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OT: Butterfly attractors

From: Bill Shear <BILLS@hsc.edu>

Are you folks sure you are finding Monarch caterpillars on parsley and
dill, and not swallowtails?

My references and experience say that monarchs feed on milkweed and dogbane
and related plants, from whence they translocate the chemicals that make
them poisonous.  Likewise, tiger swallowtails and a few others in that
group feed on umbellifers (the parsley-dill family).

Bill Shear
Department of Biology
Hampden-Sydney College
Hampden-Sydney VA 23943
FAX (804)223-6374

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