80 Forty-first Report on the State Museum. 



leaf, are seen only from the upper surface. They are white, crinkled, 

 conspicuous, and with the small excremental grains often deposited in 

 two parallel lines near the margins. 



Effort will be made the coming summer to procure the insect pro- 

 ducing these mines, which may perhaps prove to be another species 

 of Phytomyza. 



Megilla maculata (De Geer). 



The Spotted Lady-hird. 



(Ord. Coleopteba: Fam. Cogcinellid^.) 



Coccinella maculata De Geee: Mem. Hist. Ins., v, 1775, p. 392, pi. 16, fig. 22. 



CoccinellalO-macidata Fabbjcivs: Spec. Ins., i, 1781, p. 99, No. 29; Mant. 

 Ins., 1787, p. 57, No. 44. 



Hippodamia maculata Melsheimer: Cat. Coleop. U. S., 1853, p. 129. — 

 Glover : in Kept. Comm. Agricul. for 1866, p. 41 (parasitic attack) ; 

 id. for 1874, p. 123 (feeds on Colorado potato-beetle eggs). — Walsh- 

 Eiley: in Amer. Entomol.. i, 1868, p. 46, fig. 36; p. 186, flg. 138: p. 

 194, lig. 135.— Eiley: 1st Eept. Ins. Mo., 1869, p. 112, flg. 49.— 

 Packard: Guide Stud. Ins., 1869, p. 511, flg. 509 (mention). — Eeed : 

 in 2d Eept. Ent. Soc. Ont. for 1871, p. 71-2, flg. 72.— Saunders : in 

 8th Eept. E. S. O. for 1877, p. 36, flg. 10.— Williams : in 9th Eept. 

 E. S. O. for 1878, pp. 43, 44, flg. 30.— Comstock : in Eept. Comm. 

 Agricul. for 1879, p. 177, fig. 30 (mention).— Eorbes : Bull. 6, 111. St. 

 Lab. Nat. Hist., 1883, pp. 51, 52 (food); 14th Eept. Ins. 111., 1885, 

 p. 21-2 (eats corn). 



Megilla maculata Crotch: Ch List. Coleop. N. A., 1873, p. 49, No. 2823; in 

 Trans. Am. Ent. Soc, iv, 1873, p. 364 (description).— Webster : in 

 Bull. 3, 111. St. Lab. N. H., 1880, p. 152; in Amer. Entomol., iii, 1880, 

 p. 173 (eats pollen). — Eiley : in Amer. Nat., xv, 1881, p. 326 (feeds on 

 corn); id., xvii, 1883, p. 322-3 (food-habits). — Griffith: in Amer. 

 Nat., xvi, 1882, p. 408 (eaten by Mic7^ocentrusretinervum). — Lintner : 

 in Count. Gent., xlviii, 1883, p. 941 (a corn pest). — Saunders: Ins. 

 Inj. Fruits, 1883, p. 125, flg. 129.— Dimmock: in Cassino's Stand. 

 Nat. Hist., ii, 1884, p. 312.— Hunt: in Miss. Ess. Econ. Ent, 1886, 

 p. 92-3 (bibliog. of corn insects).— Howard : Bull. 17, Chinch Bug; 

 Div. Ent., U. S. Dept. Agricul., 1888, p. 22, flg. 4 (food). 



A New Corn Pest. 



In the autumn of 1883, beetles sent for name, from Fairfield, Conn., 

 as " making bad work with corn," were identified as this sj)ecies. In 

 response to the incpiiry made of them, the following communication 

 was published, substantially, in the Country Gentleman, of November 

 22, 1883. 



The insects sent are " lady-bugs," of the species popularly named 

 " the spotted lady-bird," and the Ilegilla maculata of our present cata- 



