The Orchid Doctor Articles under the Heading Mites, Two-spotted

Mites, Two-spotted Comments
MITES, TWO-SPOTTED: Biological Controls Predatory mites are available to combat them, in Australia two kinds are used called Typhlordromus occidentalis and Phytosemilus persimilis and are found in most cymbidium ranges. Au87(1)-13 0
MITES, TWO-SPOTTED: Characteristics and Control Tetranychus urticae is pale greenish or yellowish with a dark spot on each side; spun webbing on underside of leaves is apparent in heavy infestations; is large enough to be seen by the naked eye; a principal pest of cymbidiums; spray seven to 10 days apart with Kelthane, Tedion, Pentac Temik granules; or use Dithio or Tedion-Dithio smokes. A73-714; AH3 0
MITES, TWO-SPOTTED: Characteristics and Controls They are pale green or yellow with a dark spot on each side on the back; webs appear when the mites are numerous; control them with registered miticides for your area such as Azodrin, Kelthane, Metasystox 251 EC. AH86-62 0
MITES, TWO-SPOTTED: Controls More harm is likely to be done to plants by the use of liquid formulations than by the wettable powder types. NZ86-103 0
MITES, TWO-SPOTTED: Spider, or Red Spider Mite They may be green, orange, pale yellow or red; the stippling is either whitish or brownish; damage is done on the underside of the leaves, with puncture wounds; sometimes the wounds acquire a watery surround; can cause cupping to the flower when they attack and enter the opening bud sheath and bud; cause raised, warty lumps or bumps on the flowers after attack the buds earlier; they thrive under dry conditions; whitish webs are evidence; use Dimite, Kelthane as miticides. A73-714 0
MITES, TWO-SPOTTED: The Life Cycle As temperature rises in the summer above 50 dF, the incubation period is reduced from 21 days at 60 dF to 6 days at 90 dF and their numbers increase in geometric proportion; use Kelthane (if you can get it) start applying it early and heavily every three days for six to eight times (it1s that bad) especially to the underside of each leaf. A83-1075 0

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