Garden Pests
Corn Earworm
Description of Insect: adults are moths black to brown dark brownish or
blackish , green colored caterpillars white round egg mass laid underside of leaves
Description of Damage: caterpillar feed on leaves leaving holes eats
seedlings, feeds at night, chews corn tassels, eats corn kernels spreads viruses
Attacks: corn ears, tomatoes, vegetable crops, eggplant, okra, sunflower,
some fruits
- Trap Crops: alfalfa,
cotton, tobacco crops
Organic Controls:
- Handpicking caterpillars (if small white cocoons on caterpillars, they are being
parasited by braconid wasp).
- Beneficials
- Crush egg shells place around plant, or provide a black mulch around plants.
- Destroy infested plant parts.
- Plant resistant varieties. Best are heirloom.
- Crop rotation plant early or later
- Reduce food supply by controlling weeds
- Raise energy level of plants by increasing available minerals and sugars to plant.
- Increase other predators such as bird by installing a bird bath or bats, bat house.
- Safe Botanicals:
Cayenne Pepper (Tabasco sauce) spray
Garlic spray or planted next to.
Pyrethrum mixed with molasses spray
Dr. Bronners Peppermint soap spray
Garden Grade DE dusted or sprayed
BT/Berliner-Kurstakimixed with molasses, lethal Wettable BT Powder sprayed
other Natural Barriers dusted
- Pheromone traps
A sample formula for spraying:
- in a quart water filled near to top add: 5 drops Tabasco sauce 1 drop Dr.
Bronners peppermint soap or use any natural soap such as Jungle Rain. 2 drops garlic oil or crushed
or bought
- spray on leaves and directly on bug. test for strength to avoid damage to plants.
Pyrethrum can be sprayed around the plants. Avoid beneficials, be pest specific
A good dust mixture is:
- 1 part Organic Pyrethrum
- 1 part Garden Grade DE
- 1 part Organic Alfalfa meal
- 1 part Rock dust
- 1/8 part Organic Cayenne Pepper
Can be dusted around plants and under leaves,
Don't water for 24 hrs
Avoid spraying Beneficials,
Be pest specific
A NOTE ABOUT SOAP:
- Do not use soaps that are chemically made or that have strange chemical additives or
preservatives. Instead use only natural soap, either citrus or peppermint or try herbal
soaps. Use only a very small amount of soap and use only when necessary. for more
information on soap
Natural Predators
- Predatory Nematodes Dr. Pye's Scanmask 7 Million Live Beneficial Nematodes
- Parasitic Wasps
- Syrphid Fly
- Lacewings larvae
- Trichogramma Wasps
- Spinned Solider bug
- Lady Beetles
- Round Beetles
- Spiders Pirate bugs
- Need more help?
- Important! Key into the health of the soil. Soil with high levels of minerals are
less prone to grow plants that are attacked.
- If you have a question or comment
Please leave email.
- You can call me see
The Invisible Gardener
Last Update: 12/18/2012
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garden pests
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