Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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 Fanniidae spec. ?
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| Robert Heemskerk |
Posted on 05-01-2008 16:06
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Hi Larvaeforum, From my collection larvae. This could be a Fanniidae spec.? size 4.5-5mm under wet leaf place: Amsterdam forest, swampy reetland date: 26-12-2007 Robert Heemskerk attached the following image:  [108.7Kb] |
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| Robert Heemskerk |
Posted on 05-01-2008 16:08
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
pic 2
Robert Heemskerk attached the following image:  [140.38Kb] Edited by Robert Heemskerk on 05-01-2008 16:09 |
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| Robert Heemskerk |
Posted on 05-01-2008 22:52
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
dorsal view
Robert Heemskerk attached the following image:  [162.39Kb] Edited by Robert Heemskerk on 05-01-2008 22:53 |
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| jorgemotalmeida |
Posted on 05-01-2008 23:29
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 Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
Fanniidae - Fannia cf. scalaris Do you agree, Tony? |
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| Stephane Lebrun |
Posted on 05-01-2008 23:54
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
The posterior spiracles are in positionned lateraly, which rule out F. scalaris. It should be around F. tuberculata/armata...
Stephane. |
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| jorgemotalmeida |
Posted on 06-01-2008 00:20
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Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
one image to show post spiracles
jorgemotalmeida attached the following image:  [178.59Kb] |
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| jorgemotalmeida |
Posted on 06-01-2008 00:28
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Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
Fannia tuberculata. in the second segment we can see no projections at the base of the process. In 3rd is visibel some projections.
Edited by jorgemotalmeida on 06-01-2008 00:46 |
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| Stephane Lebrun |
Posted on 06-01-2008 00:46
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Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
Your conclusion would be mine too Jorge. 
Stephane. |
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| Robert Heemskerk |
Posted on 06-01-2008 01:15
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Thank you Jorge and Stephane! I was happy to find this was Fanniidae, but sp.-level is great! I had to do some 'homework' to learn the details, but your explanation is nice! Thankx again  |
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| jorgemotalmeida |
Posted on 06-01-2008 01:22
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Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
more one photo..
jorgemotalmeida attached the following image:  [189.53Kb] |
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| andrzej grzywacz |
Posted on 12-01-2011 18:02
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 Member Location: Poland Posts: 103 Joined: 09.02.08 |
Small correction to avoid wrong interpretation during identification of Fanniidae. Segment which Jorge has marked as a "1" is a second body segment but first thoracic. Larvae of Fanniidae have 12 segments (pseudocephalon + 3 thoracic + 7 abdominal + anal division-> last segment with posterior spiracles) not 11. Last one is always 12th, but on this photo we see only 11 because first segment (pseudocephalon) is retracted. Very often larvae, and always pupae of Fanniidae have first segment retracted into first thoracic segment. That can cause misinterpretation that they have only 11 segments. First segment is very good visible on the first photo of this post. However keys for the identification (Lyneborg, Rozkosny et al.) mark them from 1-11 (psedocephalon is omitted). Projections on photo (top right corner) which I corrected as a "projections of dorsolateralas" should be "projections of laterodorsals". andrzej grzywacz attached the following image:  [172.46Kb] Edited by andrzej grzywacz on 13-01-2011 14:42 |
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