Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: spotted cucumber beetle

Let's Hear It for Biocontrol, Integrated Pest Management

An assassin bug drills a pest, a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

Let's hear it for biocontrol. You've seen lady beetles, aka ladybugs, preying on aphids. But have you seen an assassin bug attack a spotted cucumber beetle? No? How about a crab spider munching on a stink bug? All biocontrol, part of integrated pest...

An assassin bug drills a pest, a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)
An assassin bug drills a pest, a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

An assassin bug drills a pest, a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

A lady beetle, aka ladybug, snares an aphid. (Photo by Kathy Keatley Garvey)
A lady beetle, aka ladybug, snares an aphid. (Photo by Kathy Keatley Garvey)

A lady beetle, aka ladybug, snares an aphid. (Photo by Kathy Keatley Garvey)

A crab spider munches on a stink bug. (Photo by Kathy Keatley Garvey)
A crab spider munches on a stink bug. (Photo by Kathy Keatley Garvey)

A crab spider munches on a stink bug. (Photo by Kathy Keatley Garvey)

A great blue heron engages in a little pest management: it catches a rodent at Bodega Bay. (Photo by Kathy Keatley Garvey)
A great blue heron engages in a little pest management: it catches a rodent at Bodega Bay. (Photo by Kathy Keatley Garvey)

A great blue heron engages in a little pest management: it catches a rodent at Bodega Bay. (Photo by Kathy Keatley Garvey)

The great blue heron gets its prey in position before swallowing it whole. (Photo by Kathy Keatley Garvey)
The great blue heron gets its prey in position before swallowing it whole. (Photo by Kathy Keatley Garvey)

The great blue heron gets its prey in position before swallowing it whole. (Photo by Kathy Keatley Garvey)

Down on the Farm...

A farmer's hand and a very beneficial insect, the lady beetle, aka ladybug. (Photo by Kathy Keatley Garvey)

Down on the farm...the Loma Vista Farm.... When the Loma Vista Farm--part of the Vallejo City Unified School District--recently hosted its annual Spring Festival, scores of folks came to see the animals, buy a plant or two, and participate in the many...

A farmer's hand and a very beneficial insect, the lady beetle, aka ladybug. (Photo by Kathy Keatley Garvey)
A farmer's hand and a very beneficial insect, the lady beetle, aka ladybug. (Photo by Kathy Keatley Garvey)

A farmer's hand and a very beneficial insect, the lady beetle, aka ladybug. (Photo by Kathy Keatley Garvey)

A beneficial insect, the lady beetle (far left), and a pest, the spotted cucumber beetle, share a leaf. (Photo by Kathy Keatley Garvey)
A beneficial insect, the lady beetle (far left), and a pest, the spotted cucumber beetle, share a leaf. (Photo by Kathy Keatley Garvey)

A beneficial insect, the lady beetle (far left), and a pest, the spotted cucumber beetle, share a leaf. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail, Papilio rutulus, forages on a butterfly bush at the Loma Vista Farm, Vallejo. (Photo by Kathy Keatley Garvey)
A Western tiger swallowtail, Papilio rutulus, forages on a butterfly bush at the Loma Vista Farm, Vallejo. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail, Papilio rutulus, forages on a butterfly bush at the Loma Vista Farm, Vallejo. (Photo by Kathy Keatley Garvey)

A colony of yellow-faced bumble bees, Bombus vosnesenskii, works throughout the Loma Vista Farm's Spring Festival. (Photo by Kathy Keatley Garvey)
A colony of yellow-faced bumble bees, Bombus vosnesenskii, works throughout the Loma Vista Farm's Spring Festival. (Photo by Kathy Keatley Garvey)

A colony of yellow-faced bumble bees, Bombus vosnesenskii, works throughout the Loma Vista Farm's Spring Festival. (Photo by Kathy Keatley Garvey)

The caterpillar of an anise swallowtail, Papilio zelicaon, munches on fennel or anise, the host plant. (Photo by Kathy Keatley Garvey)
The caterpillar of an anise swallowtail, Papilio zelicaon, munches on fennel or anise, the host plant. (Photo by Kathy Keatley Garvey)

The caterpillar of an anise swallowtail, Papilio zelicaon, munches on fennel or anise, the host plant. (Photo by Kathy Keatley Garvey)

A Case of Mistaken Identity

A spotted cucumber beetle foraging on Iceland poppy. (Photo by Kathy Keatley Garvey)

"Ah, look at that cute little yellow ladybug! Isn't it pretty?" How many times have you heard that? Often it is not the beneficial lady beetle--commonly referred to as a ladybug--but that dratted pest, the spotted cucumber beetle. In a case last week,...

A spotted cucumber beetle foraging on Iceland poppy. (Photo by Kathy Keatley Garvey)
A spotted cucumber beetle foraging on Iceland poppy. (Photo by Kathy Keatley Garvey)

A spotted cucumber beetle foraging on Iceland poppy. (Photo by Kathy Keatley Garvey)

Looking for a Thistle

Mylitta Crescent butterfly (Physiodes mylitta) on the leaf of a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)

Perhaps it was searching for a thistle. The Mylitta Crescent butterfly (Physiodes mylitta) did not find the thistle—at least in our bee garden. What it did find were the leaves of a tower of jewels (Echium wildpretii) where it sunned itself...

Mylitta Crescent butterfly (Physiodes mylitta) on the leaf of a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)
Mylitta Crescent butterfly (Physiodes mylitta) on the leaf of a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)

Mylitta Crescent butterfly (Physiodes mylitta) on the leaf of a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)

Occupied! This bull thistle is occupied by a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)
Occupied! This bull thistle is occupied by a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

Occupied! This bull thistle is occupied by a spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

Posted on Thursday, July 10, 2014 at 9:42 PM

The Diabolical Diabrotica

Spotted cucumber beetle and its path of destruction. (Photo by Kathy Keatley Garvey)

Some folks mistake the spotted cucumber beetle for a ladybug or lady beetle. However, unlike the beneficial ladybug, which devours aphids and other soft-bodied insects, the spotted cucumber beetle is a major agricultural pest. The adults,...

Spotted cucumber beetle and its path of destruction. (Photo by Kathy Keatley Garvey)
Spotted cucumber beetle and its path of destruction. (Photo by Kathy Keatley Garvey)

Spotted cucumber beetle and its path of destruction. (Photo by Kathy Keatley Garvey)

Close-up of the spotted cucumber beetle. (Photo by Kathy Keatley Garvey)
Close-up of the spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

Close-up of the spotted cucumber beetle. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, November 27, 2013 at 9:55 PM

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