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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Larva. >Dahlica triquetrella
Pentti Ketola
#1 Print Post
Posted on 20-04-2017 12:49
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Location: Western Finland
Posts: 3331
Joined: 04.02.10

Who knows which family this is? I have no idea about it.
Length 9mm.
Kokkola Finland 20 April 2017.

Pentti.
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Edited by Pentti Ketola on 21-04-2017 08:33
 
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Pentti Ketola
#2 Print Post
Posted on 20-04-2017 12:50
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Location: Western Finland
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2
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piros
#3 Print Post
Posted on 20-04-2017 13:48
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Location: Hungary
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I think it is Psychidae (bagworm moth) caterpillar.

Regards,
Henrik
 
Tony Irwin
#4 Print Post
Posted on 20-04-2017 13:48
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Lepidoptera, Psychidae, probably Luffia
Tony
----------
Tony Irwin
 
Pentti Ketola
#5 Print Post
Posted on 21-04-2017 08:33
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Location: Western Finland
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Hi,
Harri Jalava told me that it is Dahlica triquetrella (Psychidae).

Thank you very much for all your help!
Pentti.
 
http://pentinluonto.1g.fi/
Tony Irwin
#6 Print Post
Posted on 21-04-2017 10:01
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Dahlica triquetrella larvae have paler head and thorax (as far as I am aware). I think this is likely to be one of the other Dahlica species (such as lichenella) which, like Luffia, have dark, almost black, head and thorax.
There are pupal characters which can be used to separate the parthenogenetic, wingless females.
Tony
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Tony Irwin
 
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Date and time
17 December 2017 05:14
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16.12.17 15:08
If you know of any useful key(s) to the families of Diptera in the PUPAL stage, please send e-mail (spies@zi.biologie
.uni-muenchen.de) or post references here. Thank you Martin Spies

15.12.17 14:01
Danke Paul

12.12.17 12:36
Thorax black, somewhat shiny, with sparse dark grey dusting.

12.12.17 11:24
Thorax schwarz, etwas glänzend, mit spärlicher dunkelgrauer Bereifung Hallo, can anyone help translate the word Bereifung, I get tyre which of course doesn't fit Thx

20.11.17 15:09
Pls sign to help save Botanophila fonsecai https://home.38deg
rees.org.uk/?s=Fon
seca. Thx

17.11.17 14:22
Thanks Paul, interesting point

16.11.17 13:44
'Holding' might not be the perfect description. Apparently the armature makes contact with sensitive places on the female, coaxing her to agree to mate.

16.11.17 13:43
Is was not quite sure whether the word would apply correctly, but, yes, that is okay.

15.11.17 11:29
How about armature, would that fit? based on http://onlinelibra
ry.wiley.com/doi/1
0.1111/j.1365-3113
.2008.00422.x/pdf
it would seem that these spines etc are used to hold the female!

14.11.17 09:22
All spines, ridges, lobes, etc. on the femur.

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