Biological Information:
- Common Name: Tomato Hornworm / Five Spotted Hawk Moth
- Scientific: Manduca quinquemaculata
- Family: Sphingidae
Symptoms and/or signs to watch out for:
- Leaf / fruit damage, droppings on leaves, fruit, ground.
- Damage to plants in the Solanaceae family, usually tomatoes, sometimes
Life cycle:
- Eggs – laid on low foliage, 5-8 days to hatch
- Larva – are green caterpillars, black and white stripes on the sides
- Red and black spine on the rear
- Pupae – worms descend into the soil to pupate
- Adult – adults emerge from the soil in 2 weeks, and deposit eggs in the underside of leaves
Pest vectors:
- Host plants reside in the Solanaceae family
Overwintering Habit:
- Pupa remain in the soil over winter
Horticultural production information:
Preventative Strategies:
- Physical barriers
Threshold Level:
- Respond to pressure when worms begin feeding on fruit or damage too much foliage
Control options:
Physical controls:
- Remay / row covers / high tunnel plastic
Biological controls:
- Marigolds deter the caterpillar
- Predatory wasps
Chemical controls