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-   -   Cut worms on my hop plants!!! (pics) (http://www.homebrewtalk.com/f92/cut-worms-my-hop-plants-pics-177170/)

MVKTR2 05-09-2010 11:54 PM

Cut worms on my hop plants!!! (pics)
 
Did my 2nd day of maintainance on the hop plants yesterday stripping leaves from lower 30" or so and cutting away 'extra' runners.

I also found these little black bass-turds munching on my foliage! Not a ton of them but cut worms don't need a great number to do real damage.

Suggestions for treatment options for the little buggers below?

http://i251.photobucket.com/albums/g...0/100_0986.jpg

http://i251.photobucket.com/albums/g...0/100_0984.jpg

http://i251.photobucket.com/albums/g...0/100_0982.jpg

On the bright side my plants are looking great! (other than a few cut up leaves that is!)
http://i251.photobucket.com/albums/g...0/100_0990.jpg
Nugget.

Schlante,
Phillip

B-Hoppy 05-10-2010 01:56 AM

looks more like a ladybug larvae(could be wrong though). those are 'good' bugs.

Rick500 05-10-2010 02:02 AM

They do kind of look like ladybug larvae. Hard to tell for sure from the pics though.

Cutworms don't have the spikes, as far as I know.

MVKTR2 05-10-2010 11:03 PM

This is a ladybug larvae, it's absolutely not these things. Besides do they even eat leaves. I'll give you they look similar though, but my pests are worms... leaf eating worms!!!
http://www.californiagardens.com/ima...bug-Larvae.jpg
Ladybug Larvae above

Think I'll hit em with sevin toward the end of the week if they are still around after being picked off and squashed all week. Any other ideas?

Schlante,
Phillip

B-Hoppy 05-11-2010 03:12 AM

have at it!

SOB 05-11-2010 12:32 PM

I wouldnt worry too much if there are only a couple of them but then again I dont cut off the lower 30" of my leaves either. This seems like a waste of good leaves to me. Typically a few eaten leaves arent going to harm the plant IMO but with 30" of them already gone maybe it will.

If the worms start to multiply, that's a different situation...

If you want to get rid of them I would try killing them or cutting the leaves off and moving them somewhere else before I go the sevin route.

thedude4 06-06-2010 04:03 PM

i have those caterpillars too and from what i found out there are Question Mark caterpillars. whose diet includes hops and other trees

Kickass 06-08-2010 12:03 AM

Just found about 8 of them on a leaf with many more unhatched eggs. MVKTR did you use Sevin to get rid of them or did the problem cure itself?

Chemicals aren't my first choice but I don't plan on letting this go too long before pulling the trigger.

t-bag 06-12-2010 02:34 AM

Yeah those are not cutworms. You would most likely find cutworms near the base of the plant where they eat. They will mow down your crop at the base like it has been cut hence the name. The little guys are in fact butterfly larvae of either the question mark butterfly or the hoary comma butterfly depending on where your at. You should pick one of your plants to designate as a host plant for the little critters and document their life cycle and the miracle of metamorphasis. Butterflies are beautiful creatures you should not kill them.

jjones17 06-12-2010 03:15 AM

T-Bag: You are awesome. Great advice! Share the veggies with the butterflies! The only bugs I will eradicate are overly large colonies of aphids or fruit tree worms (green ones). I like to see how the other ones operate - its fun!


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