Roses forum→Pests

Views: 292, Replies: 10 » Jump to the end
Name: Carol H. Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Region: Pennsylvania Growing under artificial light Foliage Fan Bookworm Annuals
Roses Hostas Xeriscape Daylilies Aroids Region: Mid-Atlantic
Image
csandt
Jun 9, 2020 2:28 PM CST
In April 2019, I moved to a retirement community, and now I have only one rose bush in my garden, probably a Chrysler Imperial. Last year it was beset with pest damage. This year (against all former principles) I bought a systemic pesticide/fertilizer (Bonide) and have applied it three times at monthly intervals. It now has buds. I expected to see perfect leaves but instead observed two kinds of very small pests munching away.

Shown below are the systemic pesticide/fertilizer and the pests.

I would be grateful for pest ID and advice.

Thank you.

Thumb of 2020-06-09/csandt/c23e48
Thumb of 2020-06-09/csandt/308ad6
Thumb of 2020-06-09/csandt/037403

Name: Mike Stewart
Lower Hudson Valley, New York (Zone 6b)
I was one of the first 300 contributors to the plant database! Photo Contest Winner 2020 Garden Photography Roses Bulbs Peonies
Lover of wildlife (Black bear badge) Dog Lover Cat Lover Birds Enjoys or suffers cold winters Region: New York
Image
Mike
Jun 9, 2020 3:49 PM CST
Keep in mind that systemic insecticides are not repellants; i.e., they don't keep insects "away." Instead, insects must ingest some of the plant tissue to absorb the insecticide in order to be killed by it.

That being said, you have black and white spotted lantern flies. It is indigenous to parts of China, India, Vietnam, and eastern Asia. It was first recorded in the United States in 2014 and as of 2018 it is an invasive species in eastern Pennsylvania (your area), southwestern New Jersey, northern Delaware, northern Virginia, and eastern Maryland. (It was first detected in Berks County, northwest of Philadelphia, not far from you.) See the description here: https://en.wikipedia.org/wiki/...

It's a shame they are a pest because they become quite beautiful.

The green critter is a rose slug or caterpillar munching away, and will probably be killed off by the insecticide.

Thumb of 2020-06-09/Mike/a615d8


Thumb of 2020-06-09/Mike/4ba570

[Last edited by Mike - Jun 9, 2020 4:06 PM (+)]
Give a thumbs up | Quote | Post #2268687 (2)
Name: Carol H. Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Region: Pennsylvania Growing under artificial light Foliage Fan Bookworm Annuals
Roses Hostas Xeriscape Daylilies Aroids Region: Mid-Atlantic
Image
csandt
Jun 9, 2020 5:39 PM CST
Thank you, Mike, for the grim news about the spotted lantern flies. I knew the adult form, but not the juveniles until you identified them. There is a major epidemic of them here, and not just roses! Thumbs down
Name: David Tillyer
New York City (Zone 7b)
Image
BigAppleRoseGuy
Jun 9, 2020 5:40 PM CST
Mike, you're amazing.
David
Name: Porkpal
Richmond, TX
Charter ATP Member Dog Lover Cat Lover Keeper of Poultry Keeps Horses I was one of the first 300 contributors to the plant database!
Garden Ideas: Level 2 Plant Identifier Raises cows Roses Farmer Celebrating Gardening: 2015
porkpal
Jun 9, 2020 6:21 PM CST
Yes, he is.
Porkpal
Name: Mike Stewart
Lower Hudson Valley, New York (Zone 6b)
I was one of the first 300 contributors to the plant database! Photo Contest Winner 2020 Garden Photography Roses Bulbs Peonies
Lover of wildlife (Black bear badge) Dog Lover Cat Lover Birds Enjoys or suffers cold winters Region: New York
Image
Mike
Jun 9, 2020 7:15 PM CST
Oh, pshaw. I'm sure everybody here knew what that bug was...

Didn't they?
Name: David Tillyer
New York City (Zone 7b)
Image
BigAppleRoseGuy
Jun 10, 2020 4:43 AM CST
Oh, well yeah, of course I did! Of course. ;-)
Name: Carol H. Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Region: Pennsylvania Growing under artificial light Foliage Fan Bookworm Annuals
Roses Hostas Xeriscape Daylilies Aroids Region: Mid-Atlantic
Image
csandt
Jun 16, 2020 5:19 PM CST
At least once a day I flick the spotted lanternfly juveniles and the rose slugs into a container of soapy water. I have installed two light blue sticky traps about 5 ft. and 10 ft., respectively from the rose. Nevertheless, here are my first dismal bloom and the cringe-worthy buds that surround it. I am exasperated!

Thumb of 2020-06-16/csandt/940ab8
Thumb of 2020-06-16/csandt/df3d91

Name: Porkpal
Richmond, TX
Charter ATP Member Dog Lover Cat Lover Keeper of Poultry Keeps Horses I was one of the first 300 contributors to the plant database!
Garden Ideas: Level 2 Plant Identifier Raises cows Roses Farmer Celebrating Gardening: 2015
porkpal
Jun 16, 2020 5:41 PM CST
It seems so unfair to have your only rose so abused!
Porkpal
Name: Mike Stewart
Lower Hudson Valley, New York (Zone 6b)
I was one of the first 300 contributors to the plant database! Photo Contest Winner 2020 Garden Photography Roses Bulbs Peonies
Lover of wildlife (Black bear badge) Dog Lover Cat Lover Birds Enjoys or suffers cold winters Region: New York
Image
Mike
Jun 16, 2020 7:40 PM CST
Yikes!
Name: Carol H. Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Region: Pennsylvania Growing under artificial light Foliage Fan Bookworm Annuals
Roses Hostas Xeriscape Daylilies Aroids Region: Mid-Atlantic
Image
csandt
Jun 19, 2020 7:13 AM CST
Since I moved to a retirement community a year ago, I have had very limited space for plants. Consequently, as soon as I saw the sorry state of my one and only blooming rose and the unpromising state of the buds near it, I began seriously thinking of removing this plant. After all, I had applied systemic pesticide/fertilizer three times, hung two blue sticky traps nearby, and manually removed all the pests I saw at least once a day.

However, as if reading my mind, my one and only bloom began to curl its petals downward, hiding its deformities, and looking a lot more attractive.
Thumb of 2020-06-19/csandt/426009
So I decided to bring the bloom inside. Then I knew why the previous residents had left this rose in place: the fragrance! The BEGUILING, FABULOUS fragrance!
Thumb of 2020-06-19/csandt/b039c4
So, for the moment, I feel a lot like the Little Prince, with a love-hate (mostly love at the moment) relationship with my one and only rose. So I have shelved thoughts of removing the rose, as least for now.

« Garden.org Homepage
« Back to the top
« Forums List
« Roses forum
Only the members of the Members group may reply to this thread.

Member Login:

[ Join now ]

Today's site banner is by Baja_Costero and is called "Heart of darkness"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.