. An annotated list of the important North American forest insects. Forest insects. CONNECTICUT AGRICULTURAL EXPERIMENT STATION NE\V HAVEN, CONN. BULLETIN 155, MAY, 1907. ENTOMOLOGICAL SERIES, No. 14. The Elm Leaf Beetle. CONTENTS. Page. The elm leaf beetle 3 History and distribution in America 3 Life history and habits 5 Description 7 Effect upon the trees 8 Food plants 8 Number of generations 9 Natural enemies 9 Remedies 10 Spraying with poison 10 Destroying the pupae 12 Destroying the adult beetles 12 Outfit for spraying elm trees 12 Summary 13 The Bulletins of this Station are mailed free
. An annotated list of the important North American forest insects. Forest insects. CONNECTICUT AGRICULTURAL EXPERIMENT STATION NE\V HAVEN, CONN. BULLETIN 155, MAY, 1907. ENTOMOLOGICAL SERIES, No. 14. The Elm Leaf Beetle. CONTENTS. Page. The elm leaf beetle 3 History and distribution in America 3 Life history and habits 5 Description 7 Effect upon the trees 8 Food plants 8 Number of generations 9 Natural enemies 9 Remedies 10 Spraying with poison 10 Destroying the pupae 12 Destroying the adult beetles 12 Outfit for spraying elm trees 12 Summary 13 The Bulletins of this Station are mailed free to citizens of Con- necticut who apply for them, and to others as far as the editions Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Craighead, Frank C. (Frank Cooper), 1890-; Perry, George S; Snyder, Thomas Elliott, b. 1885; Hopkins, A. D. (Andrew Delmar), 1857-1948; MacAloney, Harvey John, 1896-; Graham, Samuel Alexander, 1891-; Peirson, Henry Byron, 1894-; Herrick, Glenn W. (Glenn Washington), 1870-1965; Britton, Wilton Everett, 1868-1939; Tanaka, T; Sanders, J. G; Howard, L. O. (Leland Ossian), 1857-1950; Chittenden, F. H. (Frank Hurlbut), 1858-1929; St. George, R. A. (Raymond Alexander), b. 1894; Beal, J. A; Middleton, William, b. 1893; Burgess, A. F; Busck, August, 1870-1944; Carl A. Schenck Collection (North Carolina State University) NCRS. [Washington, D. C. : s. n.
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Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1900, bookdecade1900
