Posts Tagged: navel orangeworm

Aw, Nuts!

Walnuts are packed with vitamins, minerals and antioxidants, right? Right. And sometimes a little protein. Protein, as in larvae. That's not a welcome sight. Sometimes you'll find two or three navel orangeworm (NOW) larvae inside a single walnut,...

Larvae Inside Walnut

LARVAE INSIDE WALNUT--This fallen walnut contained three larvae. (Photo by Kathy Keatley Garvey)

In a Nutshell

IN A NUTSHELL!--Close-up of larva inside a walnut. You can tell if it's a navel orangeworm (NOW) if it has a crescent-shaped marking on the sides of the second segment behind the head, says UC Davis entomologist Frank Zalom. Often, with NOW, there are two or more larvae inside a single nut. (Photo by Kathy Keatley Garvey)

Penchant for Pistachios Leads to Startling Find

Chemical ecologists at the University of California, Davis, are changing their navel-orangeworm research direction after an elementary school student’s science project found that the major agricultural pest prefers pistachios over almonds and...

Navel Orangeworm

PISTACHIO LOVER--This navel orangeworm showed a preference for pistachios. (Photo by Kathy Keatley Garvey)

Young scientist Gabriel Leal

YOUNG SCIENTIST--Eleven-year-old Gabriel Leal of Davis works on his science project in which he found that the navel orangeworm prefers pistachios over almonds and walnuts. (Photo by Kathy Keatley Garvey)

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