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Caterpillars on my Dill
That's probably the same wasp that parasitizes the tomato hornworm. So, I
think I'd leave it be. Steve "Omelet" wrote in message news In article , EV wrote: Ann wrote: Charlie expounded: I'm curious. Maybe I'm the only one to have done this. I smell a lot of things, I mean I sniff things. The Black Swallowtail catepillars, when gently touched, poke out their antennae, or whatever they are called, It's called an osmeterium, and all swallowtails have one. get all kinds of defensive and leave a smell on your finger that is really .......pungent. The reason that they get defensive is because the wasps that want to parasitize them like to lay their eggs on the back of the caterpillar's head, where it can't reach around and pick the parasite egg off. The osmeterium (the orange forked organ) is on the back of the caterpillar's head where it has the best shot of deterring the wasps with its pungent parsley fart. In my experience it's not a very effective way to deter wasps. Unless I find the pillars by the 2nd instar, latest, when they still look like a tiny bit of bird poop, there's almost no chance that a wasp hasn't got to it. I found one in my parsley and put it in a bug box with as much food as it wanted. It's pupating now. Should be out in a week or two. Then, after a photo op, I will release it, of course. Hope it hatches for you! Any chance at controlling the wasps in your area? You can get wasp traps! -- Peace, Om Remove _ to validate e-mails. "My mother never saw the irony in calling me a Son of a bitch" -- Jack Nicholson |
#17
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Caterpillars on my Dill
Steve Peek wrote: That's probably the same wasp that parasitizes the tomato hornworm. So, I think I'd leave it be. Steve We have lots of Ichneumon wasps which are the man parasite in this neck of the garden. I don't tend to interfere unless the balance is way out of kilter. Most years things are in balance. "Omelet" wrote in message news In article , EV wrote: Ann wrote: Charlie expounded: I'm curious. Maybe I'm the only one to have done this. I smell a lot of things, I mean I sniff things. The Black Swallowtail catepillars, when gently touched, poke out their antennae, or whatever they are called, It's called an osmeterium, and all swallowtails have one. get all kinds of defensive and leave a smell on your finger that is really .......pungent. The reason that they get defensive is because the wasps that want to parasitize them like to lay their eggs on the back of the caterpillar's head, where it can't reach around and pick the parasite egg off. The osmeterium (the orange forked organ) is on the back of the caterpillar's head where it has the best shot of deterring the wasps with its pungent parsley fart. In my experience it's not a very effective way to deter wasps. Unless I find the pillars by the 2nd instar, latest, when they still look like a tiny bit of bird poop, there's almost no chance that a wasp hasn't got to it. I found one in my parsley and put it in a bug box with as much food as it wanted. It's pupating now. Should be out in a week or two. Then, after a photo op, I will release it, of course. Hope it hatches for you! Thanks. It's still pupating. It's one of the brown type EBS chrysalids. Any chance at controlling the wasps in your area? You can get wasp traps! -- Peace, Om Remove _ to validate e-mails. "My mother never saw the irony in calling me a Son of a bitch" -- Jack Nicholson |
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