Tiger egg on my Spicebush I think

christie_sw_mo(Z6)August 20, 2011

Normally I have to do a lot of searching to find a Spicebush Swallowtail egg or cat on my spicebushes but lately, I've had to do a lot of searching to find a little branch to bring in for my babies that doesn't already have eggs and cats on it. It's so weird to have so many this year. Anyway, in my searching, one egg was bigger and yellow green instead of creamy white. I think it might be an Easter Tiger Swallowtail egg. Is there anything else it might be? I brought it in on the leaf to see what happens.

I haven't found any eggs or cats on my Tulip tree for a couple weeks now, even though I'm seeing quite a few Tigers around my yard. I've been checking a couple Wild Cherry trees too and none there. I was beginning to wonder if they were just done for the year.

It's good to know the Tigers will use Spicebush too if that's what it is. My Tulip tree gets black stuff on the underneath side of the leaves that looks like some kind of fungus or something. It's not on all the leaves but maybe that's turning them away.

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misssherry(Z8/9SE MS)

I have read that tigers will use spicebush, Christie, so it could indeed be a tiger egg.
In my experience the eggs are pure green, so green they blend in with the leaf they're on, but I also know that the color of butterfly eggs varies from one individual to the other. Giant swallowtail eggs can range from greenish yellow to orange, and pipevine swallowtail eggs come in various shades of red.
Here's a picture of a tiger egg -

Sherry

    Bookmark   August 20, 2011 at 10:24AM
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christie_sw_mo(Z6)

My prickly ash isn't far away. Hope it wasn't a Giant Swallowtail that missed. It's still an egg this morning. I think it's probably a tiger. If I can't tell what it is when it hatches, I will post a photo.

    Bookmark   August 21, 2011 at 8:42AM
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christie_sw_mo(Z6)

Update - It wasn't a swallowtail at all, but some kind of hornworm. It's very light green with a dark tail.
It's crawling around a lot. I'm not sure it's happy in the container with the spicebush leaves. I put some tomato leaves in there to see what it would do.

    Bookmark   August 23, 2011 at 11:25AM
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KC Clark - Zone 2012-6a OH

I've tried raising TSTs on spicebush, both on the plant and in containers. The cats eat it for a few days but always end up dying. I recommend avoiding using spicebush for TSTs unless you have extra eggs for experimentation.

    Bookmark   August 23, 2011 at 1:12PM
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cecropia(z5 Oh)

I've never found a tiger on spicebush,but recently found two fifth instar cats on cucumber tree (Magnolia acuminata?) This was a first for me and I'm wondering how frequently they use this as a hostplant?

    Bookmark   August 24, 2011 at 1:50PM
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