Fall Webworm

What is the wingspan of the adult fall webworm moth?

• 3 to 3 1/2 inches

• 1/2 to 3/4 inches

• 2 to 2 1/2 inches

• 1 to 1 1/4 inches

What color are the larvae of the fall webworm?

• Red and black

• Pale yellow to green

• Orange and black

• Blue and white

How long do the larvae feed and construct webs?

• 2 to 4 weeks

• 4 to 8 weeks

• 8 to 12 weeks

• 1 to 2 weeks

What are the preferred hosts of the fall webworm in the South?

• Elm, ash, and willow

• Oak, maple, and birch

• Persimmon, pecan, and sourwood

• Apple, cherry, and peach

What is the main sign of attack by the fall webworm?

• Small holes in the leaves

• Drooping branches

• Large, silken web and skeletonized leaves

• Yellowing of leaves

How many generations per year does the fall webworm have in the South?

• At least two

• One

• Three

• Four or more

What is the scientific name of the fall webworm?

• Danaus plexippus

• Papilio polyxenes

• Hyphantria cunea

• Agrilus planipennis

What is the color of the eggs before they hatch?

• Blue

• Black

• Red

• Gray

What is used to construct the pupae cocoon?

• Wood chips and bark

• Mud and clay

• Silk, frass, and debris

• Leaves and twigs

What is the primary method of control for the fall webworm?

• Physical removal

• Chemical control

• Biotic agents and unfavorable weather

• Introducing natural predators