Posts Tagged: CDFA
The title is intriguing: "The Curious Case of the Stingless Bees of Palo Alto." Isn't it illegal...
Martin Hauser of the California Department of Food and Agriculture will speak on stingless bees of Palo Alto at the Pacific Coast Entomological Society meeting on Feb. 27. Here he introduces Madagascar hissing cockroaches to Bohart Museum of Entomology guests on Feb. 15 during the UC Davis Biodiversity Museum Day. (Photo by Kathy Keatley Garvey)
Plebeia sp (Images by Martin Hauser, California Department of Food and Agriculture)
At first glance, they're often mistaken for bees, but bees they are not. They're flies. You've...
A syrphid, also known as a hover fly or flower fly, nectars on a tower of jewels, Echium wildpretii, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A syrphid in flight, heading toward a tropical milkweed, Asclepias curassavica. (Photo by Kathy Keatley Garvey)
A syrphid tucked inside the petals of a rock purslane, Calandrinia grandiflora. (Photo by Kathy Keatley Garvey)
A syrphid hovers over Jupiter's Beard, Centranthus ruber. (Photo by Kathy Keatley Garvey)
Find the green darner. Trying to spot the green darner dragonfly, Anax junius--so named because of...
Green darner dragonfly, Anax junius, in Benicia State Historical Park. (Photo by Kathy Keatley Garvey)
So, here I am, an Asian lady beetle (Harmonia axyridis) perched on a rose bush in Vacaville,...
A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)
Touchdown! The large syrphid fly, Scaeva pyrastri, lands next to the lady beetle.(Photo by Kathy Keatley Garvey)
The syrphid fly licks honeydew from the lady beetle. (Photo by Kathy Keatley Garvey)
Honeydew is a sugar-rich sticky liquid, secreted by aphids and some scale insects as they feed on plant sap. When their mouthpart penetrates the phloem, the sugary, high-pressure liquid is forced out of the anus of the aphid.
Former Smithsonian entomologist Harrison G. Dyar, noted for his research on moths and butterflies,...
Entomologist Marc E. Epstein researched, wrote and published "Moths, Myths and Mosquitoes: The Eccentric Life of Harrison G. Dyar, Jr."