Help;Polyphemus,Citheronia

[Eric or Pat Metzler]

Mark,

What do:  Ferguson, Moths of America North of Mexico, Tuskes et al, Wild
Silk Moths of North America, say about this?

Eric Metzler

HHuf wrote:
> 
> I live outside Detroit, Michigan. I had a female Polyphemus emerge in May. It
> attracted a wild male and had a successful mating. The female was a second
> brood specimen from a southern location. I am wondering if Polyphemus in double
> brooded in my area. Some of the larve are in the 3rd instar. I cannot imagine
> that they will pupate and overwinter. Since she called a local male I assume
> the local population had started flying. I dont want to end up with a brood of
> adults emerging in august. Any clues anyone? Also I have 4 Regal pupae that
> have overwintered in a styrofoam box covered with 5 inches of peatmoss. I
> checked them yesterday.They are alive but show no signs of emerging. The larva
> were given to me last season so I dont know their proper schedule. What time
> frame would be proper for emergence in my area. Is there any specific
> procedures I should take?
> Thanks in advance, Mark