[Taxacom] Sargasso sea flies (Diptera)

Mathis, Wayne MATHISW at si.edu
Tue Aug 28 13:52:14 CDT 2007


Although Coelopidae are unlikely, your short list should include
Ephydridae and Canacidae along with Chironomidae. A specimen or two is
needed.

Wayne Mathis

-----Original Message-----
From: taxacom-bounces at mailman.nhm.ku.edu
[mailto:taxacom-bounces at mailman.nhm.ku.edu] On Behalf Of Richard Heard
Sent: Tuesday, August 28, 2007 2:35 PM
To: 'Doug Yanega'; TAXACOM at mailman.nhm.ku.edu
Subject: Re: [Taxacom] Sargasso sea flies (Diptera)



There is a species chironomid that occurs in reef areas off southern
Florida
and into the Caribbean to depths of 30+ meters.  The larva of this truly
marine species, which has an abbreviated adult stage, is greenish in
color
rather than reddish as in most other types of chironomid larvae.
Unfortunately, I can't think of the genus name at the moment.  

One should do some light formalin washings of the Sargassum where the
flies
are commonly observed and look in the residue for the larva.

RWH

-----Original Message-----
From: taxacom-bounces at mailman.nhm.ku.edu
[mailto:taxacom-bounces at mailman.nhm.ku.edu] On Behalf Of Doug Yanega
Sent: Tuesday, August 28, 2007 11:57 AM
To: TAXACOM at mailman.nhm.ku.edu
Subject: Re: [Taxacom] Sargasso sea flies (Diptera)

>I have a ornithologist friend who is desperate to know what species 
>of fly he is finding in huge numbers in the Sargasso sea.  It
>apparently breeds there.  Might anyone suggest a taxon?

About the only fly family including multiple genuinely marine taxa I 
know of would be the Chironomidae, so that would be the logical prime 
suspect. I sort of doubt that Coelopids (seaweed flies) could live in 
open water, and, likewise, Ephydrids and Canaceids also seem a little 
iffy - but that would be my short list.

Peace,
-- 

Doug Yanega        Dept. of Entomology         Entomology Research
Museum
Univ. of California, Riverside, CA 92521-0314        skype: dyanega
phone: (951) 827-4315 (standard disclaimer: opinions are mine, not
UCR's)
              http://cache.ucr.edu/~heraty/yanega.html
   "There are some enterprises in which a careful disorderliness
         is the true method" - Herman Melville, Moby Dick, Chap. 82

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