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Jun 29, 2021 8:14 AM CST
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
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Hi everyone,

I came across a problem while daylily breeding this morning. I found these black iridescent beetles mating and crawling on a few of my daylily blooms. They look like figeater beetles. I had these same looking beetles attack the blooms on my two Rose of Sharon a few years back.

Should I be concerned about these insects???
Not only people give others signs, but plants do too.
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Jun 29, 2021 8:30 AM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
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Can you post a picture? The only scarab beetle I can think of that might be on daylilies would be the Japanese beetle and it's not iridescent black.

https://daylilies.org/daylily-...
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Jun 29, 2021 9:59 AM CST
Name: Elena
NYC (Zone 7a)
Bee Lover Vegetable Grower Plant and/or Seed Trader Spiders! Seed Starter Garden Procrastinator
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I get lots of beetles on my daylilies. Here's a pic of one but I get others with the same shape in different colors.

Thumb of 2021-06-29/bxncbx/05a819

They don't bother the daylilies. They just hang out on them.
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Jun 29, 2021 10:17 AM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
bxncbx said:I get lots of beetles on my daylilies. Here's a pic of one but I get others with the same shape in different colors.

They don't bother the daylilies. They just hang out on them.


Oriental beetle? If so, it's a plant feeder.

https://bugguide.net/node/view...
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Jun 29, 2021 12:05 PM CST
Name: Elena
NYC (Zone 7a)
Bee Lover Vegetable Grower Plant and/or Seed Trader Spiders! Seed Starter Garden Procrastinator
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@sooby Yeah, they are like Japanese beetles but I never see the adults do any damage in my garden. I think the larvae eat plant roots and such. But my area has seen a huge influx of skunks the last few years. They dig everywhere looking for worms and grubs! But I have noticed a huge decrease in Japanese beetles so I guess it is a good thing. Although not when I open my door and one is staring at me! Hilarious!
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Jun 29, 2021 12:42 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
@bxncbx The oriental beetle (pictured in the link) is not the same as the Japanese beetle, and there was a report on the AHS Robin last year of oriental beetles (Anomala orientalis) damaging daylilies. Yes the grubs go for roots, same as Japanese beetles, and it too is an invasive alien species:

https://en.wikipedia.org/wiki/...
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Jun 29, 2021 1:44 PM CST
Name: Elena
NYC (Zone 7a)
Bee Lover Vegetable Grower Plant and/or Seed Trader Spiders! Seed Starter Garden Procrastinator
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I know they aren't Japanese beetles. I was at war with them for eating my roses. I ended up just having to give up.

Here's some pics of the Oriental beetles from 2017.

Thumb of 2021-06-29/bxncbx/bd0f93
Thumb of 2021-06-29/bxncbx/a457a0
Thumb of 2021-06-29/bxncbx/65eb70

I guess they do eat the flowers but the damage was so minimal I never really noticed. Those pics were from July 2. So basically the same time of year as now. I used to see them all over the garden but rarely do now. The skunks eat most of the larvae so I see hardly any beetles (Japanese or Oriental) now.
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Jun 29, 2021 2:36 PM CST
Name: Sharon Rose
Grapevine, TX (Zone 8a)
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I have also had those small black beetles and bean beetles on daylilies. I noticed they were really attracted to the color yellow. I went to the dollar store bought a bunch of those kids "yellow" sand buckets. I also had some yellow plastic containers from Nestle Quik powder. Note: I did buy one of every color sand bucket. Did an experiment, hands down winner... the beetles went to the yellow ones. I filled the buckets half way with water, dish soap, and a little baking soda (to discourage mosquitos). Set them around the garden. Every day I would scoop out the drowned beetles.

May your garden bring joy into your life and the lives of others!
One to take to heart....1 John 4 ..............................................Where there is smoke...there is fire...in most cases the smoke will kill you long before the fire consumes you. Beware of smoke screens! Freedom is not free and when those who have not paid the price or made the sacrifice...think that only they are right and entitled to speak...they bring us tryanny.
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Jun 29, 2021 2:44 PM CST
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
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I have seen a few of those beetles, I have just been hand picking them. Only see a few during a weeks time so far.
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Jun 29, 2021 3:25 PM CST
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
Amaryllis Region: Nebraska Lilies Irises Hostas Foliage Fan
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sooby said:Can you post a picture? The only scarab beetle I can think of that might be on daylilies would be the Japanese beetle and it's not iridescent black.

https://daylilies.org/daylily-...


Here's a picture.
Thumb of 2021-06-29/SonoveShakespeare/063174
Not only people give others signs, but plants do too.
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Jun 29, 2021 3:48 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
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Yep, that's a Japanese beetle Sad
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Jun 29, 2021 3:57 PM CST
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
Amaryllis Region: Nebraska Lilies Irises Hostas Foliage Fan
Daylilies Garden Photography Bulbs Butterflies Bee Lover Enjoys or suffers hot summers
sooby said:Yep, that's a Japanese beetle Sad


Any way I can get rid of them without using chemicals and/or pesticides???
Not only people give others signs, but plants do too.
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Jun 29, 2021 4:05 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
SonoveShakespeare said:

Any way I can get rid of them without using chemicals and/or pesticides???


You'll probably get more suggestions from people who've dealt with them, they haven't found my garden - yet. Are the grubs in your lawn? For those you can use beneficial nematodes, which in at least some areas work better than the alternative of milky spore disease (according to a talk I attended by an entomologist).

For the adults there are traps but they are often not recommended because they attract more from the neighbourhood. One recommended possibility is to knock them off the plants into a bucket of soapy water early in the morning if you're at home then, like many insects they're dopey first thing. That's all I can think of off the top of my head.
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Jun 29, 2021 4:52 PM CST
Name: Elena
NYC (Zone 7a)
Bee Lover Vegetable Grower Plant and/or Seed Trader Spiders! Seed Starter Garden Procrastinator
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I could send you some skunks! Whistling

The little ones are really cute! Just hope you've lost your sense of smell. I smell skunk almost every day. Thumbs down
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Jun 29, 2021 6:10 PM CST
Name: Lynda
Southeast Ohio
sooby said:

One recommended possibility is to knock them off the plants into a bucket of soapy water early in the morning if you're at home then, like many insects they're dopey first thing. That's all I can think of off the top of my head.



Yep! We carry peanut butter jars with soapy water and flick Japanese Beetles into "the bubble bath of doom." Works later in the day when they are active as well, since they are usually focused on "dating".
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Jun 30, 2021 9:16 AM CST
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
Amaryllis Region: Nebraska Lilies Irises Hostas Foliage Fan
Daylilies Garden Photography Bulbs Butterflies Bee Lover Enjoys or suffers hot summers
Sue and Lynda. Thank You! I'll try the soapy water trick.

Elena I wish you could. Skunks are cute. Lovey dubby
Not only people give others signs, but plants do too.
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Jun 30, 2021 6:43 PM CST
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
Amaryllis Region: Nebraska Lilies Irises Hostas Foliage Fan
Daylilies Garden Photography Bulbs Butterflies Bee Lover Enjoys or suffers hot summers
@sooby Sue, do Japanese beetles also attack daylily buds? I have already lost buds on my favorite daylily, 'Spider Man'. There were mushy, browning, and holey buds that easily come off the scapes. Crying
Not only people give others signs, but plants do too.
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Jun 30, 2021 7:21 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
They haven't attacked them in a garden I know that has daylilies and Japanese beetles, and I don't think they would cause browning, holey and mushy. That actually sounds more like gall midge, have you looked inside a bud for maggots? If not that then maybe look for tarnished plant bugs or Lopidea confluenta.
Last edited by sooby Jun 30, 2021 7:22 PM Icon for preview
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