Category 1B insect management Iowa
Pesticide
border corn rows have ragged leaves in june - correct answer-stalk borers
change in shape, form, and size during a pest's life - correct answer-metamorphosis
characteristics which are important for identification - correct answer-order of the pest,
special characteristics of the mouth, legs & antennae & life cycle of the pest
chemical control of insects that have a complete life cycle should normally be aimed at -
correct answer-the larva stage
chemical control of insects that have an incomplete life cycle should be aimed at the ____
stage - correct answer-nymph
complete metamorphosis - correct answer-4 stages: egg, larva, pupa, adult
components of IPM - correct answer-correct identification of pest, accurate monitoring &
measurement of the population, economic assessment of the damage & selection of
environmentally sound management tactics
economic injury level (EIL) - correct answer-the density of the pest population at which the
cost of control equals the amount of crop loss caused by the pest (# of insects that can be
tolerated w/o economic loss)
Economic Threshold (ET) - correct answer-
frosted tips of alfalfa - correct answer-alfalfa weevils
goosenecked corn plants - correct answer-corn rootworms
gradual metamorphosis - correct answer-insect hatches from the eggs & looks like a
miniature copy of the adult (grasshoppers, cockroaches, aphids)
increases the potential for non-target crop injury - correct answer-aerial application
insect damage can occur when insect ____ coincides w/ crop growth - correct
answer-activity
Integrated Pest Management (IPM) - correct answer-information-intensive, decision-making
process that identifies & reduces risks from pests & pest management strategies
is cutworm damage more likely in a low-poorly drained area, or high-well drained area? -
correct answer-low-poorly drained
Pesticide
border corn rows have ragged leaves in june - correct answer-stalk borers
change in shape, form, and size during a pest's life - correct answer-metamorphosis
characteristics which are important for identification - correct answer-order of the pest,
special characteristics of the mouth, legs & antennae & life cycle of the pest
chemical control of insects that have a complete life cycle should normally be aimed at -
correct answer-the larva stage
chemical control of insects that have an incomplete life cycle should be aimed at the ____
stage - correct answer-nymph
complete metamorphosis - correct answer-4 stages: egg, larva, pupa, adult
components of IPM - correct answer-correct identification of pest, accurate monitoring &
measurement of the population, economic assessment of the damage & selection of
environmentally sound management tactics
economic injury level (EIL) - correct answer-the density of the pest population at which the
cost of control equals the amount of crop loss caused by the pest (# of insects that can be
tolerated w/o economic loss)
Economic Threshold (ET) - correct answer-
frosted tips of alfalfa - correct answer-alfalfa weevils
goosenecked corn plants - correct answer-corn rootworms
gradual metamorphosis - correct answer-insect hatches from the eggs & looks like a
miniature copy of the adult (grasshoppers, cockroaches, aphids)
increases the potential for non-target crop injury - correct answer-aerial application
insect damage can occur when insect ____ coincides w/ crop growth - correct
answer-activity
Integrated Pest Management (IPM) - correct answer-information-intensive, decision-making
process that identifies & reduces risks from pests & pest management strategies
is cutworm damage more likely in a low-poorly drained area, or high-well drained area? -
correct answer-low-poorly drained
