New Field Guide Errors

Kondla, Norbert FOR:EX Norbert.Kondla at
Thu Jun 3 18:51:25 EDT 1999

Have been browsing through the new Peterson Western Field Guide and noticed
a few interesting things:
*	Plate 11, the figured dorsal male C. hecla and C. canadensis appear
to be transposed. The figure labelled hecla is a normal looking canadensis
and the figure labelled Canada sulphur is more like hecla but unfortunately
is missing the wide black border which is one of the best ways to separate
the two species.  Note also that the ventral hindwing of canadensis is not
normally yellow or white below; it is normally green.
*	Plate 24, the ventral views of S. hesperis and S. atlantis are
transposed. That which is labelled Atlantis Fritlllary is hesperis and vice
*	Plate 10, the figured male of chrysomelas appears to be anything but
that. Chrysomelas has quite wide dark borders and even most females have
this too.  Based on border configuration, fore wing shape and length of the
DHW dark wisp, this looks a whole lot like a C. philodice - and before any
easterners make the assertion that philodice must have ventral spots and
double spot rings on the ventral, check the original descriptions of
philodice eriphyle and vitabunda - or better yet bring your tourist dollars
to the northwest and see them in real life :-) :-)
*	Plate 19, the ventral views of comyntas and amyntula both appear to
be comyntas. Certainly in this area the 'one orange spot' character is not
as reliable as it appears to be in the east. Out this way it is best to go
with amyntula having an obviously more pointy fore wing and very little in
the way of ventral spotting.
Note that neither P. oleracea nor P. angelika always has yellow ventral
hindwings.  Haven't done any counting but seems to me that they have been
white about as often as yellow.
Norbert Kondla  P.Biol., RPBio.
Forest Ecosystem Specialist, Ministry of Environment
845 Columbia Avenue, Castlegar, British Columbia V1N 1H3
Phone 250-365-8610
Mailto:Norbert.Kondla at

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