Rangelands

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German Rafael Villalba-Salazar, técnico en viveros, cosecha injertos de árboles madre de cítricos en las instalaciones del Programa de Protección Clonal de Cítricos de UC. Fotografía por Stan Lim, UC Riverside

El Naranjo Madre ya se puede cultivar en California

July 28, 2022
By Basilisa M Rawleigh
Entre los conocedores de los naranjos, es bien sabido que el Naranjo Madre, es una especie muy resistente y por esa razn Tom Delfino, ex director de la Sociedad de Viveros de Ctricos de California, recomend al viejo naranjo para el programa de proteccin.
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Leaves of a river red gum eucalyptus tree covered with redgum lerp psyllids. The white growths are the “lerp” produced by the immature (nymph) stage of the insect. [Credit: Jack Kelly Clark]

Redgum Lerp Psyllid Resource Updated

July 25, 2022
By Karey Windbiel-Rojas
If you have eucalyptus trees, you might have noticed white, crusty growth on the leaves. Or maybe you saw a sticky, blackened mess of fallen leaves under a eucalyptus tree. These are signs of the redgum lerp psyllid, one of the most common psyllid pests that damages eucalyptus trees in California.
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What's on the sheet? In this 2018 photo, UC Davis arachnologist Jason Bond checks for moths while "Moth Man" John De Benedictis observes. Bond, the Schlinder chair of Insect Systematics, UC Davis Department of Entomology and Nematology, was recently named associate dean of the College of Agricultural and Environmental Sciences. (Photo by Kathy Keatley Garvey)
Entomology & Nematology News: Article

Moth Night at the Bohart Museum Set July 30

July 23, 2022
By Kathy Keatley Garvey
The Bohart Museum of Entomology is celebrating National Moth Night on Saturday, July 30 from 8 p.m. to 11 p.m.--both indoors in Room 1124 of the Academic Surge Building at 555 Crocker Lane, and outdoors, within a short walking distance.
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In this 2018 file photo, UC Davis arachnologist Jason Bond checks out the specimens at the Bohart Museum's blacklighting display while "Moth Man" John De Benedictis observes. Bond, the Schlinger Endowed Chair of Insect Systematics, UC Davis Department of Entomology and Nematology, was recently named associate dean of the College of Agricultural and Environmental Sciences. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Mark Your Calendar for 'Moth Night' at Bohart Museum: July 30

July 22, 2022
By Kathy Keatley Garvey
Mark your calendar! The Bohart Museum of Entomology at the University of California, Davis, is celebrating National Moth Night on Saturday, July 30 from 8 p.m. to 11 p.m.--both indoors in Room 1124 of the Academic Surge Building at 555 Crocker Lane, and outdoors, within a short walking distance.
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A crab spider on a Mexican sunflower is ready to ambush prey. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

A Crab Spider and a Bee

July 20, 2022
By Kathy Keatley Garvey
Oh, the patience of a crab spider. It lies in wait on the Mexican sunflower, Tithonia rotundifola, in the hot sun. It scuttles back and forth, extending its legs. It's an ambush predator, ready to inject venom.
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Figure 4. UC IPM "Filaree" webpage

Useful Weed Identification Tools

July 18, 2022
By Karey Windbiel-Rojas
The UC Statewide Integrated Pest Management Program's website contains many useful features to help identify pests and problems in the garden and home. One such feature is the Weed Gallery, which contains hundreds of images and management tips for more than 150 common weeds found in California.
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