cocoon on spirea

Doug Yanega dyanega at
Mon Mar 10 12:54:39 EST 2003

>Hi All,
>If John's measurements are correct on website the cocoon is much too 
>small for either cecropia or polphemus.
>Cecropia cocons are usually at least three inches long and tapered 
>sometimes at both ends, always near the top.
>Polyphemus cocoons are at least 1/2-3/4 inch wide and about 1-1.5 
>inches long. Usually they are not affixed to twigs unless suspended 
>by a shrt peduncle.
>Pictures of cocoons of both species in the polyphemus article at 
>If dimensions are correct, then it is probably a small moth with 
>wingspan about 1 inch.

Sorry, I didn't notice the text on the dimensions - I just saw a 
cocoon attached to a twig.

Doug Yanega        Dept. of Entomology         Entomology Research Museum
Univ. of California - Riverside, Riverside, CA 92521
phone: (909) 787-4315 (standard disclaimer: opinions are mine, not UCR's)
   "There are some enterprises in which a careful disorderliness
         is the true method" - Herman Melville, Moby Dick, Chap. 82
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