ones little changed, the inner ones success- 

 ively more and more narrow, a single small gall at the tip of each branch. 

 On goldenrod, Solidago, several species. Very common. 



Baldratia carbonifera Osten Sacken. Goldenrod leaf-gall. 



( '< cidomyia carbonifera Osten Sacken, in Loew's Mon. dipt. N. A., 1862, pt. 1, p. 195. 



Trelease, Psyche, 1884, v. 4, p. 196-200. 

 Baldratia carbonifera Felt, 23d rept. ins. N. Y. f. 1907, 1908, p. 321, 328; Ottawa nat., 1909, v. 22, 

 p. 248. 



Pale, circular spots in leaf surrounded by a dark ring. Several larvae 

 in each gall. 4-6 mm. in diameter. Some of the galls contain a substance 

 like powdered charcoal. On goldenrods, Solidago. Very common. 



Eutreta sparsa Wiedemann. 



Trypeta sparsa Wiedemann, Aussereur. zwcifl. ins., 1830. v. 2, p. 492. 



Loew, Mon. dipt. N. A., 1862, pt. 1, p. 78, pi. 2, tig. 13. 

 Trypeta caliptera Say, -lourn. Acad. nat. sci. Phil., 1830, v. 6, p. 187. 

 Platy stoma latipennis Macquart, Mem. soc sci. Lille, 1842 (1843), p. 355; Dipt, exotiqnes, 1843, 



v.3, p. 200, pi. 26, fig. 8. 

 Acinia novaeboracensis Fitch, 1st rept. ins. N. Y., 1855, p. 67. 

 Eutreta sparsa Thompson, Psyche, 1907, v. 14, p. 72, 74, fig. 2. 



Gall on growing shoot of Solidago, above ground; full size in April. 

 Larva grew in May, pupated in June, flies emerged about 20th of June. 



Enrosta comma Wiedemann. 



Trypeta comma Wiedemann, Aussereur. zweifl. ins., 1830, v. 2, p. 478. 

 Loew, Mon. dipt. N. A., 1862, pt. 1, p. 93-94, pi. 2, fig. 28. 

 .iciuia comma Macquart, Mem. Soc. sci. Lille, 1842, (1843), p. 386; Dipt, exotiqnes, 1843, v.3, 



p. 229. 



