109 



63. The Corn Bill-Bug. 



{Sphenophorus rohustus, Horn.) 



1873. Horn, G. H. — Sphenophorus rohiistns. Proc. Amer. Phil. Soc. 

 1873, p. 419. Original description. Occurs as widely as S. 

 pertinax, Oliv, but is less common. 



1881. CoMSTOcK, J. Henry. — Sphenophorus pertinax. Eep. Com. 



Agr. 1880, p. 272. Keceived specimens from correspon- 

 dents in Alabama, where it was said to be injuring 

 young Indian corn extensively, by piercing the stalk just 

 below the ground. Eavages confined to low, wet land. 



1882. EiLEY, C. V. — Sphenopliorus rohustus. Eep. Com. Agr. 1881, 



pp. 138-142. PI. VIII, fig. 2. Description of imago, larva, 

 and pupa. Habits, natural history, injury, and preventives. 

 Damage is done principally in early spring, as the young 

 Indian corn appears above ground, by puncturing the stalk 

 and sucking the sap. 



64. Sphenophorus cariosus, Oliv. 



1789-1808. Olivier, A. G.— Ent. V., 83, p. 91, pi. 29. fig. 415. 

 {Teste Horn.) Original description. 



1871. Glover, Townend. — Sphenophorus cariosus. Eep. Com. Agr. 

 1870, p. 63. Eeceives this insect from New Jersey, where 

 it is said to be very destructive to young Indian corn plants. 



1873. Horn, G. H.— Idem. Proc. Amer. Phil. Soc. 1873, p. 420. 

 Description, synonymy, bibliography. Occurs in Middle 

 States rarely ; in Gulf States abundantly. 



1876. Le Conte, J. L.— Idem. Proc. Amer. Phil. Soc. XV., 425. 

 (The Ehyncophora of America.) Favors uniting S. callosus 

 Oliv. with above species. 



65. The Sculptured Corn Curgulio. 



{Sphenophorus sculptUis, Uhler.) 



1855. Uhler, P. E. — Sphenophorus sculptUis. Proc. Acad. Nat. Sci. 

 Phila. VIL, 416. (A description of a few species of Coleop- 

 tera supposed to be new.) Original description. 



1857. Fitch, Asa. — Sphenophorus venatus. The Cultivator, 3d series, 

 v., 273. Eeceives specimens from correspondents in New 

 York State, where it is seriously injuring Indian corn. 

 Collecting the beetles the most effectual remedy. 



1867. Walsh, B. D.— Sphenophorus zece. Pract. Ent. II., 117. Ee- 

 ported from New York State as making sad havoc with 

 Indian corn, destroying whole fields in some instances. 

 Eedescribed as a new species. 



