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Giant Silkmoth Life Cycle - Hyalophora euryalus

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Uploaded by on Jun 26, 2007

This collection of still and video images shows the complete life cycle of the Euryalus Silkmoth (Hyalophora euryalus) from mating to emerging. Included are all 5 phases (instars) of the very colorful larva, time lapse and live action sequences of adults expanding/flexing their wings, and egg-laying video. The music is "Ocean View" by TECHNICIAN. Much more butterfly and moth video, photography, and documentation, available free to the public, can be found at http://lepidoptera.jcmdi.com/index.html

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Uploader Comments (jcmegabyte)

  • I'd seen these moths before, but I had no idea where they came from and what they were. Silkworm?!? I'm amazed. Wonderful video, very educational. Thanks for putting this together!

  • This particular species is found all over the western US - especially in the mountains, so if you are anywhere near some wilderness you could get these at your porch lights in March and April. The Giant Silkmoth family (Saturniidae) consists of about 1500 species worldwide, and includes the commercial silkworm too, although that species has been dependant on man for thousands of years and can't even survive in the wild any more. Thanks for watching! :-)

  • @jcmegabyte the commercial silk moth is in the family Bombycidae, not Saturniidae

  • Thanks for pointing that out  - I tend to lump all the silkmoths into one big group :-)

  • Really fascinating work and larvae,Chris!

    You know,H.euryalus is actually bigger than S.pyri.

    You really have amazing bugs in your area.

  • Yea, Eury's can get big - some of the females can get up to 6" across, but even so, they do only have 5 instars. Strange...

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  • Odds are good you have a Saturniidae (Wild Silkmoth) cocoon if it's large like this one.Definitely shoot and upload some video, and also note what what part of the country you are in and the kind of plant/tree that you found the cocoon on, as that info will also help with ID. :-)

  • I am in LOVE with your bug videos! I actually found them after finding a huge cocoon outside. It had a large hole in it, so I assumed the caterpillar inside was eaten at by something. I cut away the cocoon though, and he wiggled like a little madman! I don't know what it is, but it looks similar to the pupae in this video. I was curious if maybe you could identify him if I uploaded a video of him...?

  • Not at all. They cannot bite or sting. The caterpillars have an amazing grip but are otherwise big, fat, and harmless. XD The adult moths have no mouthparts whatsoever and can't even eat! Once they change from caterpillar to moth (metamorphosis) they live entirely on stored fat and only have a week or so to live before they "run out of gas" and die. Pretty amazing critters :-) Thanks for checking it out!

  • Are they poisoness?

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