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Posts Tagged: sex
Targeting the Asian Citrus Psyllid
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,...
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.
Sex. Passion. And a Butterfly and Passiflora
Sex. Passion. Passionflower vine. And by--what else--the "passion butterflies," Gulf Fritillaries (Agraulis vanillae). We came across the scenario below by accident. We were watching a Western scrub jay (now known as a California scrub jay,...
Gulf Fritillary butterflies (Agraulis vanillae) mating. In the background (at left) is a Gulf Frit caterpillar. (Photo by Kathy Keatley Garvey)
When they're mating, Gulf Fritillaries look like two different spcies. It's an orangish-reddish butterfly with silver-spangled underwings. It is as spectacular as it is showy. (Photo by Kathy Keatley Garvey)
Mating Gulf Fritillary butterflies spreading their wings. (Photo by Kathy Keatley Garvey)
Real Reason for Flowers? It's All About Sex
You could say that noted entomologist/author Stephen Buchmann has a thing for buds, bees, beetles and butterflies...buds that burst into flowers, and bugs that burst into pollinators. The UC Davis-trained entomologist, author of the newly published...
Entomologist Stephen Buchmann talks about the nests of carpenter bees at The Bee Course, an annual summer workshop in Arizona sponsored by the American Museum of Natural History. (Photo courtesy of Robbin Thorp)
Monarch Population in California 'Booming'
If you missed it, you should to listen to what longtime butterfly researcher Art Shapiro, distinguished professor of evolution and ecology at the University of California, Davis, says about California's monarch butterfly population. He's been...
A handful of monarch caterpillars from one narrow-leafed milkweed plant. (Photo by Kathy Keatley Garvey)
Close-up of a monarch chrysalis. (Photo by Kathy Keatley Garvey)
A newly emerged male monarch. (Photo by Kathy Keatley Garvey)
Sex, Food Chains and Cockroaches
American humorist-entertainer Will Rogers said "I never met a man I didn't like." I wonder if he would have said the same thing about insects. Oh, sure, he probably liked--and appreciated--the butterflies, the honey bees and the...
Catherine Chalmers
The Cockroach
