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Old 06-02-2011, 02:07 AM   #1
jescholler
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Default Name the pest

Can someone name the pest on my hops. They look like aphids to me, but this is my 1st year, so I'm not sure. Note the leaves are brittle and curled up in the last photos.









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Old 06-02-2011, 03:09 AM   #2
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Those are definitely aphids....haven't had them on my hops though. Maybe give them a good spraying with an insecticidal soap.

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Old 06-02-2011, 03:44 AM   #3
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If you don't have any insecticidal soap, then just give them a hard blast with a hose. It will knock down the numbers until you get a chance to pick up some insecticidal soap.

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Old 06-02-2011, 03:45 AM   #4
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Can't you buy ladybugs somehow or something? That'd kill them wouldn't it?

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Old 06-02-2011, 04:09 AM   #5
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I just sprayed some off with a spray bottle and water. Hopefully enough to keep them off until I can pick up insecticidal soap. Looking at the the home improvement websites for stores in my area, I can go with Bayer Natria or Ortho Elementals. Does anyone have experience with these and know if they are safe for hops? I'd hate to waste 24 hours waiting to see if a test area turns out OK. Then again I'd hate to lose my whole crop because I killed it with insecticidal soap.

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Old 06-02-2011, 12:54 PM   #6
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Coule be lace bugs. permethrin can be sprayed buy dont harvest for at least 2 weeks.

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Old 06-02-2011, 06:00 PM   #7
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Lady bugs will definitely eat them. You can get them at any garden center.

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Old 06-02-2011, 09:23 PM   #8
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Either of Bayer/Ortho will work just fine if you follow the directions on the label, and don't spray on a sunny afternoon. The soap will dissolve lots of the leaf's cuticle (waxy covering) and bright sun can damage the leaves for a few hours until the cuticle reforms. No need for permethrins when dealing with aphids around the house.

On a side note, those appear to be "Foxglove" aphids (Aulacorthum solani). Light body color and dark leg joints are a good visual clue. These are a species of aphids that cause more "distortion" than most. Still not a major issue, just makes the plant look funny. Just thought you might like to know why your plants look the way they do.

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Old 06-03-2011, 02:10 AM   #9
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Quote:
Originally Posted by theredben View Post
Either of Bayer/Ortho will work just fine if you follow the directions on the label, and don't spray on a sunny afternoon. The soap will dissolve lots of the leaf's cuticle (waxy covering) and bright sun can damage the leaves for a few hours until the cuticle reforms. No need for permethrins when dealing with aphids around the house.

On a side note, those appear to be "Foxglove" aphids (Aulacorthum solani). Light body color and dark leg joints are a good visual clue. These are a species of aphids that cause more "distortion" than most. Still not a major issue, just makes the plant look funny. Just thought you might like to know why your plants look the way they do.
Thanks. That helps a lot. I picked up the Bayer this morning and tested it out on a leaf with some aphids. This evening, the leaf was fine, so I treated all of my bines. I didn't see any aphids this evening, so I think I caught it early enough to control it well.

Do you mean that the Foxglove aphids won't really be detrimental to my crop, but it just may look bad? For now that's not a big deal, but I would imagine that if they got in the cones, I would pretty much be screwed. Is that accurate?
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Old 06-03-2011, 03:13 AM   #10
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I would be suprised if they decided that the cones were tasty. Aphids usually hang out on a leaf vien/stem to get access to the plant sap.

Aphids just suck the plants energy, not a big deal.

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