Hort 1- Test 6 Pests

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

• carrying diseases from other plants.

• rasping the leaves and sucking sap from the plant.

• piercing the leaves and sucking sap from the plant.

• chewing on the leaves

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

• chewing

• grinding

• multiple

• sucking

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

• sponging

• rasping and sucking.

• chewing

• piercing and 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

• grass hoppers

• thrips

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

• Adult

• larva

• egg

• fly

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 mouth parts?

• Pierce-Sucking

• Chewing

• Siphoning

• Rasping-Sucking

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

• egg

• nymph

• pupa

• adult

Insects can be distinguished from spiders because insects have:

• 2 body sections

• 6 legs

• 8 legs

• no wings

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.

What symptoms does Pam see if her seedlings have a damping-off problem?

• Rusty growth on upper leaf surface of seedlings

• Seedlings rotting off at soil level

• White coating on plant leaves

• Circular black spots on upper leaf surface