<HTML><HEAD><TITLE>Regarding the occurrence of Eristalis transversa in Europe</TITLE>
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<DIV>All:</DIV>
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<DIV>Obviously without any kind of voucher, etc., one should simply ignore this
claim.</DIV>
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<DIV>BUT if this is real, then this person should be able to produce a voucher.
Eristalis transversa is a distinctive species, so even an image would be good
enough;</DIV>
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<DIV>As for the general aspects, I have been surprised to see that some
RAT-TAILED maggots have great expanded their range and have become established
far outside of their normal range.</DIV>
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<DIV>One such species is Palpada vinetorum which is now widespread around the
Pacific islands. And then Eristalinus taeniops has become established in
California and Florida.</DIV>
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<DIV>So, I do not discount an American (Nearctic) species, such as Eristalis
transversus, which is one of the most abundant species around here, becoming a
new immigrant in Europe, BUT we need documentation via vouchers, etc.</DIV>
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<DIV>Sincerely,</DIV>
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<DIV>Chris</DIV>
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<DIV>from home</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=andrius@gamtoj.com
href="mailto:andrius@gamtoj.com">Andrius</A> </DIV>
<DIV><B>Sent:</B> Monday, May 16, 2011 3:28 PM</DIV>
<DIV><B>To:</B> <A title=syrphidae@lists.nottingham.ac.uk
href="mailto:syrphidae@lists.nottingham.ac.uk">Hoverfly discussion list</A>
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<DIV><B>Subject:</B> [Syrphidae] Regarding the occurrence of Eristalis
transversa inEurope</DIV></DIV></DIV>
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style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 9pt">Hello everyone,<BR><BR>I
would like to ask whether anyone knows about the occurrence facts of Eristalis
transversa in Europe. The thing is that one of our students did a research on
local fauna of Syrphidae here in Lithuania and caught one specimen that she
rather confidently claims to be Eristalis transversa, which is actually a
N.American species. I haven't yet seen the specimen myself and I don't know what
publication or key to use in order to confirm/reject the identification, so I am
asking for some help with this too. <BR>Thank you in advance for any ideas or
suggestions regarding this matter. <BR><BR><BR>Andrius
<BR><BR>-----------------<BR>Dr. Andrius Petrasiunas<BR><BR>Vilnius
university<BR>Faculty of Natural Sciences<BR>Department of Zoology<BR>Ciurlionio
st. 21/27<BR>LT 03101 Vilnius, Lithuania<BR>
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