234 Forty-second Report on the State Museum. [92] 



Galeruca xanthomelsena (Sclirank). 

 The Elm-leaf Beetle. 



(Orel. Coleoptera: Fam. CnEYSOMELiDiE.) 



LiNN^us: Syst. Nat., ii, 1767, p. 600, No. 101 {Clirysomela Calmariensis.) 



Fabricius: Syst. Ent.. 1775, p. 119, No. 4 {Crioceris Calmariensis); Spec. 

 Ins., i, 1781, p. 150, No. 6 ; Mant. Ins., i, 1787, p. 87, No. 7 ; Ent. Syst, 

 i, pt. ii, 1792, p. 23, No. 46 (Galleruca Calmariensis). 



Schrank: Enumeratio Insectorum Austriae indigenorum, 1781, p. 78. 



Olivier : Encyc. Method.— Hist. Nat. Ins., vi, 1791, p. 589 (as Galeruca cal- 

 mariensis). 



Westwood : Introduc. Classif . Ins., 1839, p. 382 (destructiveness in Sevres). 



Harris: Treat. Ins. N. Eng., 1852, p. 109; Ins. Inj. Veg., 1862, p. 124 {Gale- 

 ruca Cal.). 



Emmons: in Nat. Hist. N, Y.— Agricul., iv, 1854, p. 134, pi. 12, f. 12. 



Fitch : in Trans. N. Y. St. Agr. Soc. for 1858, xviii, 1859, p. 842-3 ; 3d-5th 

 Kepts. Ins. N. Y. (5th Eept.), 1859, p. 62-3. 



LeConte: in Proc. Acad. Nat. Sci. Phil, for 1865, p. 218 (features and 

 references). 



Glover: in Eept. Commis. Agr. for 1867, p, 62 (br. ref. and fig.); id. for 

 1870, p. 73. 



Rathvon : in Field and Forest, ii. 1876, pp. 96-98 (at Lancaster, Pa.). 



Riley: in Rept. Comm. Agricul. for 1878, p. 245 (br. ref.); in Amer. Ento- 

 mol., iii, 1880, p. 291 (natural history, enemies, etc.); in Ann. Rept. 

 Comm. Agricul. for 1883, pp. 159-170, pi. 12, f . 3 (full account) ; same, 

 repub. as Bull. No. 6, U. S. Dept. Agricul,, Divis. of Ent., 1885; 

 same, in Bull. Nu. 10 id., 1887, pp. 8-22, figs. 1-6. 



Fuller: in Amer. Entomol., iii, 1880, p. 3 (at Newburgh, N. Y.). 



Lockwood: in Amer. Nat., xv, 1881, pp. 242-244 (hibernation); in Bull. No. 

 4, U. S. Dept. Agr., Div. Entomol.. 1884, p. 90 (ravages at Freehold, 

 N. J.). 



Packard: Ins. Inj. For.-Sh. Trees, in Bull. No. 7, U. S. Ent. Commis., 

 1881, p. 64 (brief description). 



Lintner: in Count. Gent., xlvii, 1882, p. 805; id,, 1. 1885, p. 841 (remedies, 

 etc.); in Canad. Entomol., xvi, 1884, p. 183 (reference) ; in Count. 

 Gent., Ii, 1886, p. 409 (bibliography, etc.) : Iii, 1887, pp. 421, 565, 695 

 (spraying for); 4th Rept. Ins. N. Y., 1888, pp. 15, 143, 161, fig. 59 

 (.extension of range). 



Van Wagenen: in Canad. Entomol., xv, 1883, p. 160 (abundance at Cold 

 Spring, N. Y.). 



Claekson : in Canad. Entomol., xvi, 1884, p. 124 (at Flatbush, L. I.). 



Henshaw: in Cassino's Stand. Nat, Hist., ii, 1884, p. 316 (its enemies, etc.); 

 List Coleop. N. Amer,, 1885, p. 111, No. 6912. 



Cook: in Rur. N. Yorker, xlv, 1886, p, 577 (general notice). 



Dyar : in Insect Life, i, 1889, p. 285 (at Poughkeepsie). 



This destructive insect pest, which within the last few years has 

 extended its ravages into the State of New York, entering it from the 

 south and spreading northward with a steady progress that threatens 

 to carry it to the northern borders of the State, and even beyond, is 

 one of the many injurious species which Europe has contributed to 



