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LinkedInPosts Tagged: Ian Grettenberger
Visitors Marvel at Tadpole Shrimp at Bohart Museum Open House
They marveled at the tadpole shrimp. They crafted tadpole shrimp-themed hats and puppets using paper plates and googly eyes. And they asked questions. Lots of questions. It was all part of the UC Davis Bohart Museum of Entomology open house, themed "Bugs in Ag: What Is Eating Our Crops...
Cooperative Extension specialist Ian Grettenberger (far right) of the UC Davis Department of Entomology and Nematology leans over to talk to a visitor. In back are postdoctoral fellow Buddi Achhami (right) of the Grettenberger lab and UC Davis undergraduate student Omri Livneh. (Photo by Kathy Keatley Garvey)
Visitors examine a Grettenberger lab display at the Bohart Museum open house. In the foreground is postdoctoral fellow Buddhi Achhami of the Grettenberger lab. (Photo by Kathy Keatley Garvey)
The arts and crafts table at the Bohart Museum featured making tadpole shrimp-themed hats and puppets. At the far left is Tabatha Yang, education and outreach coordinator. (Photo by Kathy Keatley Garvey)
Entomologist Jeff Smith, curator of the Lepidoptera collection at the Bohart Museum, shows a display to Riley Laurel, 6, of Vacaville. (Photo by Kathy Keatley Garvey)
The tadpole shrimp is neither a tadpole nor a shrimp. It's a crustacean that's a pest of rice. (Photo by Kathy Keatley Garvey)
Two stick insects rest on the hand of Bohart lab assistant Brennen Dyer. (Photo by Kathy Keatley Garvey)
Ten Facts You May Not Know About Tadpole Shrimp
How much do you know about tadpole shrimp? First, they're neither tadpoles nor shrimp. Second, they're crustaceans and are pests of rice. Tadpole shrimp will be one of the topics that Cooperative Extension specialist Ian Grettenberger, an agricultural entomologist, will...
Ag Pests, Spiders, and California Dogface Butterflies Stealing the Spotlights
Want to learn more about those insect pests that ravage our crops? Curious about spiders and their ecological roles? Ever heard of the California dogface butterfly, which the California State Legislature designated at the state insect 50 years ago? You're in luck. The Bohart...
A lady beetle, aka ladybug, devouring oleander aphids. (Photo by Kathy Keatley Garvey)
A crab spider devours a lygus bug, an agricultural pest. (Photo by Kathy Keatley Garvey)
Ever Seen an Aphid Giving Birth?
You know those dratted aphids, those little pests that suck the very lifeblood out of your prized plants? Well, have you ever watched them give birth? They do, you know. Live births. The UC Statewide Integrated Pest Management Program says that "Aphids have many generations a year. Most...
A close-up of an aphid giving birth in a Vacaville pollinator garden. (Photo by Kathy Keatley Garvey)
Another close-up of an aphid giving birth in a Vacaville pollinator garden. (Photo by Kathy Keatley Garvey)
A lady beetle, aka ladybug, chowing down on an aphid, while another "waits its turn." (Photo by Kathy Keatley Garvey)
The larvae of lady beetles also feast on aphids. This larva is getting its share. (Photo by Kathy Keatley Garvey)
Begone Tadpole Shrimps! They're 'Time Travelers' in Rice Fields
You may have never seen a tadpole shrimp, but you ought to be concerned about it, especially if you like rice. It's neither a tadpole nor a shrimp, but a crustacean pest that feasts on rice seedlings in flooded rice fields. Rice growers currently rely heavily on pyrethroid insecticides...
A field trial at the California Cooperative Rice Research Foundation Inc. Rice Experiment Station near Biggs, Calif. (Photo by Ian Grettenberger)
UC Cooperative Extension specialist Ian Grettenberg said that "we evaluated alternative management strategies that could be used to manage tadpole shrimp. We tested a number of materials using small metal ring plots and natural shrimp population. (Photo by Ian Grettenberger)
A tadpole shrimp feasting on rice seedlings. (Photo by Ian Grettenberger)
