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GIANNANGELO FARMS SOUTHWEST
AVANT-GARDENING: CREATIVE ORGANIC GARDENING
This page is "in progress" more information will be added soon
ORGANIC CONTROL FOR BEETLES, CATEPILLARS, AND GRASSHOPPERS
BEETLES
These are hard-shelled insects with chewing mouthparts. Adults and larvae feed on leaves and fruits. Larvae (grub stage) of some like Japanese or cucumber beetles, feed on plant roots, which can kill the plant.
COLORADO POTATO BEETLE
Found on the leaves of vegetables, especially eggplant, potato, and some flowers.
CONTROLS INCLUDE
BACILLUS THURINGIENSIS - Bt (a naturally occurring bacterial disease of insects) will kill them in the larvae stage.
ORGANIC NEEM OIL - a brown liquid with garlic odor - used as a fungicide/insecticide/miticide with a toxicity to fish and invertebrates. It is best used in the evening to protect beneficial insects.
INTERCROPPING AND COMPANION PLANTING
ROTONONE-PYRETHRIN SPRAYS OR POWDERS which also have a toxicity to fish and invertebrates, and should be used in the evening to protect beneficial insects
HANDPICKING INSECTS OFF THE PLANTS
COVERING CROPS WITH FLOATING ROW COVERS
CUCUMBER BEETLE
Found on leaves, flowers, and roots of many vegetables including the cucumber family
CONTROLS INCLUDE
ROTONONE-PYRETHRIN SPRAYS OR POWDERS which also have a toxicity to fish and invertebrates, and should be used in the evening to protect beneficial insects
COVERING CROPS WITH FLOATING ROW COVERS
FLEA BEETLE
These are tiny hopping black beetles that chew holes in plant leaves, and can spread diseases such as early blight to potatoes or bacterial wilt to corn. Larvae feed on the plant roots. In the southwest after a rain during the hot summer months, we have seen puddles of them, a black mass huddling and moving with a wave like motion.
CONTROLS INCLUDE
ROTONONE will kill the adult beetles by dusting on the plants, but taking care around fish and invertebrates, and using it in the evening to protect beneficial insects.
INSECTICIDAL SOAP can be sprayed on the leaves to deter them.
KEEPING THE GARDEN CLEANED up and removing any dead plant debris
JAPANESE BEETLE
Adults feed on ornamental and edible crops, chewing leaf tissue between the veins leaving a lacy skeleton. Before they pupating, they are 1-inch-long, white, c-shaped grubs living in the soil and feeding on roots and they are often a problem in lawns.
CONTROLS INCLUDE
NEEM OIL will deter adult beetles by spraying plants, but taking care around fish and invertebrates, and using it in the evening to protect beneficial insects.
PARASITIC NEMATODES can be sprayed on lawns and garden beds for grub control
HAND PICKING and dropping them into a bucket of soapy water.
COVERING CROPS WITH FLOATING ROW COVERS
MEXICAN BEAN BEETLE
These are related to ladybugs but are not beneficial. The adults have sixteen black spots on their back and the Larvae are fat, spiny yellow grubs 1/3 inch long. Both feed on foliage, leaving plant leaves a skeleton of veins. Adults overwinter on plant leaves, in late spring or early summer lay clusters of yellow eggs on the undersides of leaves, and there can be one to four generations a year depending on different climates.
CONTROLS INCLUDE
PONDS will encourage toads, frogs, and birds.
SPINED SOLDIER BUGS are the general predator.
NEEM OIL will deter adult beetles by spraying plants, but taking care around fish and invertebrates, and using it in the evening to protect beneficial insects.
INSECTICIDAL SOAP AND OILS can be sprayed on the leaves.
PEDIO WASPS (Pediobius faveolatus) will parasitize adult mexican bean beetles
HAND PICKING and dropping them into a bucket of soapy water
PLANTING RESISTENT varieties of beans
COVERING CROPS WITH FLOATING ROW COVERS
KEEPING THE GARDEN CLEANED up and removing any dead plant debris
For more information on beetles go to Goliathus.com
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CATEPILLARS
TOMATO HORNWORM
A big fat green caterpillar that can grow up to 5 inches long, and feeds on leaves and fruits of eggplants, tomatoes, peppers, and potatoes for about a month and then enter the soil to pupate.
Adults emerge as beautiful sphinx moths that are grayish-brown with orange spots on the body, a long probiscus, with a 4- to 5-inch wing span. They are amazing and sound like hummingbirds. They overwinter in the soil as brown spindle-shaped pupal cases, and emerge in late spring to early summer feeding like hummingbirds on plant flowers and then laying greenish-yellow eggs on the undersides of leaves.
CONTROLS INCLUDE
BACILLUS THURINGIENSIS - a biological powder that can be applied at the caterpillar stage, Bt (a naturally occurring bacterial disease of insects) will kill them when the are very small.
HAND PICKING is the best way when the caterpillars are large. Feed them to your chickens or geese. The hornworms are easy to spot (leaves will have huge bites out of them and nearby you will find a hornworm) and pick them off
For more information on caterpillars go to What's This North American Caterpillar?
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Home Page  Sitemap Botany Basics "You Can Grow!" Workshops Composting Soil Building
Hardiness Zone Map WebRings "You Can Grow" CD's "Avant-Gardening Tid-Bytes" Insights
Biodiversity and Genetic Engineering New Mexico Companion and Intensive Planting Permaculture
Labyrinths Free E-Letter Xeriscape Photo Tour I Photo Tour II Photo Tour III Photo Tour IV
About Us Creative Garden Design The Greenzbox Recommend This Site Resources & Links
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