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!
Alfalfa Caterpillar Study in Imperial Valley Report
W L Wilermuth—US Bureau of Entomology—summarizes natural enemies of alfalfa caterpillar, identifies tachinid fly eggs on larvae, and notes a disease that decimates larvae in moist summers. It discusses misidentification with bollworm Heliothis obsolete, control challenges, and field management practices including timely cutting and irrigation to suppress generations and protect hay crops.
MENTIONED IN THIS ARTICLE
W. L. Wilermuth
United States Bureau of Entomology
Eurymus
Huphorocera
Macy
D. W. Coquillett
Limnerium Sp
Imperial Valley
EB. O. G. Kelly
T. H. Parks
Bureau of Entomology
Wellington
Kang
Berkeley
Cal
Wilale
Imperial Valley Horticultural Commission
Southwest
Arizona