Celebrity Death Match

Chris J. Durden drdn at mail.utexas.edu
Sun Oct 15 13:15:31 EDT 2000

>Date: Sun, 15 Oct 2000 12:14:29 -0500
>To: cguppy at quesnelbc.com
>From: "Chris J. Durden" <drdn at mail.utexas.edu>
>Subject: Re: Celebrity Death Match
>In-Reply-To: <000001c03676$327a71a0$4cdcc2cf at nysven>
>Was *Pieris yreka* Reakirt, 1866, a San Francisco introduction of the
Oriental sibling species of different chromosome number? Look at the
holotype at the Field Museum.
>.......Chris Durden
>At 08:43  14/10/00 -0700, you wrote:
>>Bruce Walsh stated: "I have absolutely no problems with releasing Cabbage
>>Butterflies in any of the lower 48 states.  All cabbages in the states stem
>>from a single introduction, and they are a pest in most areas.  Introducing
>>a few more individuals by a release certainly will cause no harm to the
>>local population (and are unlikely to significantly increase the local
>>numbers of Cabbages)."
>>Just a factual correction to the above - Cabbage Whites in North America are
>>derived from more than one introduction. The first was an accidental one at
>>Quebec about 1859, and then a deliberate importation followed by accidental
>>release at New York a few years later. There may have been additional
>>introductions later, but they would not have been noticed against the
>>existing background population of Cabbage Whites.
>>I certainly agree there is no concern with releases of small numbers of
>>Cabbage Whites.

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