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 Parydra fossarum ?
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| John Bratton |
Posted on 06-09-2017 10:21
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Member Location: Menai Bridge, North Wales, UK Posts: 638 Joined: 17.10.06 |
In an unpublished key to Ephydridae by Martin Drake, this one keys to Parydra fossarum or Species D. Species D is described as having last tarsal segment noticably blacker than the others and having sternopleron more heavily dusted than mesopleuron. Which is this specimen, please? Is there any advance in naming species D?
John Bratton attached the following image:  [84.23Kb] |
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| John Bratton |
Posted on 06-09-2017 10:22
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Member Location: Menai Bridge, North Wales, UK Posts: 638 Joined: 17.10.06 |
I'd say the tarsal segments gradually darken towards the tip, = fossarum.
John Bratton attached the following image:  [70.38Kb] |
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| John Bratton |
Posted on 06-09-2017 10:24
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Member Location: Menai Bridge, North Wales, UK Posts: 638 Joined: 17.10.06 |
There is a contrast between sternopleuron and mesopleuron, but it looks to be due to hairs rather than dusting.
John Bratton attached the following image:  [141.58Kb] |
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| John Bratton |
Posted on 06-09-2017 10:25
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Member Location: Menai Bridge, North Wales, UK Posts: 638 Joined: 17.10.06 |
Collected Humber estuary foreshore reed bed, Winteringham, east coast of England, 17 February 2017.
John Bratton attached the following image:  [158.12Kb] |
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| Tony Irwin |
Posted on 06-09-2017 11:45
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 Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Looks fine for fossarum. [Status of sp.D still unresolved - one of several (=far too many!) current projects.]
Tony ---------- Tony Irwin |
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| John Bratton |
Posted on 07-09-2017 11:12
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Member Location: Menai Bridge, North Wales, UK Posts: 638 Joined: 17.10.06 |
Thank you. John |
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but don't see the image in the post.
