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Topic: Spider mites

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Strepsiptera

	Spider Mites
		Spider mites (Family: Tetranychidae) are classed as a type of arachnid, relatives of insects that also includes spiders, ticks, daddy-longlegs and scorpions.
		Spider mites develop from eggs, which usually are laid near the veins of leaves during the growing season.
		Most spider mite eggs are round and extremely large in proportion to the size of the mother.
	www.ext.colostate.edu /pubs/insect/05507.html (1353 words)

	Spider Mites
		The spider mites, also called webspinning mites, are the most common mite pests and among the most ubiquitous of all pests in the garden and farm.
		Spider mites live in colonies, mostly on the under surface of leaves; a single colony may contain hundreds of individuals.
		Spider mites are generally favored by hot, dusty conditions and are usually found first on trees or plants adjacent to dusty roadways or at margins of gardens.
	cecalaveras.ucdavis.edu /mites.htm (1192 words)

	Good Bug, Bad Bug: Spider Mites (Site not responding. Last check: 2007-10-10)
		Spider mites are usually noticed first by their damage, a stippling or light dots on the top of leaves.
		Spider mites tend to be first discovered on lower leaves close to the ground, especially on miniature roses.
		Spider mites have been found on over 300 host plants; violets, chickweed, henbit, flberry, hollyhocks, and several types of weeds are common host plants from which spider mites move to other plants.
	www.bmi.net /roseguy/gbspmite.html (764 words)

	UNL Entomology - Turfgrass Insects - Spider Mites
		Mites of the second generation are most active from late February through early April and cause a significant portion of the winter injury observed in the turf.
		Mite damage is characterized by general lack of plant vigor and a silvery or pale yellow discoloration on leaves.
		Spider mites can be detected by carefully inspecting thatch and grass blades with a 10X hand lens or magnifier for foraging clover and winter grain mites, or for colonies of twospotted and Banks grass mites colonies on the undersides of leaves.
	entomology.unl.edu /turfent/documnts/spmites.htm (1153 words)

	Spider Mites And Their Control, HYG-2012-92
		Spider mites are not insects but are more closely related to spiders.
		Spider mites are very tiny, being less than 1/50 inch (0.4mm) long when adults.
		Spider mites have tiny mouthparts modified for piercing individual plant cells and removing the contents.
	ohioline.osu.edu /hyg-fact/2000/2012.html (1273 words)

	Pred.Mite Intro
		Spider mite and thrips populations are resistant to many of the chemicals used against them.
		Pyrethroid sprays, in particular, are known to cause spider mite flare-ups due to the elimination of natural enemies and physiological effects on the mites.
		Spot spraying of localized outbreaks of thrips and spider mites with short-residual chemicals that are compatible with the predatory mites or, on a small scale, with insecticidal soap or horticultural oil may help to keep infestations under control while the predatory mite population establishes.
	www.nysaes.cornell.edu /ent/biocontrol/predators/mitintro.html (710 words)

	spider mites
		Spider mites are not insects but are more closely related to spiders.
		Most spider mites spend the winter in the egg stage but the twospotted spider mite may over winter in Alaska as adult females resting in protected places, especially in greenhouses where warmer winter ambient temperatures provide some protection.
		Predatory mites of the family Phytoseiidae (pictured left, attacking spider mite) are the most important predators of spider mites.
	www.ipmofalaska.com /files/spidermites.html (1140 words)

	Spider Mites on Landscape Plants
		Mites are tiny—about the size of the period at the end of this sentence.
		The twospotted spider mite and European red mite thrive under hot, dry summer conditions, whereas the spruce spider mite and southern red mite prefer cooler temperatures in the spring and fall.
		Spider mite eggs that have not yet hatched are unaffected by most miticides; the same may be true of larvae and nymphs that are molting.
	www.uky.edu /Agriculture/Entomology/entfacts/trees/ef438.htm (1987 words)

	Spider Mites
		Spider mites are not insects, but close relatives of spiders, daddy longlegs, and ticks.
		Spruce mites, which feed on many conifers, clover mites, and European red mites are most active in cool weather during spring and fall.
		Because they are small and difficult to see, spider mite problems are often diagnosed by symptoms of the host rather than by direct identification of the pest.
	www.ext.vt.edu /departments/entomology/ornamentals/spidermites.html (413 words)

	European Red Mite & Twospotted Spider Mite
		The twospotted spider mite is widely distributed and a common pest of orchards and nursery plants.
		Adult twospotted spider mites are only about.35 mm (1/60 inch) in length, and have a fl spot on each side of their bodies, which range in color from white to light red.
		In assessing the degree of a spider mite infestation, it is important that one recognize the stippling or speckled effect on green foliage which is the early sign of mite feeding.
	www.uri.edu /ce/factsheets/sheets/mites.html (982 words)

	Greencoast Hydroponics - Hydroponic spider mites
		Spider mites are members of the arachnid class along with spiders and ticks.
		Many houseplants indoors are hospitable to spider mite infestations, and the same goes for plants grown in an indoor growroom or greenhouse.
		Spider mites are usually not killed by regular insecticides, so be sure to check the pesticide label to see if "miticide" is present.
	www.greencoasthydroponics.com /art_spider.asp (1486 words)

	Spider Mites
		These mites are greenish yellow to orange and have two distinct fl spots on each side of the body, which give rise to their name.
		Spider mites that may infest honeylocust, linden, elm, willow, and oak are most destructive in the summer.
		Spider mites are also a known source of allergens causing asthma, hay fever, and contact urticaria.
	www.colostate.edu /Depts/CoopExt/4DMG/Pests/spidmite.htm (601 words)

	UC IPM: UC Management Guidelines for Spider Mites on Alfalfa
		Spider mites are small pests, with adults about the size of a small pinhead, variable in color (green or yellow) with dark pigmented spots.
		Spider mites are usually found on the undersides of leaves, with colonies beginning on the lower (older) leaves and moving upward on the plant.
		Spider mites are also fed on by minute pirate bugs, big-eyed bugs, and lacewing larvae.
	www.ipm.ucdavis.edu /PMG/r1400111.html (874 words)

	IPM UCONN Spider Mites (Site not responding. Last check: 2007-10-10)
		Mites, spiders and ticks are not insects, but belong to a closely related group called the arachnids.
		Young spruce spider mites are pale green; adults may be reddish, dark green or nearly fl with pink legs and spines.
		Unlike two-spotted mites, spruce spider mites are most active and damaging during the spring and fall when the temperatures are cooler and rainfalls are more frequent.
	www.hort.uconn.edu /ipm/homegrnd/htms/2spmite.htm (902 words)

	Spider Mites - Forest Nursery Pests
		Spider mites are distributed nationwide across the range of their hosts.
		Spider mites usually overwinter as eggs on conifers or evergreens and as adults on deciduous plants.
		Spider mites survive hot weather during the summer by remaining dormant in the egg stage.
	www.forestpests.org /nursery/spidermites.html (676 words)

	Spider mites are burning soybean fields
		The twospotted spider mite is named for the two dark spots on the sides of the abdomen, which are digested food visible through the insect's translucent body.
		Spider mite injury to soybean can resemble herbicide injury or a foliar disease; however, characteristic signs are tiny yellow spots, or stipples, on leaves.
		Spider mites can cause yield reductions as long as green pods are present.
	www.ipm.iastate.edu /ipm/icm/1999/8-9-1999/spimiteburn.html (650 words)

	Spider Mites
		Spider mites are the bane of bonsai growers and growers of ornamentals in gerneral.
		If the mites are very small, translucent, and appear to have two dark spots on their backs, you probably have two spotted mites, or one of their relatives.
		Mites won't be found on the upper and succulent parts of the plant.
	www.evergreengardenworks.com /mites.htm (1835 words)

	Spider Mite Management in Corn and Soybeans G93-1167-A
		Banks grass mites usually appear earlier in the season, feed mostly on the lower leaves of the corn plant, and in Nebraska are moderately susceptible to many of the commonly used miticides.
		Spider mites (particularly TSM) are noted for their ability to develop resistance to chemicals that were once toxic to them.
		Mite infestations occurring early in the season should be carefully scouted during the rest of the season.
	ianrpubs.unl.edu /insects/g1167.htm (2928 words)

	Spider Mites
		Spider mites feed on plant cells and produce characteristic small, yellowish, speckled feeding marks.
		Spider mites are sensitive to day length and are capable of diapausing (hibernating) within cracks and crevices of your structure.
		A predatory mite (Family: Phytoseiidae) This is the most frequently used mite predator to control two-spotted spider mites in greenhouses and outdoor crops grown n mild environments.
	www.hydro-gardens.com /spidermite.htm (1081 words)

	Spider Mites Management Guidelines--UC IPM
		A small number of mites is not usually reason for concern, but very high populations—levels high enough to show visible damage to leaves—can be damaging to plants, especially herbaceous ones.
		Various insects are also important predators—the sixspotted thrips (Scolothrips sexmaculatus), the larvae and adults of the spider mite destroyer lady beetle (Stethorus picipes), the larvae of certain flies including the cecidomyid Feltiella acarivora, and various general predators such as minute pirate bugs, bigeyed bugs, and lacewing larvae.
		The purchase and release of predatory mites can be useful in establishing populations in large plantings or orchards, but the best results are obtained by creating favorable conditions for naturally occurring predators—for instance, by avoiding dusty conditions and pesticide sprays.
	www.ipm.ucdavis.edu /PMG/PESTNOTES/pn7405.html (1601 words)

	Biological Control of Gorse Using Gorse Spider mites
		The aim of this activity is to study the growth habits and behaviour of the gorse spider mite, Tetranychus lintearius, in controlling gorse.
		Although the different strains of gorse mites look alike, their responses to environmental conditions are different, which affects the success of populations in different climates.
		Release spider mites onto gorse bushes on a local farm and compare behaviour patterns with those in the classroom e.g.
	www.maf.govt.nz /MAFnet/schools/activities/gorse/grsmtact.htm (988 words)

	Mealybugs
		Bulb Mite (Rhizoglyphus echinopus): This mite is 1/50 to 1/25 inch long, whitish with six or eight brownish or pinkish legs, and barely visible the naked eye; it injures bulbs of various species of plants.
		Young cyclamen mites are white or pale green, 1/100 inch long, and have six or eight legs; adult mites are orange-pink, shiny, about 1/100 inch long, and have eight legs.
		Twospotted Spider Mite or Red Spider Mite (Tetranychus urticae): This mite has an oval body and is yellow or greenish with two dark spots on the back; also, the body of the mite is very small and is sparsely covered with spines.
	www.uga.edu /vegetable/Mealybugs.html (1528 words)

	3389 - Spider Mites on Ornamentals
		Spider mites are a very common plant pest.
		Spider mites belong to the class of animals which include ticks, spiders, scorpions and daddy longlegs.
		Spider mites are among the most ubiquitous of pests attacking a wide variety of field, garden, greenhouse, nursery and ornamental plants, as well as several weed species.
	www.mobot.org /gardeninghelp/hortline/messages/3389.shtml (424 words)

	UNL Entomology - Management of Spider Mites in Corn
		Spider mites are most likely to develop economically damaging populations in fields that are moisture-stressed during June and July, particularly if weather is hot, windy, and dry.
		Mite build-up can occur even in irrigated fields, especially if irrigation problems exist or if irrigation is delayed during stress periods prior to the blister stage of corn.
		Spider mite control decisions are based on many factors including the mite species present, level of infestation, growth stage of the crop, cost of application, and market price of the crop.
	entomology.unl.edu /pmguides/spdmites.htm (1085 words)

	Spider mites and their control with predators
		The two-spotted spider mite is smaller than a pinhead.
		The two-spotted mite is not the only web-spinning mite to feed on plants, but it is the most common.
		Outbreaks of spider mites often occur when the weather is hot and dry because the mite can lay more eggs under these conditions.
	www.benemite.com (397 words)

	Spider Mites - Gardener's Most Wanted
		Because spider mites are so small—about 1/50 of an inch!—you ' ll likely notice their fine webs or the tiny yellow pricks they leave on plant leaves long before you ever actually see any of them in the flesh.
		The sooner you catch spider mites at work, the more likely your plants are to recover from their feeding frenzy.
		Commercially available lacewings and predator mites can be released in small indoor gardens and greenhouses where they will easily overcome smaller spider mite populations.
	www.wormsway.com /articles/11_04_spidermite.asp (513 words)

	Spider mites (Site not responding. Last check: 2007-10-10)
		Mites inhabit the underside of the leaf and are not readily apparent.
		Mites are found on the underside of the leaves and must be sprayed there.
		Mites must be eliminated before forcing or when they attack plants in the early stages of flowering.
	cannabisculture.com /articles/3109.html (1259 words)

	Bonsai Garden - Home of the Fuchsia Bonsai's (Site not responding. Last check: 2007-10-10)
		A RED SPIDER MITE is only RED at a certain stage of the year, after hibernation and in the springtime.
		There is also another mite who is sometimes found on plants indoors and that is the Carmine Spider mite, but I haven’t seen that one yet, so I don’t know how it develops.
		This is soap and phosphorous solution intended to specifically kill Spider mites and their eggs (as well as most other common pests) with just one spraying.
	www.bonsaigarden.net /ftspidermite.asp (3343 words)

	NCSU: ENT/ort-47 FALSE SPIDER MITES
		False spider mites are flat and orange to red with fl spots and the group is comprised of several different species.
		False spider mite larvae are the size of the eggs and only have six legs at this stage.
		Most false spider mites feed on the lower leaf surface so that the pesticide spray must be directed upwards to contact the mites.
	www.ces.ncsu.edu /depts/ent/notes/O&T/flowers/note47/note47.html (665 words)

	Spider Mites
		Effective against White Fly, Red Spider Mite, Two Spotted Mite, Thrips, Mealy bug, Scale, Adult Leaf Miners, Leaf Hoppers and Aphids (Green and Black Fly).
		Nite Nite Spider Mite is 100% organic and stops spider mites in their tracks, works similarly to Pest Off via suffocating the adults to halt the increase in population.
		BuzzOff keeps away sucking and feeding insects such as spider mites, aphids, and whitefly.
	www.1-hydroponics.co.uk /bugs-pest-control.htm (916 words)

	Neither Fear nor Despise
		A couple of months ago, all of our house plants became infested with spider mites.
		I let somewhere betwen 50 and 100 go indoors at the base of the plants.
		48 hours later they were all gone, and so were the mites.
	www.honan.net /emptyage.php (794 words)

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