Cooperative Extension San Joaquin County
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Cooperative Extension San Joaquin County

Posts Tagged: aphids

Ladybug, Ladybug, Fly Away Home!

A lady beetle positions itself on a tropical milkweed leaf, poised  for flight. (Photo by Kathy Keatley Garvey)

Ladybug!  Ladybug!Fly away home.Your house is on fireAnd your children are gone. How many times have you heard that nursery rhyme? Better yet, how many times have you seen a lady beetle (because they're beetles, not bugs) take off? Look closely...

A lady beetle positions itself on a tropical milkweed leaf, poised  for flight. (Photo by Kathy Keatley Garvey)
A lady beetle positions itself on a tropical milkweed leaf, poised for flight. (Photo by Kathy Keatley Garvey)

A lady beetle positions itself on a tropical milkweed leaf, poised for flight. (Photo by Kathy Keatley Garvey)

All systems go! The lady beetle opens its elytra, revealing its wings. (Photo by Kathy Keatley Garvey)
All systems go! The lady beetle opens its elytra, revealing its wings. (Photo by Kathy Keatley Garvey)

All systems go! The lady beetle opens its elytra, revealing its wings. (Photo by Kathy Keatley Garvey)

Ready for liftoff? This lady beetle is good to go. (Photo by Kathy Keatley Garvey)
Ready for liftoff? This lady beetle is good to go. (Photo by Kathy Keatley Garvey)

Ready for liftoff? This lady beetle is good to go. (Photo by Kathy Keatley Garvey)

And we're off! The lady beetle spreads its wings and is off. Photos taken with 105mm lens on Nikon D500; ISO 2000; shutter speed, 1/1000, and f-stop 16. (Photo by Kathy Keatley Garvey)
And we're off! The lady beetle spreads its wings and is off. Photos taken with 105mm lens on Nikon D500; ISO 2000; shutter speed, 1/1000, and f-stop 16. (Photo by Kathy Keatley Garvey)

And we're off! The lady beetle spreads its wings and is off. Photos taken with 105mm lens on Nikon D500; ISO 2000; shutter speed, 1/1000, and f-stop 16. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, November 14, 2017 at 5:00 PM

The Lady Beetle and the Syrphid Fly

A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)

So, here I am, an Asian lady beetle (Harmonia axyridis) perched on a rose bush in Vacaville, Calif., as dawn breaks. I'm eating  aphids and minding my own beetle business, which consists of gobbling aphids and more aphids. And more aphids. Did I say...

A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)
A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)

A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture, heads for a lady beetle. (Photo by Kathy Keatley Garvey)

Touchdown! The large syrphid fly, Scaeva pyrastri, lands next to the lady beetle.(Photo by Kathy Keatley Garvey)
Touchdown! The large syrphid fly, Scaeva pyrastri, lands next to the lady beetle.(Photo by Kathy Keatley Garvey)

Touchdown! The large syrphid fly, Scaeva pyrastri, lands next to the lady beetle.(Photo by Kathy Keatley Garvey)

The syrphid fly licks honeydew from the lady beetle. (Photo by Kathy Keatley Garvey)
The syrphid fly licks honeydew from the lady beetle. (Photo by Kathy Keatley Garvey)

The syrphid fly licks honeydew from the lady beetle. (Photo by Kathy Keatley Garvey)

Honeydew is a sugar-rich sticky liquid, secreted by aphids and some scale insects as they feed on plant sap. When their mouthpart penetrates the phloem, the sugary, high-pressure liquid is forced out of the anus of the aphid.
Honeydew is a sugar-rich sticky liquid, secreted by aphids and some scale insects as they feed on plant sap. When their mouthpart penetrates the phloem, the sugary, high-pressure liquid is forced out of the anus of the aphid.

"Let's try this again! I'm coming in. Wait, turn around, will ya!" Syrphid fly caught in flight. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, June 6, 2017 at 4:38 PM

Insect Wedding Photography in a Rose Garden

Love in the rose garden. (Photo by Kathy Keatley Garvey)

"I do! I do! I do!" Some of us engage in wedding photography. Not with humans. With insects. All you need is a bride, a groom and a…hmm…bedroom. That could be a leafy green bedroom in the rose garden where the lady beetles, aka ladybugs,...

Love in the rose garden. (Photo by Kathy Keatley Garvey)
Love in the rose garden. (Photo by Kathy Keatley Garvey)

Love in the rose garden. (Photo by Kathy Keatley Garvey)

Bridal couple heads for some privacy. (Photo by Kathy Keatley Garvey)
Bridal couple heads for some privacy. (Photo by Kathy Keatley Garvey)

Bridal couple heads for some privacy. (Photo by Kathy Keatley Garvey)

Don't let a thorn get in your way. (Photo by Kathy Keatley Garvey)
Don't let a thorn get in your way. (Photo by Kathy Keatley Garvey)

Don't let a thorn get in your way. (Photo by Kathy Keatley Garvey)

The view is better over here. I think I see an aphid. (Photo by Kathy Keatley Garvey)
The view is better over here. I think I see an aphid. (Photo by Kathy Keatley Garvey)

The view is better over here. I think I see an aphid. (Photo by Kathy Keatley Garvey)

Just need a pillow of rose petals for the night. (Photo by Kathy Keatley Garvey. All images taken with a Nikon D800 and a macro lens, 105mm)
Just need a pillow of rose petals for the night. (Photo by Kathy Keatley Garvey. All images taken with a Nikon D800 and a macro lens, 105mm)

Just need a pillow of rose petals for the night. (Photo by Kathy Keatley Garvey. All images taken with a Nikon D800 and a macro lens, 105mm)

Posted on Tuesday, April 18, 2017 at 5:15 PM

The Lady Beetle: An Eating Machine

A lady beetle, aka ladybug, devouring an aphid, while other aphids appear to be

The lady beetle, aka ladybug, is a veritable eating machine. Have you ever watched a lady beetle gobble up those pesky aphids? Aphids may look fragile, harmless and sluggish, but wow, can those tiny insects ever suck those juices right out of your...

A lady beetle, aka ladybug, devouring an aphid, while other aphids appear to be
A lady beetle, aka ladybug, devouring an aphid, while other aphids appear to be "aphids in waiting." (Photo by Kathy Keatley Garvey)

A lady beetle, aka ladybug, devouring an aphid, while other aphids appear to be "aphids in waiting." (Photo by Kathy Keatley Garvey)

Posted on Tuesday, April 4, 2017 at 4:00 PM

There's Gold on Them Thar Roses

Matched pair: Two multicolored Asian beetles on rose leaves in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

There's gold on them thar roses. No, not the kind of gold found during the California Gold Rush (1848–1855) that brought some 300,000 folks to the Golden State. These are gold eggs from the multicolored Asian beetle, Harmonia axyridis, that...

Matched pair: Two multicolored Asian beetles on rose leaves in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
Matched pair: Two multicolored Asian beetles on rose leaves in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Matched pair: Two multicolored Asian beetles on rose leaves in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

The lady beetles lay their eggs in a cluster or row. (Photo by Kathy Keatley Garvey)
The lady beetles lay their eggs in a cluster or row. (Photo by Kathy Keatley Garvey)

The lady beetles lay their eggs in a cluster or row. (Photo by Kathy Keatley Garvey)

Close-up of lady beetle eggs. (Photo by Kathy Keatley Garvey)
Close-up of lady beetle eggs. (Photo by Kathy Keatley Garvey)

Close-up of lady beetle eggs. (Photo by Kathy Keatley Garvey)

Posted on Friday, March 24, 2017 at 4:28 PM

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