This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Study of plant lice and their complex life cycles
The article explains winged and wingless plant lice including the Corn Plant Louse, their honeydew, ant farming, and agamic and sexual generations. It details life cycles on leaves roots and trunk, effects on grape vines and apples, and remedies such as resistant stocks, solar and chemical treatments, soap washes, and carbon bisulfide.
MENTIONED IN THIS ARTICLE
A. Forbes
Ilinois
Surmer
California
Prof
Wickson
Frederick W. Mally
M. Lee Hulen
Texas