12 books found
A complete rearrangement of the genera of Psyllidae is herein presented, with only the American genera being treated in this monograph. The American genera have been arranged in six subfamilies - Liviinae, Pauropsyllinae, Carsidarinae, Ceriacreminae, Triozinae, and Psyllinae.
by Sir David Kennedy Henderson, Robert Dick Gillespie
1930
by David BROWN (Principal of the Free Church College, Aberdeen.)
1872
by David M. Klein