Aphid parasites established: Natural enemies of spotted alfalfa aphid brought from Middle East expected to be established throughout the state in 1958
oleh: K Hagen, J Holloway, F Skinner, G Finney
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1958-02-01 |
Deskripsi
Three imported species of wasps—Praon palitans Muesebeck, Trioxys utilis Muesebeck and Aphelinus semiflavus Howard—parasites of the spotted alfalfa aphid, are abundant in southern California and are becoming established in northern California.