Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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 Nephrotoma sp. larva, Tipulidae
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| Cranefly |
Posted on 20-01-2010 12:03
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Member Location: Shachovskaya Posts: 647 Joined: 17.09.08 |
I discovered this aquatic larva in May in very quick stream (1 m/s) inside algae. I made photo of alive larva and then tried to rear it. No success of course. No larger larvae or pupae in this place or in wet moss around the stream. Smolensk region. The question is - is it possible to determine it? The second - how to rear aquatic larvae in this case? Cranefly attached the following image:  [127.79Kb] Edited by Cranefly on 23-01-2010 11:37 |
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| Paul Beuk |
Posted on 20-01-2010 12:27
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 Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Resembles some of the Tipula larvae in the forum here. Sorry, but I don't have any key here atm. Perhaps atylotus can tell you.
Paul - - - - Paul Beuk on https://diptera.info |
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| rvanderweele |
Posted on 20-01-2010 13:11
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Sorry, for me it is not clear where it has been collected. In Europe? Where in Europe? I have some literature about Tipulidae larvae. If it is European I will have a look this evening. ruud van der weele rvanderweele@gmail.com |
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| Paul Beuk |
Posted on 20-01-2010 13:33
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Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Smolensk region (as stated above) can be found in Russia, near the border with Belarus: Google Maps
Paul - - - - Paul Beuk on https://diptera.info |
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| rvanderweele |
Posted on 20-01-2010 13:39
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Yes, Paul, you are right. I didn`t check last message well. I just noticed on the earlier message no location was mentioned. I`ll see what I can do. ruud van der weele rvanderweele@gmail.com |
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| rvanderweele |
Posted on 20-01-2010 19:27
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Well, I put myself in a good mess. When I looked at the photo I thought I recognized the type. Well, if that is so, then it is Nephrotoma, but this is most unlikely, since you found it in a very moist environment. You have more photo`s of the segments of the thorax? ruud van der weele rvanderweele@gmail.com |
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| Cranefly |
Posted on 21-01-2010 08:59
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Member Location: Shachovskaya Posts: 647 Joined: 17.09.08 |
Sorry, this was the only one which perished later. |
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| Paul Beuk |
Posted on 21-01-2010 09:31
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Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Checking Theowald's work (1957) I agree that Nephorotoma seems to be the best candidate.
Paul - - - - Paul Beuk on https://diptera.info |
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| Cranefly |
Posted on 21-01-2010 09:39
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Member Location: Shachovskaya Posts: 647 Joined: 17.09.08 |
Many thanks |
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| atylotus |
Posted on 21-01-2010 09:50
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 Member Location: Amsterdam, NL Posts: 1166 Joined: 29.05.09 |
I agree with the option of being it a Nephrotoma. Although this is more of a terrestrial genus, but maybe it is washed with the moss growing on the banks? Looking at the drawings in Theowald (1967) it may also be a T. (Oreomyza) spec. which resembles Nephrotoma larvae. You have to check the presence or absence of a thickened ridge along the anterior margin of the prothorax. But also this subgenus is not amphibious. |
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| Cranefly |
Posted on 21-01-2010 10:00
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Member Location: Shachovskaya Posts: 647 Joined: 17.09.08 |
Never supposed it to be Nephrotoma because found it in water. This stream is beginning from a dem with regulation water mechanism and the level of water changes frequently from complete absence to rapid wide stream. Many thanks. I'll try to check the other characters in spring And how to get imagoes from such larvae? Imposiible? |
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| Cranefly |
Posted on 23-01-2010 11:36
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Member Location: Shachovskaya Posts: 647 Joined: 17.09.08 |
Close to Nephrotoma analis larva, but no emerged imago, no larval material to compare, so it is only assumption |
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