UCCE Master Gardeners of San Joaquin County
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UCCE Master Gardeners of San Joaquin County

Posts Tagged: ants

Bert Hölldobler: Why Term 'Superorganism' Should Be Limited in Use

A velevety tree ant touches the antenna of a honey bee in this photo taken on lavender blossoms in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Superorganism: It's a term that should be limited in use, says Pulitzer-Prize winner Bert Hölldobler, one of the world's leading ant experts. Bert Hölldobler, an evolutionary biologist based at Arizona State University who researches the...

A velevety tree ant touches the antenna of a honey bee in this photo taken on lavender blossoms in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A velevety tree ant touches the antenna of a honey bee in this photo taken on lavender blossoms in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A velevety tree ant touches the antenna of a honey bee in this photo taken on lavender blossoms in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

UC Davis Spring Seminars: from Fruit Flies to Ants to Spider Glue and More!

A fruit fly, spotted wing drosophila, on a raspberry. The UC Davis Department of Entomology and Nematology's first spring seminar is on fruit flies.  Alistair McGregor of Oxford Brookes University, England, will speak. (Photo by Kathy Keatley Garvey)

Medical entomologist Geoffrey Attardo, assistant professor of entomology, UC Davis Department of Entomology and Nematology, has lined up the department's spring seminars for the spring quarter, and what a line-up it is! They range in topics from fruit...

A fruit fly, spotted wing drosophila, on a raspberry. The UC Davis Department of Entomology and Nematology's first spring seminar is on fruit flies.  Alistair McGregor of Oxford Brookes University, England, will speak. (Photo by Kathy Keatley Garvey)
A fruit fly, spotted wing drosophila, on a raspberry. The UC Davis Department of Entomology and Nematology's first spring seminar is on fruit flies. Alistair McGregor of Oxford Brookes University, England, will speak. (Photo by Kathy Keatley Garvey)

A fruit fly, spotted wing drosophila, on a raspberry. The UC Davis Department of Entomology and Nematology's first spring seminar is on fruit flies. Alistair McGregor of Oxford Brookes University, England, will speak. (Photo by Kathy Keatley Garvey)

What a Difference These Four UC Davis Entomologists Are Making!

Spotted-wing drosophila, Drosophila suzukii, infesting a raspberry. (Photo by Kathy Keatley Garvey)

They study bees, ants, fruit flies and spider flies. And that's just a small portion of what they do. And what a difference they're making! Four UC Davis entomologists won awards from the Pacific Branch, Entomological Society of America (PBESA). They...

Spotted-wing drosophila, Drosophila suzukii, infesting a raspberry. (Photo by Kathy Keatley Garvey)
Spotted-wing drosophila, Drosophila suzukii, infesting a raspberry. (Photo by Kathy Keatley Garvey)

Spotted-wing drosophila, Drosophila suzukii, infesting a raspberry. (Photo by Kathy Keatley Garvey)

A yellow-faced bumble bee, Bombus vosnesenskii, heading toward a California poppy. (Photo by Kathy Keatley Garvey)
A yellow-faced bumble bee, Bombus vosnesenskii, heading toward a California poppy. (Photo by Kathy Keatley Garvey)

A yellow-faced bumble bee, Bombus vosnesenskii, heading toward a California poppy. (Photo by Kathy Keatley Garvey)

Insect Pests on Citrus Trees

Asian citrus psyllid adult and eggs on young citrus leaves. <br>(Credit: M. Lewis, CISR)

[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.] Citrus trees remain a popular choice for home gardeners in California, largely due to their ease of care,...

Posted on Thursday, February 28, 2019 at 7:30 AM

Ant Control for Insect Pests on Citrus

Figure 1. Ants harvesting honeydew from Asian citrus psyllid nymphs. (Credit: E. Grafton-Cardwell, UCCE)

[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.] Most citrus tree problems in home gardens can be solved by pruning the trees to allow better air...

Posted on Thursday, February 28, 2019 at 7:30 AM
Tags: ants (30), Asian citrus psyllid (35), citrus (30), control (41), Grafton-Cardwell (12), pest (75), pest management (25), tree (16), UC IPM (225)

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