Syrphid Fly - Dasysyrphus laticaudus - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Syrphid Flies (Syrphidae) » Syrphinae » Syrphini » Dasysyrphus » pinastri group (Dasysyrphus pinastri group) » Dasysyrphus laticaudus

Photo#876696

Copyright © 2013 Richard Migneault

Syrphid Fly - Dasysyrphus laticaudus

Edmundston, Madawaska County, New Brunswick, Canada
June 3, 2013
Size: 5,3mm

Genus Dasysyrphus?

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Syrphid Fly - Dasysyrphus laticaudus

Syrphid Fly - Dasysyrphus laticaudus

Syrphid Fly - Dasysyrphus laticaudus

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Contributed by Richard Migneault on 17 December, 2013 - 11:18am
Last updated 19 December, 2013 - 11:43pm

Moved

Moved from Dasysyrphus.

… Kelsey J.R.P. Byers, 19 December, 2013 - 11:43pm

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Moved

Moved from Syrphini.

… Richard Migneault, 18 December, 2013 - 4:25pm

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Dasysyrphus looks good to me.

Apparently, there's not much chance for species IDs on this genus.

… Ron Hemberger, 18 December, 2013 - 2:01pm

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Fortunately, we have a recent

Fortunately, we have a recently published key for Dasysyrphus - this keys out to D. laticaudus.

The fact that the maculae on tergites 3-4 don't reach the abdominal edge rules out venustus, limatus, and the intrudens species complex. The dark gena and abdominal markings rule out creper, lotus, and richardi (as does the location). The shape of the pattern on sternite 2 (thanks for the upside down pic!) and location rule out pinastri. The maculae not being constricted rules out amalopis and occidualis. Light profemur rules out nigricornis. Range rules out pauxillus and pacificus.

On this female, I can somewhat see the outer edges of the maculae on tergite 2 extending forward and reaching the abdominal edge, which is a key characteristic for D. laticaudus.

… Kelsey J.R.P. Byers, 19 December, 2013 - 11:43pm

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Thanks so much Kelsey for all

Thanks so much Kelsey for all these explanations..

… Richard Migneault, 20 December, 2013 - 7:10am

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Thanks Ron..

Thanks Ron..

… Richard Migneault, 18 December, 2013 - 4:28pm

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