Controlling Tobacco Hornworm Video

By: Guest More than a year ago

First of all, I agree with the previous comment. Secondly, as a person who raises various types of caterpillars, I am telling all people NOT to buy and release parasitic wasps to control tobacco/tomato hornworms. I understand it is sometimes necessary to rid your garden of these potential pests, but do not use biological control; in general, it is often unsuccessful, if not, a complete failure. In North America, there are actually dozens of different types of fascinating hornworms that turn into equally stunning hummingbird moths and only a small amount of these cause noticeable damage to garden plants. Releasing the wasps into your garden may kill the tomato/tobacco hornworms, but at the expense of possibly killing many other hornworms that feed on trees and wildflowers causing little damage to them, and no damage to your tomato plants. All are beneficial to the environment, and most don't affect our crops.

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By: Guest More than a year ago

The moth is actually a tomato, not tobacco one.

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By: Guest More than a year ago

First off, that hole in the ripening fruit may or may not have been caused by a hornworm. It looks mildly scabbed-over. A hornworm will NOT touch even a slightly turning fruit when green foliage is available! Your plants are just way too big, vigorous and healthy to sustain any real hornworm damage, so just where did you really get that caterpillar from? The cat had finished feeding and was in the cleanout stage, indicated by the stained anal end. yes, they get rather diarrheic at this stage. Yes, the moths are beneficial, too. Get real. You showed blighted, wilted leaves, NOT the telltale stripped stems from REAL caterpillar feeding. Don't blame cats for fungal damage! Lastly, that was a tobacco, not tomato hornworm. That cat also belonged in the classroom.

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Controlling Tobacco Hornworm

Dave Epstein: Hi! I’m Dave Epstein, this is Growing Wisdom. I am here with Susie Anderson of Johnny Selected Seeds and that’ll be in Maine. This is a tell-tell damaged of… Susie Anderson: The tomato horn worm, and actually though it’s tobacco hornworm to be exact. Dave Epstein: And, this is the reality of growing. Anybody that grows that you have insect, you have problems with water sometimes, sometimes it’s the weather, right. And we found one of these guys, I’m going to grab him here, this is a big, this could be kind of scary. Susie Anderson: Anybody that comes upon this is quite alarming, even if you’ve seen them multiple times. Dave Epstein: Yeah, this guy looks like it’s going to bite you and what you think it is head is actually the back side Susie Anderson: Yes Dave Epstein: And the head is actually the other side. Tell me some of the signs to look for, because homeowners really can go around their tomato plants and go looking for a couple of signs. We saw leaf damage; tell me about the things you look for. Susie Anderson: Well the first thing the homeowner would probably notice is the manure on the ground, from folly or feeding. And then you look up from finding the manure and you’ll see foliage damaged and you’ll see fruit damaged as well, and it’s very difficult but you can find them, locate and remove the pest. Dave Epstein: And then unfortunately… Susie Anderson: You must do away with it. Dave Epstein: We must kind of do away with him. We have to do away with this little guy. Although you said you gave some of these to your… Susie Anderson: Yes, my daughter’s day care has a four of these, pupating in a aquarium. And they’ll put them outside and they’ll pupate and become the hummingbird moth. Dave Epstein: Hummingbird moth, which I love. You know when you are outside I love looking at the hummingbird moth, but I’m like I don’t like you guys flying around, I know what you are going to lay in, and what ends up happening. Susie Anderson: Yup. Dave Epstein: So, tomato hornworm. A very large insect certainly does damage, part of growing tomatoes, pick them up, removed them, or other products that maybe get rid of them. Susie Anderson: Yes, it’s a caterpillar so you can actually spray any BT product, we have one called Dipel. Bacillus thuringiensis will take care of that. There’s also a parasitic wasp that lays eggs and you can purchase them thru any beneficial insect company, that will lake eggs and… Dave Epstein: Take care of him. And these also are organic way of controlling the moth. And by the way, if find one of these moths and it has little kind of white things on it, that is actually is the parasitic wasps which lays the egg in this guy and is feeding on him. And that also helps getting rid of him, leave him, he’ll be gone. So this guy’s crawling all over me. Come back every week for all our tips and helps at GrowingWisdom.com.

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Dave Epstein: Hi! I’m Dave Epstein, this is Growing Wisdom. I am here with Susie Anderson of Johnny Selected Seeds and that’ll be in Maine. This is a tell-tell damaged of…
Susie Anderson: The tomato horn worm, and actually though it’s tobacco hornworm to be exact.
Dave Epstein: And, this is the reality of growing. Anybody that grows that you have insect, you have problems with water sometimes, sometimes it’s the weather, right. And we found one of these guys, I’m going to grab him here, this is a big, this could be kind of scary.
Susie Anderson: Anybody that comes upon this is quite alarming, even if you’ve seen them multiple times.
Dave Epstein: Yeah, this guy looks like it’s going to bite you and what you think it is head is actually the back side
Susie Anderson: Yes
Dave Epstein: And the head is actually the other side. Tell me some of the signs to look for, because homeowners really can go around their tomato plants and go looking for a couple of signs. We saw leaf damage; tell me about the things you look for.
Susie Anderson: Well the first thing the homeowner would probably notice is the manure on the ground, from folly or feeding. And then you look up from finding the manure and you’ll see foliage damaged and you’ll see fruit damaged as well, and it’s very difficult but you can find them, locate and remove the pest.
Dave Epstein: And then unfortunately…
Susie Anderson: You must do away with it.
Dave Epstein: We must kind of do away with him. We have to do away with this little guy. Although you said you gave some of these to your…
Susie Anderson: Yes, my daughter’s day care has a four of these, pupating in a aquarium. And they’ll put them outside and they’ll pupate and become the hummingbird moth.
Dave Epstein: Hummingbird moth, which I love. You know when you are outside I love looking at the hummingbird moth, but I’m like I don’t like you guys flying around, I know what you are going to lay in, and what ends up happening.
Susie Anderson: Yup.
Dave Epstein: So, tomato hornworm. A very large insect certainly does damage, part of growing tomatoes, pick them up, removed them, or other products that maybe get rid of them.
Susie Anderson: Yes, it’s a caterpillar so you can actually spray any BT product, we have one called Dipel. Bacillus thuringiensis will take care of that. There’s also a parasitic wasp that lays eggs and you can purchase them thru any beneficial insect company, that will lake eggs and…
Dave Epstein: Take care of him. And these also are organic way of controlling the moth. And by the way, if find one of these moths and it has little kind of white things on it, that is actually is the parasitic wasps which lays the egg in this guy and is feeding on him. And that also helps getting rid of him, leave him, he’ll be gone. So this guy’s crawling all over me.
Come back every week for all our tips and helps at GrowingWisdom.com.

Transcription by: Scribe4you Transcription Services

Controlling Tobacco Hornworm

Controlling Tobacco Hornworm -

Controlling Tobacco Hornworm -