Posts Tagged: spotted
Seeing Spots and Holes?
So there you are, admiring your Coreopsis and suddenly you notice spots and holes--spots on the backs of two western spotted cucumber beetles, and holes cut in the petals. Ah, there's two of them. The beetles, about a fourth of an inch long, are fun to photograph, but they're not your...
Two Western spotted cucumber beetles, Diabrotica undecimpunctata, on a Coreposis. (Photo by Kathy Keatley Garvey)
Enthusiastic Team of UC Master Gardeners at Dixon May Fair
It wouldn't be a fair without the UC Master Gardeners. If you visited the horticulture building during the Dixon May Fair (the four-day fair traditionally ends on Mother's Day), you probably saw a team of UC Master Gardeners answering questions from fairgoers and handing out...
Marilyn Sexton of Fairfield, who plants tomatoes every year, asks a question at the UC Master Gardeners table at the Dixon May Fair. Master Gardeners (from left) are Tom Hutson, Julie Smith, and Betty Buxton. (Photo by Kathy Keatley Garvey)
A wealth of information on the UC Master Gardeners' table in the horticulture building, Dixon May Fair.
Tomato hornworms are major pests of tomatoes. (Photo by Kathy Keatley Garvey)
The adult form of the tomato hornworm. This is Manduca quinquemaculata, the five-spotted hawkmoth, family Sphingidae. (Photo courtesy of Wikipedia)
Probing the Molecular Interactions Between Western Flower Thrips and the Tomato Spotted Wilt Virus
Back in October of 2020, we wrote about the newly published research of an international team of scientists involving the genome analysis of the western flower thrips, an invasive global agricultural pest that feeds on plants and spreads viruses. Fifty-seven scientists from five...
Tomato spotted wilt virus. (Photo courtesy of UC Davis distinguished professor Diane Ullman)
ESA Journal Targets the Spotted-Wing Drosophila
It was a major project, a long time coming, and what an excellent resource for those studying the spotted-wing drosophila, a worldwide threat to the berry production industry. The project? Fourteen articles in The Journal of Economic Entomology's Special Collection: Research...
The Cover
Spotted Cucumber Beetles: They Know How to Hit the Spot
Western spotted cucumber beetles know how to hit the spot. Make that "multiple spots." These beetles, Diabrotica undecimpunctata, are agricultural pests that feed on roots, seedlings, flowers and foliage. And they can transmit diseases. But have you ever seen feed on flower...
Wide angle shot of a western spotted cucumber beetle, Diabrotica undecimpunctata, chewing a hole in a petal of a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
Close-up of a western spotted cucumber beetle chewing a hole in a Mexican sunflower. (Photo by Kathy Keatley Garvey)
The end result: a Mexican sunflower you wouldn't want to enter in a county fair. (Photo by Kathy Keatley Garvey)
Close-up of a western spotted cucumber beetle. (Photo by Kathy Keatley Garvey)