Pest Management Strategies Dr. DeMar Taylor
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ARACHNIDA Spiders, Scorpions, Ticks and Mites CRUSTACEA Shrimp, Crabs DIPLOPODA Millipedes CHILOPODA Centipedes HEXAPODA ( Insects
3/4~4/5
ex) etc ex) etc
etc etc WHO International Travel and Health
Mite ( Tick
Mite
Demodectic Mange Mite Sarcoptic Mange Mite
Tick 1. Argasidae Soft Ticks 2. Ixodidae Hard ticks 3. Nuttalliellidae one species
Adult Ixodes ricinus hard ticks Female Male Engorged Female
Hard Ticks
Soft Tick (Argasidae)
Soft Ticks
Babesiosis, Theileriosis Louping Ill, Hemorrhagic Fever, Tick Fever Relasping Fever, Lyme Disease, Tularemia Tick Typhus, Ehrlichiosis, Q-Fever Nematodal infection
Carrier Carrier Sick Sick Sick From: Walker et al. (2003). Tick of Domestic Animals in Africa: a Guide to Identification of Species.. Bioscience Reports, Edinburgh, UK.
2 1. 2.
1. 2.
1. 2. 3. 4. 5.
!
IGR (insect growth regulator) etc.
殺 ダニ 剤 USDA (http://www.ars.usda.gov/is/ar/archive/jun06/ticks0606.htm#_top)
IGR Insect Growth Regulator
1. 2. 3. 4. 5.
ex)
1. 2. 3.
ex) Bt corn
ex
/
Without controls population would saturate environment Conventional controls would require 20 generations to eliminate (b) OR population return if control stopped (a) ----- Sterility method eradicate pest by 5th generation
IPM Integrated Pest Management
IPM Integrated Pest Management
?!
(
(CCD, Colony Collapse Disorder) 1 CCD
Balls of feces carried into the ground by dung beetles. egg Dung burrow Developmental stages of dung beetles in the balls of feces.
A 1,000 ml dung pad reduced to less than 10% in 24 hours.
Beetles+dung Dung only Dung removed before sowing No beetles, no dung
1. 2. 3. 4. 5. 6. 7.
Spider silk etc
Defensins Transmission electron micrographs of tick defensin-treated Micrococcus luteus Control Treated with tick defensin 1 µg /ml
1. 2. 3. 4. 5.