162 BULLETIN" 14 5, UNITED STATES NATIONAL MUSEUM 



vol. 52, 1920, pp. 209-210, 247.— Frost, Canad. Ent., vol. 52, 1920, pp. 28, 

 250. — Hollister, Journ. Econ. Ent., vol. 13, 1920, pp. 145-146. — Kotin- 

 bky, U. S. Dept. Agr., Farmers' Bull. 1169, 1921, pp. 59-61, figs. 38-40.— 

 Gillette, 12th Ann. Kept. State Ent. Colorado for 1920 (1921), p. 23.— 

 Maheux, 14th Kept. Quebec, Soc. Protection Plants, 1922, p. 66. — 

 Lord, Care of Shade Trees, 1922, p. 39.— Gossard, U. S. Dept. Agric, 

 Bull. Ins. Pest Survey, vol. 2, 1922, p. 24. — Mutchler and Weiss, 

 N. J. Dept. Agric, Bur. Statistics and Inspection, Circ. 48, 1922, pp. 

 4-5, fig. 1.— Knull, Canad. Ent., vol. 54, 1922, p. 84.— Hutchings, 15th 

 Kept. Quebec Soc. Protection Plants, 1923, p. 89. — Gibson, Rept. Ent. 

 Canad. for 1919-1920 (1923), p. 18.— Pierson, Maine Forest Serv., 

 Bull. 1, 1923, p. 51.— Britton, Conn. Agric. Exp. Sta., Bull. 247, 1923, 

 pp. 359-361, pi. 14, figs, c, d.— Spicer, Tree Talk, vol. 5, 1923, p. 21, fig. — 

 Felt, 35th Rept. N. Y. State Ent. for 1921 (1923), pp. 78-79; Man. 

 Tree and Shrub Ins., 1924, pp. 52-53, figs. 15-16.— Britton, Conn. 

 Agric. Exp. Sta., Bull. 263, 1924, p. 164.— Mundinger, N. Y. State College 

 Forestry, Tech. Pub. 17, pt. 4, 1924, p. 316.— Chamberlin, Journ. N. Y. 

 Ent. Soc, vol. 32, for 1924 (1925), p. 193.— Knull, Ohio State Univ. 

 Studies, vol. 2, no. 2, 1925, p. 45. — Essig, Ins. Western North America, 

 1926, p. 403.— Chamberlin, Cat. Buprestidae, 1926, pp. 49-50.— Pier- 

 son, Journ. Forestry, vol. 25, 1927, pp. 68-72. — Britton and Zappe, 

 Conn. Agric. Exp. Sta., Bull. 292, 1927, pp. 147-148, fig. 26. 



Agrilus bilineatus Moffatt (not Weber), 30th Rept. Ent. Soc. Ontario for 

 1899 (1900), p. 100. 



Agrilus torpidus LeConte, Trans. Amer. Ent. Soc, new ser., vol. 11, 1859, 

 p. 247.— Crotch, Proc Acad. Nat. Sci. Phila., vol. 25, 1873, p. 93.— 

 Austin, Proc. Boston Soc Nat. Hist., vol. 16, 1874, p. 269.— Hubbard 

 and Schwarz, Proc. Amer. Philos. Soc, vol. 17, 1878, p. 636. — Har- 

 rington, Canad. Ent., vol. 16, 1884, p. 101; 15th Rept. Ent. Soc. On- 

 tario for 18S4 (1885), p. 31.— Lintner, 42d Rept. N. Y. State Mus., 

 1889, p. 283.— Blanchard, Ent. Amer., vol. 5, 1889, p. 32.— Cook, 29th 

 Rept. Mich. Board Agric, 1890, pp. 118-119.— Davis, Ins. Life, vol. 4, 

 1891, p. 66; 22d Rept. Ent. Soc. Ontario for 1891 (1892), p. 81.— 

 Cockerell, Trans. Amer. Ent. Soc, vol. 20, 1893, p. 329. — Hausen. 

 Canad. Record Sci., vol. 5, 1892, p. 52. — Chittenden, U. S. Dept. Agric, 

 Div. Ent., Bull. 18, new ser., 1898, p. 49. 



Agrilus gravis LeConte, Trans. Amer. Ent. Soc, new ser., vol. 11, 1859, p. 

 247. — Provancher, Petite Faune Entomologique du Canada, vol. 1, 

 Les Coleopteres, 1877, pp. 358-359. — Chittenden, U. S. Dept. Agric, 

 Div. Ent., Bull. 18, new ser., 1898, p. 49. 



Mais. — Form rather robust, slightly flattened above, and sub- 

 opaque; head bronzy green in front, becoming brownish on the 

 occiput; pronotum and elytra olivaceous black, sometimes with a 

 distinct reddish cupreous tinge, especially on the pronotum ; beneath 

 slightly more greenish and shining than above. 



Head with the front rather narrow, nearly flat, about equal in 

 width at top and bottom, the lateral margins feebly, broadly con- 

 stricted near the bottom, and arcuately expanded at vertex, and with 

 a narrow longitudinal groove extending from occiput to middle of 

 front; surface coarsely, densely punctate, becoming longitudinally 



