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Google
Tomato Horn Worm ? ID
+23
CapeCoddess
sanderson
countrynaturals
Weedless_
Triciasgarden
llama momma
twodaend
memart1
Denese
UnderTheBlackWalnut
Nonna.PapaVino
walshevak
sherryeo
FarmerValerie
ModernDayBetty
Goosegirl
happycamper
FamilyGardening
boffer
MarcyG
Tril
camprn
NHGardener
27 posters
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Tomato Horn Worms!
They got into my pepper plants! GRRRRRR!!!! Thank goodness I checked before they got them all, but now what do I do? Cut the plant back to nothing? Just cut off the chewed peppers and hope for the best? Something else?
Going back out, now, to see if I missed any of the nasty, creepy things. (I'll probably have nightmares, tonight. )
Going back out, now, to see if I missed any of the nasty, creepy things. (I'll probably have nightmares, tonight. )
Re: Tomato Horn Worm ? ID
Yikes! They hit them bad. You can spray with a BT solution, or for future preventive measure, cover tightly with tight netting or bridal tulle. I have cabbage caterpillars and squash bugs on my tomato plants!
Re: Tomato Horn Worm ? ID
Bump
43 years a gardener and going strong with SFG.
https://squarefoot.forumotion.com/t3574-the-end-of-july-7-weeks-until-frost
There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance. ~ Henry David Thoreau
https://squarefoot.forumotion.com/t1306-other-gardening-books
Re: Tomato Horn Worm ? ID
I guess I need to be more vigilant -- I lost 7 little peppers in just 4 hours. No more damage this morning at least. I don't want to spray anything out there. I know what cabbage caterpillars look like, but I'm not familiar with squash bugs. Time for another "search."sanderson wrote: Yikes! They hit them bad. You can spray with a BT solution, or for future preventive measure, cover tightly with tight netting or bridal tulle. I have cabbage caterpillars and squash bugs on my tomato plants!
Re: Tomato Horn Worm ? ID
Hornworms eat peppers? Crud! Well, they'll have to get by my braconid wasps first.
CC
CC
CapeCoddess- Posts : 6824
Join date : 2012-05-20
Age : 68
Location : elbow of the Cape, MA, Zone 6b/7a
Re: Tomato Horn Worm ? ID
Devastating. I feel your pain. I got 2 peppers off my 2 plants, and they were the ones already established from the big box store...that is it.
Maters did better.....and hopefully this year will be even better!
Hang on, baby!
Maters did better.....and hopefully this year will be even better!
Hang on, baby!
Last edited by Scorpio Rising on 6/25/2016, 8:15 pm; edited 1 time in total (Reason for editing : Added)
Scorpio Rising- Posts : 8687
Join date : 2015-06-12
Age : 62
Location : Ada, Ohio
Re: Tomato Horn Worm ? ID
And aubergine plants too.CapeCoddess wrote:Hornworms eat peppers? Crud! Well, they'll have to get by my braconid wasps first.
CC
43 years a gardener and going strong with SFG.
https://squarefoot.forumotion.com/t3574-the-end-of-july-7-weeks-until-frost
There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance. ~ Henry David Thoreau
https://squarefoot.forumotion.com/t1306-other-gardening-books
Re: Tomato Horn Worm ? ID
That's where these came from. I have yet to get a pepper seed to sprout, but I will keep trying (I think my current seeds came from a bad source.)Scorpio Rising wrote:Devastating. I feel your pain. I got 2 peppers off my 2 plants, and they were the ones already established from the big box store...that is it.
Re: Tomato Horn Worm ? ID
Hey Country Naturals, you gave me an idea with your last post. I started to do some research on the dreaded tomato horn-worm (THW). Maybe if I know what they look like in their other forms I would be able to deal with them a little better. So now I am looking for the moths and the pupae. After going back over this thread I see some of the wonderful folks on this site have given some info and pics, I hope to add to that info to help out others.
I tend to look every night for my local summertime resident bats. They do real damage to mosquitoes. In the time I am looking for the bats I get to see numerous other nighttime creatures. Big moths always fly through my flashlight beams. Sometimes when I am working in the barn at night the moths come into the barn to the lights. Some can be pretty, especially the Luna and other hawk type moths. The THW moths (Manduca quinquemaculata) is a brown and gray five-spotted hawkmoth.
Here is a pic I got off of the internet, these moths are kind of large, with a wing span average of 4-5 inches,(a dollar bill is just a little over 6 inches.)
I don't know how many of the pupae I have run across in all my years of gardening, but I always crush what I now know are the pupae of horn worms, they can get to be just under 2 inches long, here is a pic:
So now I am a little better prepared to fight these horrible pests. Thanks.
Rock
I tend to look every night for my local summertime resident bats. They do real damage to mosquitoes. In the time I am looking for the bats I get to see numerous other nighttime creatures. Big moths always fly through my flashlight beams. Sometimes when I am working in the barn at night the moths come into the barn to the lights. Some can be pretty, especially the Luna and other hawk type moths. The THW moths (Manduca quinquemaculata) is a brown and gray five-spotted hawkmoth.
Here is a pic I got off of the internet, these moths are kind of large, with a wing span average of 4-5 inches,(a dollar bill is just a little over 6 inches.)
I don't know how many of the pupae I have run across in all my years of gardening, but I always crush what I now know are the pupae of horn worms, they can get to be just under 2 inches long, here is a pic:
So now I am a little better prepared to fight these horrible pests. Thanks.
Rock
bigdogrock- Posts : 440
Join date : 2016-04-17
Location : NH
Re: Tomato Horn Worm ? ID
The moths are magnificent, BigDog. Actually, so are the worms. It's a real shame they do so much damage. I hate to destroy almost any of Nature's wonderful creatures, but these guys are a sad exception.
Re: Tomato Horn Worm ? ID
Pride goeth before the fall. I've been happy about the mockingbirds eating Japanese beetle and tomato worms. Looks like they missed this huge one. Sorry, he is not in proper profile for full impact. He is same distance from iPhone as my hand.
Re: Tomato Horn Worm ? ID
Never seen one of those in my garden and don't want to. I probably just jinxed myself by saying that.sanderson wrote:Pride goeth before the fall. I've been happy about the mockingbirds eating Japanese beetle and tomato worms. Looks like they missed this huge one. Sorry, he is not in proper profile for full impact. He is same distance from iPhone as my hand.
trolleydriver
Forum Moderator- Posts : 5395
Join date : 2015-05-04
Age : 76
Location : Ottawa, Ontario, Canada
Re: Tomato Horn Worm ? ID
I have had them....bad news. The ones I saw here had the little white wasp eggs on them, so you are supposed to let them be. That is what I did....they eat a lot though. There is a parasitic wasp that destroys the worm and releases lots of natural killers. Braconids? Need to look it up.
http://www.agardenforthehouse.com/2011/08/when-not-to-kill-a-tomato-hornworm/
Yep.
http://www.agardenforthehouse.com/2011/08/when-not-to-kill-a-tomato-hornworm/
Yep.
Scorpio Rising- Posts : 8687
Join date : 2015-06-12
Age : 62
Location : Ada, Ohio
Re: Tomato Horn Worm ? ID
Isn't that the truth.trolleydriver wrote:Never seen one of those in my garden and don't want to. I probably just jinxed myself by saying that.
Re: Tomato Horn Worm ? ID
I was wondering, what is the thoughts on using the commercial bacteria bacillus thuringiensis (or Bt)? I was told a long time ago, forgot by whom, that it was OK for organic gardens.
I have used it in the past, but that was a long time ago. It worked EXTREMELY WELL, VERY QUICKLY. It took only a few minutes to mix, in a hand pump sprayer bottle and lasted for a while. My neighbors used what I didn't use and I still had a bunch left over. It is a "A little dab will do ya" type thing. I used to just spray on the plants that had the hornworm droppings on the lower leaves and around the bottom of the plants. I see the black tubular shaped droppings before I see the damage to the tomatoes. The smaller the droppings, the smaller the hornworms (and hopefully not much damage to the plant). A quick couple of pumps from the spray bottle and no more hornworms in what seems like a few hours.
There is another Bt type of thing out now for wide broadcast use to kill mosquito larvae in the early stages, seems to work well.
I have used it in the past, but that was a long time ago. It worked EXTREMELY WELL, VERY QUICKLY. It took only a few minutes to mix, in a hand pump sprayer bottle and lasted for a while. My neighbors used what I didn't use and I still had a bunch left over. It is a "A little dab will do ya" type thing. I used to just spray on the plants that had the hornworm droppings on the lower leaves and around the bottom of the plants. I see the black tubular shaped droppings before I see the damage to the tomatoes. The smaller the droppings, the smaller the hornworms (and hopefully not much damage to the plant). A quick couple of pumps from the spray bottle and no more hornworms in what seems like a few hours.
There is another Bt type of thing out now for wide broadcast use to kill mosquito larvae in the early stages, seems to work well.
bigdogrock- Posts : 440
Join date : 2016-04-17
Location : NH
Re: Tomato Horn Worm ? ID
Love seeing beneficial insects in the gardens! Having been an organic gardener for many decades, I am always looking towards improving pest control. Today I was checking on a volunteer cherry tomato that came up in a flower garden, and noticed Braconid Wasps have been doing their job in controlling the Tomato Hornworm. At this point the hornworm is no longer able to eat, so they are no longer a danger to the tomato plant. And, very soon there will be a lot of new Braconid Wasps coming out to search for more hornworms. When the wasp emerges from the little white cocoon, the end of it is open and we know they have completed their cycle.
I did not find any hornworms that were not infected with the Braconid Wasp, but I did see the Sphinx Moth flying about so there will be more soon.
I did not find any hornworms that were not infected with the Braconid Wasp, but I did see the Sphinx Moth flying about so there will be more soon.
"In short, the soil food web feeds everything you eat and helps keep your favorite planet from getting too hot. Be nice to it." ~ Diane Miessler, "Grow Your Soil"
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