Antonelli, Arthur L.; Getzin, L. W. (Louis William), 1933-(Pullman, Washington : Washington State University. Extension., 1997-05)
This insect attacks carrots, parsnips, celery, celeriac, and parsley. Maggots feed on and in roots in late summer and fall. Floating row covers and cultural controls recommended. 2 pages.
Antonelli, Arthur L.; Akre, Roger D., 1937-; Catts, E. Paul(Pullman, Washington : Washington State University. Extension., 1997-09)
Spiders are beneficial arthropods, found indoors and out. In the Northwest, widow spiders and hobo or aggressive house spiders can cause painful bites. Color photos and descriptions of common varieties should ease your ...
Antonelli, Arthur L.(Pullman, Washington : Washington State University. Extension., 1997-08)
This nuisance pest plagues home gardeners and greenhouse growers. Whiteflies suck juices from plants, exude sticky honeydew, and stunt plant parts. 4 pages.
Antonelli, Arthur L.; Patten, Kim D., 1953-; Bristow, Peter R.; Tanigoshi, Lynell K.; Schreiber, Alan; Daniels, Catherine H., 1957-(Pullman, Washington : Washington State University. Extension., 1997-01)
