Horticulture 1 Unit 9 Pest Management

Melanie finds aphids on her plant. She is most concerned the aphids will damage her plants by:

• chewing.

• piercing and sucking.

• rasping and sucking.

• sponging.

Joey knows butterflies cause little or no damage to his plants. The basis for his opinion is most likely because butterflies have what type of mouthparts?

• Chewing

• Piercing-sucking

• Rasping-sucking

• Siphoning

When insects are worms or caterpillars, what is their stage of development?

• Adult

• egg

• fly

• larva

Jana finds insects on her bedding plants. She knows they are insects because of their:

• single body region and eight legs.

• multiple body regions and hundred legs.

• three body regions and six legs.

• four body regions and twenty legs.

Insects can be distinguished from spiders because insects have:

• 2 body sections.

• 6 legs.

• 8 legs.

• no wings.

Which stage of development is most likely missing when an insect goes through incomplete metamorphosis?

• egg

• nymph

• pupa

• adult

Insects with toothed jaws that bite and tear their food have what type of mouth parts?

• chewing

• grinding

• multiple

• sucking

Marcel notices that the leaves of his bedding plants have been damaged by chewing insects. Which insects are most likely responsible for the damage?

• Aphids

• Butterflies

• Grasshoppers

• Thrips

A sponging-type insect most likely damages a plant by:

• carrying diseases from other plants.

• chewing on the leaves.

• piercing the leaves and sucking sap from the plant.

• rasping the leaves and sucking sap from the plant.

Viral, fungal, and bacterial describe the origin for types of:

• diseases.

• germination.

• pollination

• plants.