Search results
Results from the WOW.Com Content Network
The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is considered a pest but does not harm otherwise healthy trees.
Hyphantria is a genus of tiger moths in the family Erebidae. The genus was erected by Thaddeus William Harris in 1841. [1] The moths are primarily found in North and Central America. One species, Hyphantria cunea, was introduced in Eurasia.
Leaf miner damage to a horse chestnut tree Leaf with minor miner damage Tomato with leaf miner damage Leaf mines by the moth Phyllocnistis hyperpersea on a Persea borbonia leaf Leaf miner trail on a fallen leaf in a Gondwana cool temperate rainforest. Note the initial thin width of the insect trail, becoming wider as the insect grows while it ...
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Leaves The leaves are pinnately compound and alternately arranged on the stem. They are 30–60 cm (1–2 ft) long, typically even-pinnate but there is heavy variation among leaves. The stems have 15–23 leaflets, when terminal leaf is included, with the largest leaflets located in the center, 7–10 cm ( 2 + 3 ⁄ 4 –4 in) long and 2–3 cm ...
Most commonly Cephaleuros virescens is identified by the leaf spots it causes. Theses leaf spots are an orange-brown rust in color and usually occur entirely on the upper leaf surface, although leaf spots on the undersides of infected leaves have been reported. The spots are fuzzy in texture and approximately 2 cm (0.8 in) in diameter. [2]
Oil recovery refers to the cleaning and recovery methods after an oil spill: Fast oil recovery; See also: Bottsand-class oil recovery ship, Skimmer, Oil Spill Eater II, Oil Spill Response; or a form of tertiary (sometimes: improved secondary) recovery of crude oil from primary oil reserves: Enhanced oil recovery. Microbial enhanced oil recovery
Davana essential oil. The leaves and flowers yield an essential oil known as oil of Davana. Several species yield essential oil and some are used as fodder, some of them are a source of the anthelmintic chemical santonin. Davana blossoms are offered to Shiva, the God of Transformation, by the devotees, and decorate his altar throughout the day.