Companion planting is a concept that calls for planting two kinds of plants in a bed to discourage insects from attacking one of the two. The most common example is planting marigolds in the vegetable garden. Certain soil loving nematodes attack the roots of vegetables; marigold roots secrete a substance that kills the nematodes. To be effective, they must be planted in thick rows throughout the bed.
Thrips scrape openings in plant tissue to feed on plant juices and lay their eggs inside. These minute cuts cause silvery flecks on foliage and silver or brown blemishes on flowers and buds. They chew and suck plants vigorously scraping away the chlorophyl on leaves where they feed. Thrips look … Read More
These bugs are diamond shaped, dark brown or black, 1/2″ in size. They hide on the underside of leaves. When they are caught and crushed they emit a foul odor. Squash bugs feed on cucumber, melon, pumpkin and squash. They suck plant juices from the leaves which will show spots … Read More
Snails have shells, they travel by extending the length of their bodies along a patch of slippery, silvery slime. They eat any and all garden plants leaving large ragged holes in leaves. They feed at night or on overcast or rainy days, hiding under cover when the sun shines. Eliminate … Read More
Colorado potato beetles are bright yellow with 5 bold brown stripes along the length of its body. Found in southwestern states, they are a pest of potato crops as well as tomatoes, eggplant, and peppers. They become active in May and will lay eggs as soon as a host plant … Read More
Oak moths cause visible damage to oak trees through the west. They are tan or gray with a 1″ wingspan and noticeable veining on their wings. They are attracted only to oak trees, chewing leaves, making holes, and eventually defoliating branches. Infestations cannot be prevented. Kill larger caterpillars by spraying … Read More
Leaf rollers are caterpillars that feed on leaves, shoots, and fruit. Larvae roll themselves up inside leaves, sometimes spinning a web to join fruit and leaves together. Other pests and fungal rots later enter the holes that leaf rollers chew in fruit. Treatment: Thuricide
Lacewings are 1/2 inch in length, a delicate green color, and have transparent wings. They feed on plant nectar and pollen. Lacewings consume many garden pests such as aphids, mealybugs, scale, leafhopper nymphs, whiteflies, small caterpillars and spider mites, making them a beneficial garden insect. The larva looks somethng like … Read More
These insects are shiny black. They can fly, but prefer to crawl. Beetles live in burrows in the soil, emerging to hunt and feed at night on other insects, caterpillars, soil maggots and grubs. Some larger species eat snails and slugs. They do not damage plants. No prevention is needed.
These 1/2″ long winged insects with enlarged hind legs can be brown, green or yellow. Although they chew grass, they are usually not a problem, but in large numbers can strip plants right to the ground. They can be controlled with insecticide.
Crickets are nocturnal insects, smaller than grasshoppers, which develop underground for 2-4 years. Male crickets chirp in a high pitch tone. Crickets lay eggs in the soil and in plant stems, causing serious damage to plants. Use a granular treatment of `Kill A Bug` if treating in a garden or … Read More
Repellants that contain the urine of that particular animal’s predator, gopher traps placed in their major tunnels or constructed raised beds that are completely lined with wire are all remedies for animals that are damaging your plants. For rabbits, install cages over low growing beds. For birds, to protect fruit … Read More