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Remove Filters: Jack Dykinga(X)

15 Images of 11 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5007051 honey bee Apis mellifera on honeycomb
1322088 Mexican fruit fly Anastrepha ludens Mexican fruit flies laying eggs in grapefruit before a test of the reduced-oxygen treatment.
1322089 Mexican fruit fly Anastrepha ludens In grapefruit as well as many other fruits, one female Mexican fruit fly can deposit large numbers of eggs: up to 40 eggs at a time, 100 or more a day, and about 2,000 over her life span
1322091 cotton Gossypium hirsutum The stalk-puller attachment drawn through this cotton test field near Weslaco, Texas, by field technician Victor Valladares plucks out the whole plants, roots and all.
1322092 cotton Gossypium hirsutum Field technician Emilio Chavez drives a tractor-drawn stalk puller that uproots plants after harvest. This prevents regrowth, water loss, and overwintering of pests in cotton and grain sorghum fields.
1323093 safflower Carthamus tinctorius A field of safflower, Carthamus tinctorius L.
1320028 bollworm Helicoverpa zea A natural insecticide in the silk of some corn lines will deter earworms in the future if ARS scientists succeed in transferring genes that control the production of maysin.
1320058 cattle Bos spp. ROUNDUP ...at the Fort Keogh Livestock and Range Research Station in southeastern Montana. At this station, one of the largest in the world of its kind, researchers help to ensure a plentiful supply of meat while protecting the rangeland environment.
1320059 pronghorn antelope Antilocapra americana Pronghorn antelope and other wildlife are abundant on the Fort Keogh rangeland.
1320095 bladderpod Lesquerella spp. A field of lesquerella near Phoenix, Arizona.
1320096 bladderpod Lesquerella spp. Kneeling in a 20-acre pilot production field in Arizona, Anson E. Thompson checks lesquerella for seed set. Oil from the seeds can be used to make cosmetics and a variety of other products.
1321083 leafcutting bee Osmia ribifloris This bee, Osmia ribifloris (on a barberry flower), is an effective pollinator of commercial blueberries and is one of several relatives of the blue orchard bee, Osmia lignaria. Similar in appearance, the blue orchard bee is also a successful commercial pollinator that is now being evaluated for use in a wider range of crops.
1321084 leafcutting bee Osmia ribifloris
1319070 boreal sweetvetch Hedysarum boreale Geneticist Tom Jones examines Utah sweetvetch flowering at North Ogden Pass in the Wasatch Mountains.
1355004 Africanized honey bee Apis mellifera scutellata Northwest Fire District's Captain John Estes of Tucson, Arizona, uses a wide spray of water and chemical wetting agent as a means of subduing Africanized honey bees. Looking on is ARS entomologist Eric Erickson (retired), who taught this control method to fire departments throughout Arizona.

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