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Name: Toni Melvin
Sherwood Oregon (Zone 8a)
Region: Oregon Region: Pacific Northwest Organic Gardener Native Plants and Wildflowers Herbs Beekeeper
Permaculture Composter Canning and food preservation Bee Lover Garden Ideas: Level 1
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Toni
Jul 25, 2016 10:48 PM CST
I have these guys all over my calendula and marigolds. Does someone know what they are and if they should be eliminated?
Thumb of 2016-07-26/Toni/1bde14

Toni
I aspire to be the person my dog thinks I am
Name: Sue Taylor
Northumberland, UK
Charter ATP Member Garden Photography Lover of wildlife (Black bear badge) Foliage Fan Houseplants Frogs and Toads
Container Gardener Cactus and Succulents Butterflies Birds Bee Lover Region: United Kingdom
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kniphofia
Jul 25, 2016 10:54 PM CST
Unless they're actually damaging the plants I would leave them alone. By "eliminating" I guess you mean poisoning. Remember by using chemical sprays you are not only killing "pests" but also a lot of beneficial insects as well. If you don't get an answer here there is a bug ID forum which could help.
Name: Toni Melvin
Sherwood Oregon (Zone 8a)
Region: Oregon Region: Pacific Northwest Organic Gardener Native Plants and Wildflowers Herbs Beekeeper
Permaculture Composter Canning and food preservation Bee Lover Garden Ideas: Level 1
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Toni
Jul 26, 2016 11:10 AM CST
Thank you Sue for spreading the message of not using pesticides. I have never used pesticides. I don't even think of that as an option. I usually just pick off insects i see doing damage. I meant should I pick them off. Sorry for the confusion.
Toni
I aspire to be the person my dog thinks I am
[Last edited by Toni - Jul 26, 2016 11:20 AM (+)]
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Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jul 26, 2016 12:25 PM CST
It could be a type of Blister Beetle; they are known to attack Calendula. In the photo it looks like the insect is eating the petals so I would pick it off...
but if it is a Blister Beetle I think it may be a good idea to wear gloves. Shrug!
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: Karen
NM , AZ (Zone 7b)
Region: New Mexico Region: Arizona Greenhouse Cactus and Succulents Adeniums Garden Art
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plantmanager
Jul 26, 2016 12:41 PM CST
It doesn't look like the blister beetles I'm familiar with, but there are a lot of different ones. If it is, be careful if you have any livestock around you. They are highly toxic to them.
http://www.cattlenetwork.com/bovine-vet/industry-news/Beware...
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Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
Rabbit Keeper Critters Allowed Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level Garden Sages
Herbs Region: Georgia Region: United States of America Native Plants and Wildflowers Dog Lover Composter
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greene
Jul 26, 2016 1:08 PM CST
plantmanager said:...blister beetles...there are a lot of different ones.

Maybe we should give a shout out to JRsbugs to see if she can tell what it is.

Edited to laugh at myself for forgetting to put the little @ symbol. ;)

Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
[Last edited by greene - Jul 26, 2016 4:22 PM (+)]
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Name: Karen
NM , AZ (Zone 7b)
Region: New Mexico Region: Arizona Greenhouse Cactus and Succulents Adeniums Garden Art
Plumerias Hibiscus Houseplants Plant Lover: Loves 'em all! Dog Lover Cat Lover
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plantmanager
Jul 26, 2016 2:43 PM CST
Good idea! @JRsbugs.
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Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Jul 26, 2016 8:47 PM CST
I'm all ears!

Difficult to say as there's thousands of beetles, many of which look very much like each other.

Best guess is Tenebrionidae due to the long femora and general shape but I can't see enough to say much about it and if I could I doubt I would be able to say what it is for sure. Hilarious!

http://tolweb.org/Tenebrionidae/10315

http://knowledgebase.lookseek.com/Darkling-Beetle.html

http://bugguide.net/node/view/22387/bgpage

It's a lone beetle, it might be nibbling the flower or drinking nectar, whatever the flower will die off soon and the beetle won't be around for long. It could easily be food for birds.
Name: Toni Melvin
Sherwood Oregon (Zone 8a)
Region: Oregon Region: Pacific Northwest Organic Gardener Native Plants and Wildflowers Herbs Beekeeper
Permaculture Composter Canning and food preservation Bee Lover Garden Ideas: Level 1
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Toni
Jul 27, 2016 3:16 PM CST
These beetles only seem to cover my calendula and marigolds. There is usually just one or two per bloom. I have been leaving them be
Toni
I aspire to be the person my dog thinks I am
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
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sooby
Jul 27, 2016 3:27 PM CST
If you can get a sharper picture showing the antennae as well there'd be more chance of an ID. If you don't mind killing one you could catch it by inverting a plastic ziploc over the flower to capture it, and then drown it in rubbing alcohol. It will be much more cooperative for a photo op then and putting it carefully on white paper will make the camera focus on it. Care is needed to remove from the alcohol or legs fall off. Still may not help, especially if Janet thinks it would still be difficult. I wonder if it is after pollen, although there are holes in the petals.
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jul 28, 2016 5:25 AM CST
Unless the beetle has something which easily distinguishes it from others it will be difficult if not impossible, even experts with a specimen under a microscope will have trouble with some due to interpretation. Some depend on small detail such as how many ridges there are in the elytra or how many puncture holes it has in certain places.

Some can be identified by the number of segments in the antennae, or colour of them. Or the shape of the pronotum, whether or not it has rounded or sharp corners, the surface structure of it etc.

http://theearlybirder.com/insects/beetles/darkling1/index.ht...

http://www.americaninsects.net/b/tenebrionidae.html

http://bugguide.net/node/view/798629/bgimage

Watch them and think how much they are enjoying their short lives while you provide one of nature's creatures with something which they can benefit from, and in turn will likely benefit another of nature's creatures. Smiling

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