Pigmented band in Limenitis?
Sean Patrick Mullen
spm23 at cornell.edu
Sun Mar 3 08:47:31 EST 2002
I'm curious as to the source of the white-banding seen in European
and Eurasia Limenitid butterflies. I'm working on Limenitis arthemis
here in the states and the situation is as follows: L. a. arthemis in
eastern Canada and the northeastern U.S. have scales with no pigment
and, hence, reflect white light. L. a. rubrofasciata, on the other
hand, has a cream colored pigment in its medial bands.
So, my question is: Which is ancestral? Pigmented "white" banding or
unpigmented "white" banding? Appreciate your thoughts. My guess is
that L. a. arthemis has secondarily lost pigment in these bands.
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