[Syrphidae] Syrphids from Manhattan

[christian thompson]

Andre:

Yes, the first two (1 (female), 1a (male)) are Toxomerus geminatus (Say) and as it was Manhattan the other is Eupeodes americanus (Wiedemann).

And Syritta pipiens is the only Syritta that occurs in the Northeastern USA. Syritta flaviventris is known only from southern most Texas.

Cheers

F. Christian Thompson
Systematic Entomology Lab., USDA
c/o Smithsonian Institution
MRC-0169 NHB
PO Box 37012
Washington, DC 20013-7012
(202) 382-1800 voice
(202) 786-9422 FAX
cthompso at sel.barc.usda.gov e-mail
www.diptera.org  web site

>>> a.van.eck at hccnet.nl 06/14/06 03:07PM >>>
Hi Wouter,

Thank you for your help. Guess this is as far as we come from only these few pictures, it's more than I could hope for!

Greetings, André


----- Original Message ----- 
From: Wouter van Steenis 
To: Hoverfly discussion list 
Sent: Sunday, June 11, 2006 11:55 PM
Subject: Re: [Syrphidae] Syrphids from Manhattan


Dear Andre,

The two smaller flies are indeed Toxomerus geminatus, as they are from the east coast. In the west lives the pretty similar T. occidentalis. The third picture is an Eupeodes of the americanus group. Both E. pomus and E. americanus occur in the north-east coast of North America.

The Eristalis could belong to several species without more detailed description. The Syritta probably will have been a S. pipiens as this is by far the most common species in North-America.

Best wishes

Wouter

Wouter van Steenis
Vogelmelk 4
3621 TP Breukelen
The Netherlands
+31 (0) 346 264671
w.vansteenis at andros.demon.nl. 
  ----- Original Message ----- 
  From: André van Eck 
  To: Hoverfly discussion list 
  Sent: Friday, June 09, 2006 5:47 PM
  Subject: [Syrphidae] Syrphids from Manhattan


  Last week I was in Manhattan, without net though...
  Found some syrphids at a nice little mutual garden. Any ideas about the species?
  One Eristalis I couldn't get on digit film (looked like a Eristalis interrupta female, with its unspotted abdomen and white hindmargins of tergites). Also around was Syritta pipiens (I assume it is this species).

  Friendly greetings, André


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