Ongoing research

Cooperative Extension Ventura County: Page

Aphids on Roses

Many gardeners use the systemic rose food. This product is a combination of fertilizer and an insecticide. The product needs to be applied on the soil around the base of the plant and lightly worked in. As the roses are watered, the fertilizer and insecticide are absorbed by the roots.
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Cooperative Extension Ventura County: Page

Bee Swarm

Bee swarms occur in almost every beehive once a year, usually in the spring. In managed, commercial hives the beekeeper can manipulate and divide the hive to prevent swarming. In every hive there is a time in late winter/early spring when the hive begins to produce new queens.
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Cooperative Extension Ventura County: Page

Black Vine Weevil

Black vine weevil, Otiorhynchus sulcatus, the larvae of this insect feed on the roots and basal stems. Black vine weevils and their young feed on a wide variety of shrubs including privet, euonymous, azaleas, rhododendron, taxus, citrus, and other evergreens.
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Cooperative Extension Ventura County: Page

Black Widow Spider

The Central Coast is a spidery place. Our climate seems to be very congenial to a number of spider species. Most of our spiders are harmless and indeed are beneficial in that they catch and eat a wide variety of insects.
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Cooperative Extension Ventura County: Page

California Laurel Aphid

California laurel aphid is found on the undersurface of the leaves and is a small (a sixteenth of an inch diameter) ball which is gray-white. The aphids tend to line up along the mid-vein and lateral veins of the leaf.
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Cooperative Extension Ventura County: Page

California Prionus Beetle

The California Prionus beetle, Prionus californicus, can be as large as two to two-and-a-half inches. It is uniform dark, reddish brown and has antennae that are about half as long as its body. The adult is attracted to light at night and sounds like a small airplane approaching.
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Cooperative Extension Ventura County: Page

Chinese Wax Scale

Chinese wax scale is an insect that can attack many trees and shrubs. Citrus sp., Schinus sp., Ilex sp., Baccharis sp., Umbellularia sp. and Escallonia sp. plus mayten tree are common hosts on the Central Coast. Both the young and mature scales suck plant sap from their host as food.
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Cooperative Extension Ventura County: Page

Cottony Cushion Scale

The name fairly well describes this insect. Young scales of this species remain mobile until about half-grown. Then they settle down, and the female grows into a white, cushion-shaped mass, which may be surrounded by fuzzy, white strands (cotton).
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Cooperative Extension Ventura County: Page

Cypress Canker

The causal fungus is most active during the rains of late winter and spring. Fungus spores are dispersed and infect the living bark and cambium, progressively killing tissue.
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Cooperative Extension Ventura County: Page

Discouraging Cats

Discouraging cats presents a bit of a dicey situation. It is illegal to kill the neighbors cat. So, a few possible solutions follow. If the cat uses the same area time after time, cover that area with chicken wire, so the cat cannot scratch a hole.
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