Insect < Jai.i.s. i,~> 



Withoul scientific name, Buckbout, Proc. Amer, assoc. adv. sci. f. L882, 1888, v. 31, p. 4T.">. 

 Hagen. Can. cut., L885, v. IT, p. 28, 



Eriophyes abnormis Cook, 29th ann. rept. Dept. geol. and nat. res. Indiana r. 1904,1905, d. 860- 

 861, flg. 51. 

 Jarvis, 37tli ann rept. Ent. soc. Ontario, 1906, i>. 59, pi. C, titf. 6. 



A pouch-like gall usually on upper side of the leaf with the opening 



below, neck constricted. The upper end of the gall folded into notches. 



Common on basswood, Tilia americana. 



Cecidomyia? citrina Osten Sacken. 



Cecidomyia citrina Osten Sacken, Trans. Amer, ent. soc, 1870, v. A, p. 58. 



Irregular, fleshy galls on terminal buds of young shoots. Polythala- 

 mous. Color of bark. Sometimes with leaves growing out. 5-<S mm. in 

 diameter. July and August. Not rare. On linden, Tilia americana. 



Cecidomyia verrucicola Osten Sacken. Basswood wart-gall. 



Cecidomyia verrucicola Osten Sacken, Can. cut., 1875, v. 7, p. 201-202. 



BeutenuiUller, Bull. Amer. mus. nat. hist., 1892, v. 4, p. -jr,4 . 

 Cook, Ohio nat., 1902, v. 2, p. -.'(IT, fitf. 24; 1903, v. 3, p. 427, li-i. 62 63. 

 Jarvis. ,'!7tli ann. rept. Ent. soc. Ontario, 1906, p. (',7. 



Rounded, wartlike galls showing on both sides of the leaf. About 3 mm. 

 in diameter, 1-2 mm. thick. Red above, green below. Open in the fall 

 by a lid below. On linden, Tilia americana. Common. A gall that ap- 

 pears to be the same differing only in size, appears on the fruit and on 

 the bract. 



PARIE TALES. 

 VIOLACEAE. 

 Viola sagittata. 

 Cecidomyia semenivora Beutenmuller. Fig. 92. 



Cecidomyia semenivora Beutenmiiller, Bull., Amer. mus. nat. hist., 1907, v. 23, p. 390-391, pi. 15, 



fig. 1-4. 

 Without name, Bramerd, Rhodora, 1904, v. 6, p. 15. 



A monothalamous, subglobular gall, the apex prolonged to a slender 

 point, found in the midst of the crown of leaves of Viola sagittata. The 

 color and surface are similar to those of the surrounding petioles. The 

 mediumly thick walls enclose several light yellow larvae, none of which 

 have been reared. Only three specimens have been collected by me. 

 Also on Viola cucullata. 



Viola cucullata. 

 Cecidomyia semenivora Beutenmuller. See above. % 



UMBELLALES. 

 CORNACEAE. 

 Cornus florida. 

 Lasioptera clavula Beutenmuller. Dogwood club-gall. 



Cecidomyia clavula Beutenmuller, Bull. Amer. mus. nat. hist., 1892, v. 4, p. 269, pi. 15, fig. 5; 

 Ins. galls, vicin. N. Y., 1904, p. 29, fig. 



Townsend, Proc. Ent. soc. Wash., 1893, v. 2, p. 390. 



Cook, 29th ann. rept. Dept. geol. and nat. res. Indiana f. 1904, 1905, p. 841. 



Jarvis, 37th ann. rept. Ent. soc. Ontario, 1906, p. 69. 

 Lasioptera clavula Beutenmiiller, Bull. Amer. mus. nat. hist., 1907, v. 23, p. 396, pi. 14, figs. 5-6. 



