i68 



SECOND REPORT OF THE STATE ENTOMOLOGIST. 



Morris: in Proc. Acad. Nat. Sci. Pbil., iii, Nov., 1846, pp. 133-134; lb., March, 

 1847, pp. 190-191 (larvae ou roots of fruit trees); in Downing's Horticul- 

 turist, ii, 1847, p. 16. 



Burnett: in Proc. Bost. Soc. Nat. Hist., iv, 1851, p. 71 (sexual system aud musical 

 apparatus); lb., p. Ill (appearance in cleared lands). 



Harris: Ins. N. Eng., 1852, pp. 180-189; Ins. Inj. Veg., 1860, pp. 206-217, f. 87, 

 pi. 3, f. 7. 



Fitch: in Trans. N. Y. St. Agricul. Soc. for 1854, xiv, 1855, pp. 742-753; 1st Rept. 

 Ins. N. York, 1856, pp. 38-49. 



Walsh: in Pract. EntomoL, i, 1865, p. 19 (locust districts, from Fitcb). 



Riley: 1st Rept. Ins. Mo., 1869, pp. 18-42, figs. 6-13; 4th Rept. do., 1872, pp. 

 30-34. 



Le Baron: 2d Rept. Ins. 111., 1872, pp. 124-133. 



Packard- 3d Ann. Rept. Ins. Mass., 1873, pp. 16-20, figs. 142, 143. 



Bessey: in Amer. EntomoL, iii, 1880, pp. 27-30 (distrib. in Iowa). 



Saunders: Ins. Inj. Fruits, 1883, pp. 35-39, figs. 24-27, 



The Cicada in Western New York. 



Examples of the above-named insect, together with peach-twigs 

 showing its work, and empty pupal cases attached, were received at 

 this department, about the last of June, 1882, from Ontario county, 

 New York, with the inquiry if they were the true seventeen-year locust, 

 and if so, if their appearance only at such long intervals could be ac- 

 cepted as a scientific fact. 



Fig. 43— The seventeen-year Cicada — Cicada septendecim: a, the pupa; 6, the pupa case; c, the ma- 

 ture Insect. 



Fig. 43 shows the insect with its wings spread upon one side, the 

 pupa from which it is disclosed, and the pupal case. 



Seventeen Years Required for its Transformations. 



Notwithstanding all that has been written of this species, and the 

 labor that has been expended upon its study, it is a matter of surprise 

 that there should still prevail a wide-spread incredulity that the period 



