Fw: Pieris yreka

Cris Guppy or Aud Fischer cguppy at quesnelbc.com
Tue Oct 24 01:56:42 EDT 2000

Here is a re-send of what was blanked out previously.

-----Original Message-----
From: Cris Guppy or Aud Fischer <cguppy at quesnelbc.com>
To: leps-l at lists.yale.edu <leps-l at lists.yale.edu>
Date: Sunday, October 22, 2000 10:02 PM
Subject: Re: Pieris yreka

>From the context within his paper I believe that Shapiro simply assumed P.
>yreka was a "European" P. rapae, without thinking about subspecies
>cruciferae. It is quite likely that that the P. yreka population resulted
>from larvae or pupae on cabbage on a European ship ariving in California,
>having voyaged "around the Horn". However, if someone has access to the P.
>yreka type, it would be worth having a look at it to see if subspecies can
>be reliably determined. Perhaps the stock came via a Chinese or Japanese
>ship arriving in California.
>-----Original Message-----
>From: Guy Van de Poel <Guy_VdP at t-online.de>
>To: drdn at mail.utexas.edu <drdn at mail.utexas.edu>; leps-l at lists.yale.edu
><leps-l at lists.yale.edu>
>Date: Monday, October 16, 2000 2:57 PM
>Subject: Pieris yreka
>>Eitschberger, [1984]  mentions Shapiro, 1977:
>>"... I [Shapiro] noticed that , in the same paper as he describes
>>_castoria_, Reakirt also describes _Pieris yreka_. Now, this is rather an
>>infamous description since it can only apply to _rapae_  - and the type,
>>the Field Museum, _is_ a spring _rapae_ - thus implying that _rapae_ was
>>California before 1867, which is inconsistent with the idea of a single
>>introduction in southern Canada about 1860 - ..."
>>Shapiro seems to have seen the type, but does not mention whether it is
>>rapae or ?crucivora.
>>I would appreciate any extra information on this subject.
>>-----Original Message-----
>>From: Chris J. Durden <drdn at mail.utexas.edu>
>>To: leps-l at lists.yale.edu <leps-l at lists.yale.edu>
>>Date: zondag 15 oktober 2000 19:17
>>Subject: Re: Celebrity Death Match
>>>>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
>>>>>Butterflies in any of the lower 48 states.  All cabbages in the states
>>>>>from a single introduction, and they are a pest in most areas.
>>>>>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
>>>>>derived from more than one introduction. The first was an accidental
>>>>>Quebec about 1859, and then a deliberate importation followed by
>>>>>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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