The Periodical Cicada
BULLETIN NO. 14, NEW SERIES. U. S. DEPARTMENT OF AGRICULTURE. DIVISION OF ENTOMOLOGY. THE PERIODICAL CICADA. AN ACCOUNT OF CICADA SEPTENDECIM, ITS NATURAL ENEMIES AND THE MEANS OF PREVENTING ITS INJURY, TOGETHER WITH A SUMMARY OF THE DISTRIBUTION OF THE DIFFERENT BROODS. C. JJ. MAELATT, M. S., FIRST ASSISTANT ENTOMOLOGIST. WASHINGTON: GOVERNMENT PRINTING OFFICE. 1898. 1, So, 14, new series, Div. of Entomology, U. S. Dept. of Agriculture. frontispiece. !'hilo I V Riley.del L.SuIhv m p TRANSFORMATION OF CICADA SEPTENDECIM —*"— " R E C £ ' V E D "n.ftv vVoA\ .v ;P-M o 'HÖH w >* ■ • • ^ ; _; __ ÛTsT Departmen^o^Agriculture^ BULLETIN No. 14, NEW SERIES. U. S. DEPARTMEiNT OF AGRICULTURE. DIVISION OF ENTOMOLOGY. THE PERIODICAL CICADA. AN ACCOUNT OF CICADA SEPTENDECIM, ITS NATURAL ENEMIES AND THE MEANS OF PREVENTING ITS INJURY, TOGETHER WITH A SUMMARY OF TUB DISTRIBUTION OF THE DIFFERENT BROODS. C. L. M AUL, ATT, M. S. FIIIST ASSISTANT ENTOMOLOGIST WASHINGTON: GOVERNMENT PRINTING OFFICE. 1898. DI VISTON OF ENTOMOLOG Y. Entomologist : L. O. Howard. Assist. Entomologists : C. L. Marlatt, Th. Pergande, Frank Benton. Investigators : E. A. Schwarz, H. G. Hubbard, D. W. Coquillett, F. H. Chittenden. Assistants : R. S. Clifton, Nathan Banks, F. C. Pratt, August Busck. Artist: Miss L. Sullivan. LETTER OF TRANSMITTAL IL S. DEPARTMENT OF AGRICULTURE, DIVISION OF ENTOMOLOGY, Washington, D. (7., May 1, 1898. SIR : The periodical, or seventeen-year, Cicada has a peculiar interest in addition to its economic importance, in that it is distinctly American and has the longest life period of any known insect. Economically, it is chiefly important in the adult stage from the likelihood of its injuring nursery stock and young fruit trees by depositing its eggs.
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