MITES, FALSE SPIDER: A Sinister Creature

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

Article Blog   Article Index
The damage caused on different plants; the difficulty of locating and identifying it with a 10X lens; the similarity of its damage to those caused by other harmful agents; its appearance,etc.; Kelthane and Diazinon recommended as controls. A82-928
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Mites, False Spider

Mites, False Spider Comments
MITES, FALSE SPIDER: A Most Destructive Pest Smaller than the two-spotted mite, does not spin webs; not visible to the naked eye; reddish in color; cast white skins often present in great numbers is sign of -their presence; common ones are,Phalaenopsis mite, Privet mite; their feeding produces ye 1low spots which become sunken pits and scars which turn white or brown on both leaf surfaces; fleshy plants are most sensitive; use Dimite (best), Kelthane, chlorobenzilate, all of which can be mixed with Malathion or Sevin. A73-715; A73-812+(illus.) 0
MITES, FALSE SPIDER: Characteristics and Controls They are barely visible; do not spin webs; Tenuipalpus pacificus; Brevipalpus australis, B.oncidii, B.obovatus; they cause discolored flecks and depressions; use Kelthane, or Diazinon sprays,,or Temik granules; apply twice seven to 10 days apart. AH4 0
MITES, FALSE SPIDER: Controls Most vicious and destructive of pests; too small to be seen even with a magnifying glass unless it's a 10X, 14X lens; phalaenopsis mite (Tenuipalpus pacificus) attacks ferns and orchids; they do not spin webs; feed on both sides of leaves; Malathion may kill mites, but not the False spider mites; control with Kelthane, Dimite, etc. N327; OD70-155; OD71-167 0
MITES, FALSE SPIDER: How They Become a Problem Infestations are usually an indication of bad cultural practices because they normally thrive under high light and dryness. A85-397 0
MITES, FALSE SPIDER, PHALAENOPSIS: Characteristics and Controls A false spider mite, it does not spin webs; a pest in southern states of the U.S. and some European areas; causes dark spots on the leaves which induce necrosis and loss of tissue; Azodrin, Metasystox and Kelthane were, or are registered for use. AH86-59;62 0
MITES, FALSE SPIDER: Spraying with Kelthane as Control Believed to have stunted some phalaenopsis plants; two tpg. could not cause the injury; perhaps three tpg. might do so,but unlikely; cause not certain. A74-792 use liquid 1 tpg.or powder 1.5-2 ttpg. OWD. 0
MITES, PHALAENOPSIS: Characteristics and Damage Tenuipalpas pacificus causes purplish discoloration to the bottom of leaves; the green fades and yellowing occurs; or first indication can be deep pits or sunken areas and slight olive-colored or rusty discoloration; sometimes found only on basal portions of leaves; frequently found on upper sides; many genera of plants can be infected; col.illus. OD68-202+; OR74-232 0

New Topics

  1. William Gorski asked question Dendrobium Identification in category General Discussion
  2. Darrin Duling asked question Stenocoryne x Bifrenaria = Grex name? in category General Discussion
  3. Charles Vella started topic Orchid list Cold/Warm in category General Discussion
  4. Jan E Teitsworth asked question Can anyone identify this orchid? in category Oncidium Alliance
  5. Marianna Hynson asked question Need Help Identifying this Orchid in category General Discussion

New Comments

  1. Charles Vella commented on topic "Orchid list Cold/Warm" by Charles Vella
  2. Sandi Block-Brezner commented on topic "Brassocattleya hybrid?" by Sandi Block-Brezner
  3. Robert H. Findlay commented on topic "looking for info about an unregistered cattleya" by bob lewis
  4. james Hu commented on orchid Den. vannouhuysii
  5. Chase Hubbard commented on member plant Hknsa. Sogo Doll by Tom Kuligowski
  6. Colin Campbell commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  7. Sharie Heckaman commented on member plant NEW HYBRID (Lc. Cornelia 'Floralia' x Lc. Moonlight Dream 'SVO Moonlight Kiss' AM/AOS) var. Compact by Vickie Seibert
  8. Carol Holdren commented on member plant Lc. Memory of PienPien Wei by Robert Rand
  9. Robert Rand commented on member plant Bc. Yellow Bird by John Small
  10. Sharie Heckaman commented on member plant Btcm. Hwuluduen Chameleon by Diana Sammy
  11. Sharie Heckaman commented on member plant (C. Leoloddiglossa var. coerulea 'SVO Baby Blue' x C.Interglossa aquinii var. coerulea 'SVO') 'SVO' by Joshua J Peterson
  12. Sandi Block-Brezner commented on topic "Need Help Identifying this Orchid" by Marianna Hynson
  13. Sandi Block-Brezner commented on member plant Bsn. Maikai var. Louise by Sandi Block-Brezner
  14. Vickie Seibert commented on member plant Phal. Ember 'Carmela' by Vickie Seibert
  15. John Small commented on member plant B. nodosa ''H&R' 4N x 'Mas Mejor'' by John Small
  16. Robert H. Findlay commented on topic "Parentage of RLC Memoria Emma Chen" by Dean Haas
  17. Dean Haas commented on article "Have Local Orchids to Sell or Trade?" by Sys Admin
  18. Eileen Pryor commented on member plant Den. chrysotoxum by Tom Kuligowski
  19. Gustavo da Silva commented on member plant Max. callichroma by Gustavo da Silva
  20. Peter Goodin commented on topic "What is this?" by John Small