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Sonia Rios, Area Subtropical Horticulture Advisor, Riverside & San Diego Counties Henry Herrera, Forester, California Department of Forestry and Fire Protection (CAL FIRE) Gary Bender, Subtropical Horticulture Advisor, San Diego County This is a reposting of a blog from 2015 that is still pertinent...

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Labor Day activity: A honey bee and a lady beetle (see center of blossoms) forage on a scarlet milkweed. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Guess What Other Insects Like Milkweed!

September 7, 2015

By Kathy Keatley Garvey

Monarch butterflies aren't the only insects that like milkweed. Honey bees, lady beetles and aphids, do, too. We found all three insects, plus a monarch butterfly, on our scarlet milkweed (Asclepias curassavica) today (Labor Day). Most of the insects were oleander aphids, which attract lady beetles.

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IGIS: Article

Upcoming Events of Interest at Stanford

September 4, 2015

By Maggi Kelly

Bay Area Geo-Educators Summit on Oct 2nd Women in Data Science Conference on Nov 2nd...

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A red flameskimmer dragonfly, (Libellula saturata) perches on a bamboo stake. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Know Your Dragonflies!

September 4, 2015

By Kathy Keatley Garvey

You're walking through a park and suddenly spot a dragonfly perched on a stick. "What's that?" you ask. As you edge closer, it takes off. "Missed it!" Well, you won't want to miss the Bohart Museum of Entomology's open house on Sunday, Sept.

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Sugary exudate on trunks or branches may indicate a PSHB attack. Note that exudate may be washed off after rain events and therefore may not always be present on a heavily infested branch.

Topics in Subtropics: Article

Polyphagous Shot Hole Borer: San Diego Population Now Known as Kuroshio Shot Hole Borer

September 4, 2015

By Sonia I Rios

Through DNA sequencing, UCR entomologist have determined that we have two separate invasions of the Polyphagous Shot Hole Borer (PSHB) here in southern California attacking avocados. One invasion in San Diego County and the second in Los Angeles County.

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Late afternoon sun gives away the location of this praying mantis hidden in a bed of lavender. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Find the Praying Mantis!

September 3, 2015

By Kathy Keatley Garvey

Whether you call them "praying" mantis or "preying" mantis, one thing is for sure: they are difficult to find.

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IGIS: Article

International Map Year

September 2, 2015

By Maggi Kelly

Did you know that it is International Map Year? 2015-2016. The International Map Year (IMY) is a worldwide celebration of maps and their unique role in our world.

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IGIS: Article

False precision in the English Lidar release

September 2, 2015

By Maggi Kelly

Great commentary from Martin Isenburgon of LASTools fame on releasing data with false precision. This deals with the new open data release by the Environment Agency in England.

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