Comments for
Brown Moth (Walnut sphinx moth)

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Walnut sphinx moth
by: Moni

Vernon
Thank you for all those years of research on the Sphingidae of Louisiana!!!
As an entomologist and scientist I know how valuable that information is for us today and for the future generations that follow us!!
Confirmation and scientific name for Walnut Sphinx
by: Vernon Antoine Brou Jr.

This species of the family Sphingidae is one of 55 recorded for the state of Louisiana. I completed a 30-year study of this moth family in the state of Louisiana and this is a fairly common species encountered, The larvae feed upon walnut, hickories, pecan, and butternut. You can download a free pdf copy of the first 26-years of the published study at this Louisiana State Univ. link:
Brou, Vernon A. and C.D. Brou 1997. Distribution and phenologies of Louisiana Sphingidae. Jour. Lepid. Soc. 51:156-175.
This and several other articles concerning other Louisiana sphinx moths are also available for free downloading in pdf format at this link: http://entomology.lsu.edu/lsam/Brou.htm
This species has in recent years changed genus from Cressonia juglandis to Lathoe juglandis, to Amorpha juglandis, all these names refer the the same species.
Vernon Antoine Brou Jr.
Walnut sphinx moth
by: Moni

Tracy
This is a walnut sphinx moth not a mournful...tho they are in the same family of moths...great job!
Your moth is found all over the Eastern half of the US and Canada.
They are found in fields and wooded areas. The caterpillars feed on not only walnuts but hornbeams, butternut, hickory, cherry, beech and alder. The adults do not feed.
Down where you are they may be seen year round.
It is said that the caterpillars make a whistle like hiss when handled and jerk their body around when bothered.
Great find and photo...thanks for sharing it!

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