Posts Tagged: USDA-ARS

USDA-ARS Researcher to Give UC Davis Seminar on Beech Leaf Disease

In the spotlight: the newly discovered beech leaf disease caused by the nematode, Litylenchus crenatae mccannii. First found in Ohio in...

Symptoms of beech leaf disease include swelling and darkening of interveinal tissues as well as chlorosis. (Photo courtesy of Paulo Vieira of USDA-ARS, Beltsville, MD.)

Symptoms of beech leaf disease include swelling and darkening of interveinal tissues as well as chlorosis. (Photo courtesy of Paulo Vieira of USDA-ARS, Beltsville, MD.)

USDA-ARS Researcher Targeting Honey Bee Health Decline

If you're interested in the honey bee health decline--and you should be--then you'll want to listen to what research associate Christopher...

A sick bee crawling on a leaf. (Photo by Kathy Keatley Garvey)

A sick bee crawling on a leaf. (Photo by Kathy Keatley Garvey)

How House Flies Are Trading Antibiotic Resistance Genes Among Themselves

If you're curious about house flies and the latest research on antibiotic resistance, you won't want to miss this seminar sponsored by the UC Davis...

A house fly feeding. (Photo courtesy of USDA-ARS)

A house fly feeding. (Photo courtesy of USDA-ARS)

Molecular Biologist Michelle Heck: Challenges of Citrus Greening Disease

If you grow citrus, you've no doubt heard of the invasive pest, Asian citrus psyllid, Diaphorina citri. ACP they call it. A native of...

Asian citrus psyllid nymphs and adults on stem and leaves of a citrus. (USDA-ARS Photo)

Asian citrus psyllid nymphs and adults on stem and leaves of a citrus. (USDA-ARS Photo)

Research Entomologist to Discuss Enemy of Lettuce: Thrips

They're small, about 1 mm long or less, with characteristic fringed wings. They fly, but not well. But thrips do pack a powerful...

Thrips is a major pest of lettuce production in Salinas. (Illustration courtesy of Daniel Hasegawa)

Thrips is a major pest of lettuce production in Salinas. (Illustration courtesy of Daniel Hasegawa)

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