Insect Pest Management

1
Insect Pest Management

• October 10th and 11th

2
Insect Pests and Vegetables

• Josh Freeman

3
Whats a Pest

• Anything that gets in our way or competes for
  resources with humans
• Insects, weeds, diseases, animals

4
Bugs

• Mostly insects Six legs, 3 body segments, 2
  antennae, 2 sets of wings
• Worms (caterpillars) immature insects
• Grubs immature insects
• Mites 8 legs, closer to spiders

5
Damage

• Direct vs. Indirect
• Direct feeding on the harvestable or edible
  portions of the plant
• Indirect feeding on the plant that may or may
  not effect the harvestable or edible portions
• Root feeding
• Leaf feeding

6
Importance of Insects in Vegetables

• Why are insects so important in fruits and
  vegetables?

7
Thats Why
8
Cosmetics !!!!
9
Problematic Insects

• Moths and butterflies worms (caterpillars)
• True bugs stinkbugs
• Beetles
• Grasshoppers
• Flies

10
Worms

• Can cause damage in a direct or indirect manner
• Chewing mouthparts
• Single or groups
• Size range from finger nail to finger

11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
True bugs

• Stink bugs, plant bugs
• Can cause direct and indirect damage
• Piercing sucking mouthparts
• Usually in groups
• From dime to quarter size

15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
Grasshoppers

• Chewing mouthparts
• Usually single but can be in groups
• About thumb-sized

24
(No Transcript)
25
(No Transcript)
26
Beetles

• Damage can be direct or indirect
• Can cause damage in adult or immature form
• Chewing mouthparts
• About the size of a fingernail

27
(No Transcript)
28
(No Transcript)
29
Thrips

• Small flying insects
• Cause direct and indirect damage
• Piercing mouthparts
• About as wide as an eyelash

30
(No Transcript)
31
(No Transcript)
32
Flies

• Not frequently a problem
• Immature stages cause problems
• Look like maggots
• About the size of a fingernail

33
(No Transcript)
34
Mites

• Direct and indirect damage
• Piercing mouthparts
• Pinhead size or smaller

35
(No Transcript)
36
(No Transcript)
37
Control Measures

• There arent many
• Limited space
• Limited economic impact
• Limited economic input
• Hand picking
• Resistant varieties
• Biological control
• Pesticides