APHIDS: Description and Activity

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 5 years ago.

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No controls given, refer to AH86-56
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Aphids Comments
APHIDS: Characteristics and Controls They feed on buds and flowers, are common on cymbidiums; winged forms can reinfest continually so systemic insecticides which last a month are preferred; use dimethoate (Cygon), Meta-systox and Temik. AH4; use Malathion, N329; in Florida, two kinds named, seven controls listed, DK10+, S190; use Meta-Systox-R, or Zectran, C73-22; OR74-227; OR74-230 0
APHIDS: Control by "lady Bugs" They will not control an infestation. A74-708 0
APHIDS: Control on Cymbidium Flower Buds If black or brown, spray with Malathion 1 to 1.5 tpg. or, with Cygon 2E at 2 tpg.,; or, Lindane liquid concentrate at 1.5 tpg,; if aphids are green Lindane may be best. A72-534 0
APHIDS: Controls A common aerosol insecticide spray is satisfactory; use Raid and stand back several feet from plants to be most effective; don11 use a commercial insect repellant because they damage buds and flowers. RMH; A85-99Malathion, Diazinon, Cygon, Parathions are used for controls in Hawaii. P69(l)-llOrthene WP is recommended. NZ86-194The easiest and least harmful way to clear buds is to rinse them with a mild solution of dish-washer soap (not detergent); a repeat may be necessary. A87-732; spraying on is easier than rinsing. RMHThe ingress of ants into the greenhouse can best be detected by means of sticky cards made of cardboard, etc., a foot square and painted yellow with the surface covered with Stickem, or simi lar adhesive, place them at strategic points and inspect them daily for signs of crawling or flying pests; can be cleaned with turpentine about monthly and used again. NZ87-65Use Malathion, it does not harm pets. A73-503; use a systemic insecticide. OD122; use Piramor 5gr.:3 gal.... 0
APHIDS: Controls on Cymbidiums and Reed Epidendrums 1 tpg. Malathion spray; on cymbidiums also Cygon 2.67E at 2 ttpg.; perhaps also on epidendrums. A67-498; A74-708 0
APHIDS: Small Soft-bodied Sucking Insects Yellowish, green or black; winged and wingless forms; multiply rapidly and spread thickly; cause puncture wounds on blossoms and distortion of growth; suspected of spreading virus; sometimes tended by ants; spray with malathion or Sevin or pyrethrum. A73-714 0
APHIDS: Toxicity of Controls In increasing degree of toxicity to the user: malathion (LD50=2 oz.) dimethoate and lindane (1/2); and too toxic to be recommended was demeton (8 drops). A68-582 0
APHIDS: Virus Spreaders Aphids, scale and mealybugs spread most viruses increasingly harmful to orchids; aphids are the most active: Aphis gossypi is a spreader of 81 types of virus. A87-105 0

New Topics

  1. Edward Zapata started topic Cymbidium Helen Bannerman in category General Discussion
  2. David Hickman asked question Mystery Orchid in category General Discussion
  3. Tammy Bennett asked question LOOKING to BUY -Phalanopis “Dragon Tree Maple” in category Phalaenopsis
  4. Rae Walker asked question Dendrobium No I’d. HELP! in category Dendrobiums
  5. John Hyatt asked question Deformed growths on BLC King of Taiwan in category Cattleya Alliance

New Comments

  1. Edward Zapata commented on topic "Lady Bug or dangerous bug" by John Small
  2. Wyatt Parker commented on member plant Zygopetalum var. Big Red One by Wyatt Parker
  3. Carol Holdren commented on member plant Renantanda Sunrise 'Prasongs' by Andrew Chan
  4. Carol Holdren commented on topic "Dendrobium No I’d. HELP!" by Rae Walker
  5. Carol Holdren commented on article "CATTLEYAS: Control of Blooming Time" by Robert M. [Bert] Hamilton (Compiler)
  6. Carol Holdren commented on member plant Lc. Nice Holiday 'Suntopia' by William Gorski
  7. Robert H. Findlay commented on topic "Phragmipedium Cape Sunset or Eric Young?" by Darrin Duling
  8. Robert H. Findlay commented on member plant Phrag. Ecuagenera Dream by Robert H. Findlay
  9. Tatjana Opekunova commented on article "CATTLEYAS: Reasons for Non-flowering" by Robert M. [Bert] Hamilton (Compiler)
  10. Carol Holdren commented on topic "Need ID, Please" by Oliver Quin Surco
  11. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D
  12. Debbie Chase commented on topic "Identify This Orchid " by Debbie Chase
  13. Andrew Chan commented on member plant V. Yano Blue var. Ploenpit by Mary Lane
  14. William Gorski commented on member plant Alcra. Tropic Lily 'Hilo Space Ship' by Mary Lane
  15. Osura Mindula Gunasena commented on topic "Help to Identify the Id of this Vanda" by Osura Mindula Gunasena
  16. Renee Hawes commented on member plant Phal. I-Hsin Spot Eagle var. I-Hsin Spot Eagle 'Montclair' AM/AOS 'Ta-Lin Spot x Black Eagle' by Renee Hawes
  17. Renee Hawes commented on member plant Phal. Liu's Berry by Renee Hawes
  18. Renee Hawes commented on member plant Phal. Yushan Christopher var. Harlequin 'Little Panda' by Renee Hawes
  19. Carol Holdren commented on topic "How to repot a Mattie Shave" by Pam Alexander
  20. Frank Cambas commented on member plant Zns. Cynosure var. Blue birds by Ben MG