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Posts Tagged: Walter Leal

Targeting the Asian Citrus Psyllid

The Asian Citrus Psyllid Team:  Scientists in the front row (from left) are Tatiana Mulinari, Rodrigo Magnani, Antonio Juliano Ayres, Walter Leal, Marcelo Miranda, Victoria Esperanca, Odimar Zanardi, and Rejane Luvizotto. The three scientists in back are Haroldo X. L. Volpe (white shirt) Renato de Freitas and  Rômulo Carvalho.

A major citrus pest may experience a “Bah, Humbug!” kind of year. If all goes as planned, UC Davis chemical ecologist Walter Leal's discovery of the sex pheromone of the Asian citrus psyllid--which spreads the deadly citrus greening disease,...

Davis Teen: How Those Pesky Mosquitoes Led to a Scientific Publication

Researcher and lead author Helena Leal, 17, a scholar at Davis High School, injects a sample of odorants trapped in a solid phase micro-extraction syringe intothe gas chromatography–mass spectrometry (GC-MS) in the Walter Leal lab at UC Davis. In back  are chemical ecologist Walter Leal (right) and UC Davis student researcher Kaiming Tan. (Photo by Kathy Keatley Garvey)

Listen to ABC Channel 10 News, broadcast Dec. 22Seventeen-year-old Helena Leal doesn't like mosquitoes, but they like her. “I always get bitten by mosquitoes more often than my family and friends,” says the Davis High School senior. “I...

Ground-Breaking Research: Sex Pheromone of Asian Citrus Psyllid Discovered

This is the Asian citrus psyllid, a mottled brown insect about 3 to 4 millimeters long, or about the size of an aphid. Widespread throughout Southern California, it is now found in 26 of the state's 58 counties. (CDFA Photo)

The Asian citrus psyllid, the most devastating threat to the worldwide citrus industry, may have met its match. In a ground-breaking discovery encompassing six years of research, an international team of scientists led by UC Davis chemical ecologist...

Bodil Cass and 'The Curious Case of Katydids in California Citrus'

Postdoctoral researcher Bodil Cass will speak on

What an interesting and innovative title: "The Ecoinformatics and the Curious Case of Katydids in California Citrus." That's what postdoctoral scholar Bodil Cass of the Jay Rosenheim lab, University of California, Davis, will discuss at her seminar from...

Posted on Tuesday, October 24, 2017 at 3:22 PM

UC Davis Researcher: What Repellents and Doses Are Best to Prevent Zika Virus

Working on zika-virus research are UC Davis chemical ecologist Walter Leal (foreground) and colleagues and co-authors Rosangela Barbosa (center) and graduate student Gabriel Faierstein of FIOCRUZ-PE, Recife, Brazil.

If you're traveling to—or living in--a Zika virus-infested area, it's far better to use DEET rather than Picaridin and to use higher, rather than lower, doses of DEET because lower doses do not work well with older mosquitoes, newly published...

Posted on Thursday, February 16, 2017 at 2:00 AM

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