Insects on Trees and Shrubs Around the HomeDepartment of Agriculture, Agricultural Research Service, 1975 - 51 من الصفحات |
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14 inch long active Adult Aphids appear Apply attack Bagworms bands bark beetle become body bore borer branches brown brownish buds bugs burrows carbon tetrachloride cause color Continental covered Damage dark defoliate Description Description.—Adult destroy diazinon dimethoate Distribution Distribution.-Continental do.-Apply malathion early Eastern Eastern tent caterpillar eggs feed flowers foliage gall Garden girdle gray green growing grown growth grub hairs head holes Home infested injury insects Japanese Beetle June kill Larva Larva feeds late later leaf Leafminers leaves legs less limbs lindane lines marked Mealybugs Moth needles Northeastern noticed Nymphs orange pale pesticides PESTS pine plants roots sawfly Scales shoots side slender species Spider Mites spray spring spruce stems stripe summer tablespoons teaspoons Tent Caterpillars Throughout trees trunk tunnels twigs United usually weakened wings wood worms wound yellow yellowish young
مقاطع مشهورة
الصفحة 7 - Mention of a trademark or proprietary product does not constitute a guarantee or warranty of the product by the US Department of Agriculture and does not imply its approval to the exclusion of other products that may also be suitable.
الصفحة 18 - ... trees to a depth of 1 to 4 inches. This will destroy the caterpillars in their earthen cells. Cultivation reduces the number of adult moths that will emerge and lay eggs in subsequent generations. Leafhoppers Description. —Adults: Many colorsgreen, brown, yellow or striped; wedge-shaped; up to 1/8 inch long; fly quickly when disturbed. Nymphs: Similar to adults, but smaller; crawl sideways like crabs. Damage .—Cause leaves to curl or roll downward, crinkle, and turn yellow or reddish brown....
الصفحة 6 - The following insecticides can be absorbed directly through the skin in harmful quantities. When working with these insecticides in any form, take extra care not to let them come in contact with the skin. Wear protective clothing and respiratory devices as directed on the label. chlorpyrifos...
الصفحة 3 - ... bulletin. If you need additional information, write to your local extension agent, your State Extension Service, or to the US Department of Agriculture, Washington, DC 20250. Include your return address and ZIP code. If you cannot identify the insects or diseases that are damaging your plants, send specimens of the insects (in a small bottle of rubbing alcohol) to your local extension agent or State Extension Service. You can also send damaged parts of the plants to the same location. CONTROL...
الصفحة 45 - States. Praying mantids United BN-14753 Description. -Green; green wings that have brown front edges; large abdomens; slender thoraxes; wedge-shaped; movable heads; large front legs that have spines for grasping prey; 2-1/2 to 5 inches long. Eggs laid in fall in masses on shrubs or tall grass, and...
الصفحة 43 - ... at hind end. Benefit.— Feed on caterpillars and other insects. Distribution.— Continental United States. Lady beetles Description.—Adults: Shiny red or tan; some have black spots; oval; about V* inch long. Larvae: Blue, orange, or gray; carrot-shaped; warty; 1/16 to 1/4 inch long. (See p. 18 for color illustration.) Benefit.— Feed on aphids, spider mites, scales, and mealybugs. Distribution.— Continental United States. Minute pirate bugs BN-14754 Description.— Adults: Generally black,...
الصفحة 45 - ... that have spines for grasping prey; 2-1/2 to 5 inches long. Eggs laid in fall in masses on shrubs or tall grass, and covered with froth that hardens. Young hatch in spring; resemble adults, but are wingless. Benefit .—Young feed on aphids and other small insects. Adults feed on many kinds of larger insects. Distribution.— Continental United States; most numerous in the Northeast. Spiders and mites Description.— Range in size from orb-weaving black-and-yellow garden spiders and large hunting...
الصفحة 17 - ... prematurely dropped nuts and burn them immediately to destroy the developing larvae. Walnut caterpillar Description. -Adult: Brown moth; wingspan about 2 inches. Larva: Black caterpillar; white hairs; raises both ends of body when disturbed; up to 2 inches long. (See p. 17 for color illustration.) Damage.- Feeds in groups on the leaves and causes defoliation. Distribution.- Most of the eastern United States, and west to Kansas. What to do.
الصفحة 45 - ... flies, beetles, caterpillars, aphids, and leafhoppers. Predaceous mites feed on spider mites, cyclamen mites, aphids, and thrips, and on larvae and eggs of many kinds of insects. Distribution. -Continental United States. Wasps Syrphid flies Description.- Adults: Bright yellow and black; 1/4 to 3/8 inch long; hover above flowers and plants. Larvae: Resemble slugs; brown, gray, or mottled. (See p. 18 for color illustration.) Benefit.- Larvae eat insects; single larva can eat one aphid per minute....
الصفحة 26 - ... lower branches of the tree with endosulfan. Begin spraying about May 15. Spray once a month through September 15. If borers attack your trees, these pests can be cut out. Inspect the trunks and branches in late summer for evidence of injured bark or of fine boring dust being pushed from the burrows. Cut the borers out with a sharp knife, trim the edges of the wound back to green bark, and paint wound with tree-wound dressing. Flathead Borers Flathcad borers often attack newly transplanted dogwoods...
معلومات المراجع
| العنوان | Insects on Trees and Shrubs Around the Home العدد 214 من Home and garden bulletin, United States Dept. of Agriculture |
| المؤلفون | Paul Henry Schwartz, United States. Agricultural Research Service |
| الناشر | Department of Agriculture, Agricultural Research Service, 1975 |
| أصلي من | جامعة فيرجينيا |
| الكتب ذات التنسيق الرقمي | 15 كانون الثاني (يناير) 2008 |
| عدد الصفحات | 51 من الصفحات |
| تصدير الاقتباس | BiBTeX EndNote RefMan |