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Post by timsbugs on Jul 25, 2011 12:48:26 GMT -8
I found this guy on my house, in Regina Saskatchewan Canada. I have him on apple at the moment, but doesn’t seem interested. Thanks for any help. Tim Attachments:
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Post by bluemoth on Jul 26, 2011 15:59:27 GMT -8
Yes you are right it is a sphinx larva. I did a quick serch and came up with the following posible species for canada that fly late July and into August if the pupa dos not go dorment.
(1) Spinx canadensis, host plants ash, blueberry
(2)Lintneria eremitus, host plants lycopus, mentha, monarda, salvia
(3)Sphinx perelegans, host plants arctostapbylos, arbutus, prunus, cercocarpus
You may want to try pine in case it is one of the pine eaters to. Put a bunch of leaves with larva and see what ones it likes.
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Post by oehlkew on Jul 26, 2011 17:30:32 GMT -8
That one is larva of Hemaris diffinis, the Snowberry Clearwing My Sphingidae of Saskatchewan thumbnail checklist for larvae is at www.silkmoths.bizland.com/Sphsaskatchewanlarvae.htmI request permission to post image to or from a link on diffinis file? Please send full name for credit purposes if permission is granted. Bill Oehlke |
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Post by timsbugs on Jul 26, 2011 20:35:53 GMT -8
Thanks Bill, that's the one.
I'll move it to a blue berry shrub in the morning.
I will send you some full size pictures.
Tim
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Post by oehlkew on Jul 27, 2011 0:32:13 GMT -8
Tim,
Larva appears mature, but I am not aware of them feeding on blueberry, and may be ready to pupate.
Larval host plants include Snowberry (Symphoricarpos), honeysuckle (Lonicera), Coralberry, viburnums, Blue Dogbane (Apocynum) and dwarf bush honeysuckle (Diervilla lonicera). Horn is black with a yellow base.
Bill Oehlke
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Post by timsbugs on Jul 30, 2011 10:40:02 GMT -8
Good news, it pupated!
When should I expect it to eclose?
Is it best to just leave it in the sleeve that it pupated in?
Thanks again in advance for any help.
Tim
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Post by oehlkew on Aug 1, 2011 15:43:10 GMT -8
Often the northern Sphingidae will try for a second brood, sometimes even when there is absolutely no chance a second brood will get through.
If it is going to emerge, I suspect it will happen two to three weeks after pupation date, but I would not put it in cold storage until middle of September. It might not eclose until spring.
If you can send a picture of the pupa, that would be appreciated.
Edna Woodward recently sent me images of an Hemaris thetis pupa from Oregon, and I have my own image of Hemaris thysbe pupae from PEI, but I do not have images of Hemaris diffinis or Hemaris gracilis pupae.
Bill Oehlke
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