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Photo#701108
Syrphidae,Thick-legged Hoverfly, Syritta pipiens, ID confirmation please - Syritta flaviventris

Syrphidae,Thick-legged Hoverfly, Syritta pipiens, ID confirmation please - Syritta flaviventris
Skidaway Island, Savannah, Chatham County, Georgia, USA
September 7, 2012
I feel comfortable in my identification of this submission as, "Syrphidae,Thick-legged Hoverfly, Syritta pipiens" The hind femur is strongly thickened and there are very pronouncfed serrations. There are pale wedge-shaped spots on anterior of thorax behind the head. The fly was nectaring Fogfruit, Phyla nodiflora growing tangent to brackish lagoon. BG has very fine documentation of this species.

Images of this individual: tag all
Syrphidae,Thick-legged Hoverfly, Syritta pipiens, ID confirmation please - Syritta flaviventris Syrphidae,Thick-legged Hoverfly, Syritta pipiens, ID confirmation please - Syritta flaviventris Syrphidae,Thick-legged Hoverfly, Syritta pipiens, ID confirmation please - Syritta flaviventris

Moved
Moved from Syritta pipiens.

 
Martin- most interesting as I
Martin- most interesting as I see you have reconsidered the species based upon Dill Dean's opinion the identity is Syritta flaviventris.

Thank you two for the identification!

 
yes, we learn as we go and Bi
yes, we learn as we go and Bill found a bunch of nice, easy to see characters for the two Syritta species, so we are checking all the IDs to make BG more correct! Cheers Martin

 
Martin- outstanding. I am mos
Martin- outstanding. I am most appreciative for all the midnight oil you expend in making BugGuide such a wonderful research resource into the north American insects. You bring together our in field efforts to document, as citizen soldiers, the relationships between plants and wildlife.



















insects, spiders and their kin

 
BG is outstanding, because bo
BG is outstanding, because both sides, the experts and the photographers gain a lot out of the cooperation - and most other web pages are harder on one or the other group... And often it is hard to distinguish, because I am an expert for some fly groups, but will post pictures of beetles and other things, and many photographers became experts in some groups.... And you are living in an interesting area, so please submit more photographs!! Cheers
martin

Syritta flaviventris......
Transverse suture white dusted...( at least two dust spots on thoracic dorsum on suture line ).
Hind femora broadly red at base...... Syritta flaviventris.... female

 
Bill- thank you for having op
Bill- thank you for having opined a different species, Syritta flaviventris. I am totally out of my element. What are we to do as to requesting a reconsideration from an expert based upon your observations?

 
The marking on tergite 3 and
The marking on tergite 3 and 4 are also more linear in pipiens than flaviventris in females.
The features I have mentioned have shown to be diagnostic.
The upper outer cross-vein is less re-entrant in S. pipiens. The angle at join with R4+5 on wing tip side is more than a right angle in S. pipiens and at right angles in S. flaviventris. Syritta pipiens has a spurious vein which is found in nearly all Syrphidae but this vein is lacking in Syritta flaviventris. There is no doubt this is Syritta flaviventris.

Moved
Moved from Syrphid Flies.

Your ID's good, Fritz.
Nice fly, colored differently than most I've shot, i.e. more white in yours as opposed to tan/yellow.

 
Ron- thanks for your confirma
Ron- thanks for your confirmation of my submission as, "Syrphidae,Thick-legged Hoverfly, Syritta pipiens"

Moved
Moved from ID Request.

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