Agriculture

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azolla blob
Topics in Subtropics: Article

Azolla in the Reservoir?

July 14, 2023
By Ben A Faber
There have been several recent questions about dealing with a plant floating in reservoirs. Here's Weed Scientist Emeritus Roncoroni's response to them. Pacific Mosquitofern, (Azolla filculoides) often referred to as Azolla, is native to California.
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In this 2017 archived photo, Jerry Powell (seated at microscope) talks to colleagues at a Lepidopterist Society meeting at the Bohart Museum of Entomology. From left are entomologist Max Klepikov of Berkeley; UC Davis distinguished professor Don Strong of the Department of Evolution and Ecology; and Eric Lopresti, then a UC Davis graduate student. (Photo by Kathy Keatley Garvey)
Entomology & Nematology News: Article

Bohart Open House, 'Night at Museum,' Dedicated to Jerry Powell, 1933-2023

July 13, 2023
By Kathy Keatley Garvey
The Bohart Museum of Entomology will dedicate its open house, Night at the Museum (formerly known as Moth Night) to the late Jerry Powell, longtime director of the Essig Museum Entomology of UC Berkeley, and an international authority on moths. He died July 8 in Berkeley at age 90.
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In this 2017 archived photo, Jerry Powell (seated at microscope) talks to colleagues at a Lepidopterist Society meeting at the Bohart Museum of Entomology. From left are entomologist Max Klepikov of Berkeley; UC Davis distinguished professor Don Strong of the Department of Evolution and Ecology; and Eric Lopresti, then a UC Davis graduate student. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Bohart Museum to Dedicate Open House to Jerry Powell

July 12, 2023
By Kathy Keatley Garvey
When the Bohart Museum of Entomology of UC Davis hosts a Night at the Museum (formerly known as Moth Night) it will be dedicated to the late Jerry Powell, longtime director of the Essig Museum Entomology, UC Berkeley, and an international authority on moths. He died July 8 in Berkeley at age 90.
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sunblotch symptoms
Topics in Subtropics: Article

Avocado Sunblotch

July 12, 2023
By Ben A Faber
Unlike other plants, avocado (Persea americana Mill.), is not a host for very many viral diseases.
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Internationally recognized moth expert Jerry Powell sorting and identifying insects on Dec. 7, 2013 at the Bohart Museum of Entomology.
Entomology & Nematology News: Article

Jerry Powell, 1933-2023

July 11, 2023
By Kathy Keatley Garvey
Professor Jerry Alan Powell, an international authority on Lepidoptera and a longtime director of the Essig Museum of Entomology, UC Berkeley, died July 8 in Berkeley at age 90.
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agave mites
Topics in Subtropics: Article

Agave Mite

July 10, 2023
By Ben A Faber
Implications for tequila growers Agave are a common sight in Southern California and are frequently used in landscaping for homes, businesses, and in public spaces. You've almost certainly seen agave growing in your neighborhood and may even have some growing yourself.
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