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Sunflowers grow as high as an elephant's eye at the California State Fair. (Photo by Kathy Keatley Garvey
Bug Squad: Article

The State Fair: Bees, Butterflies and Sunflowers

July 26, 2013
By Kathy Keatley Garvey
Bees, butterflies and sunflowers at the California State Fair? Yes. The state fair, which opened July 12 and ends July 28, is a good place to see a bee observation hive, honey bees on sunflowers, carpenter bees on petunias, and butterflies in the Insect Pavilion, aka Bug Barn.
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trioza
Topics in Subtropics: Article

Avocado trioza

July 26, 2013
By Mark S Hoddle
Avocado leaves infested with trioza was intercepted in March at the San Diego/Mexico border. Avocado leavers are used to wrap tamales. Trioza infested leaves make a tastier tamale. Introduction Figure 1. Adult Trioza on a Hass avocado leaf.
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Colusa County: Article

August 2013

July 26, 2013
Hope you all had a fabulous summer! 4-H Enrollment Nights, New Leader Orientation Dates, and so much more...
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UC Weed Science (weed control, management, ecology, and minutia): Article

New way to manage weeds in caneberry growing tunnels

July 26, 2013
By Cheryl A Reynolds
Rather than applying herbicides, try a cover crop to prevent weeds in anchor rows. Cover crops in anchor rows can suppress weed growth and additionally help to minimize soil erosion and nutrient and sediment loss when it rains.
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Damselfly, with water mites attached, lands on the leaf of a passion flower vine. (Photo by Kathy Keatley Garvey)

Mighty Mites on a Damselfly

July 25, 2013
By Kathy Keatley Garvey
It pays to have a pond. A pond attracts dragonflies and damselflies. Last weekend, though, we spotted a damselfly a good 65 feet away from our pond. It touched down on our passion flower vine (Passiflora). Lights, camera, action...
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California dogface butterfly is illustrated on the California State Fair monorail. (Photo by Kathy Keatley Garvey)

Ridin' the Rails With a Butterfly

July 24, 2013
By Kathy Keatley Garvey
Quick! What butterfly is depicted on the California State Fair monorail train? Hint: It's the state insect. "What, we have a state insect?" you ask. Yes, and it's the California dogface butterfly (Zerene eurydice).
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Brevipalpus
Topics in Subtropics: Article

Brevipalpus Mites and Citrus Leprosis Virus Disease

July 24, 2013
By Ben A Faber
Brevipalpus mite species belong to a larger group or family of mites the Tenuipalpidae, referred to as flat mites. The genus Brevipalpus is considered the most important one in the family. The mites are small ranging in size from 200-400 micrometers in length, flattened and frequently red in color.
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A cellar spider eyes a honey bee in the catmint (Nepeta). (Photo by Kathy Keatley Garvey)

All Wrapped Up

July 23, 2013
By Kathy Keatley Garvey
Just call it a missed opportunity. Catmint (genus Nepeta) draws scores of insects, from honey bees to leafcutter bees to European wool carder bees. It also draws spiders. We usually see a cellar spider (family Pholcidae) trapping prey in its web.
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