Butterfly colonies

[fred_heath at power-one.com]

     A quick question in return: Are there distinguishing male/female 
     characters in the Buckeye? If so what are they?
                                                ----Thanks, Fred


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>In particular, we're interested in starting colonies from local, 
>wild-caught butterfly varieties.  Our lab currently focuses on 
>experiments with Buckeye (Precis coenia), and has had a successful colony 
>for several years.  Branching out, however, raises a few 
>problems/questions:
     
>1-Are there distinguishing male/female characters in black swallowtails?
   >What larval hostplant has worked best for these?  Queen Anne's Lace,
     >parsely, dill?