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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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Tephritoidea (?) under Cypress
MMignini
#1 Print Post
Posted on 11-04-2021 17:29
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Hello,

I want to ask for your expertize on something I have never seen before.
I have photos coming from two different locations (Sardinia and Tuscany, Italy) showing an interesting phenomenon: very large pullulations of tiny yellow larvae crawling on the ground. The larvae are able to perform small jumps.
Interestingly, in both sites this pullulations occurred under Cupressus trees. The ground was covered with Cupressus male flowers.
I suspect that these are some Tephritoidea larvae, but I never came across something like that before.
Any ideas? Are there particular species linked with Cupressus trees?

1st photo (Sardinia):
MMignini attached the following image:


[116.37Kb]
Edited by MMignini on 11-04-2021 23:45
 
MMignini
#2 Print Post
Posted on 11-04-2021 17:33
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2nd photo (Sardinia):
MMignini attached the following image:


[175.02Kb]
 
MMignini
#3 Print Post
Posted on 11-04-2021 17:34
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3rd photo (Sardinia):
MMignini attached the following image:


[151.67Kb]
 
MMignini
#4 Print Post
Posted on 11-04-2021 17:34
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4th photo (Tuscany):
MMignini attached the following image:


[140.08Kb]
 
MMignini
#5 Print Post
Posted on 11-04-2021 17:36
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5th photo (Tuscany)
MMignini attached the following image:


[224.33Kb]
Edited by MMignini on 11-04-2021 17:45
 
MMignini
#6 Print Post
Posted on 11-04-2021 17:46
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6th photo (Tuscany)
MMignini attached the following image:


[195.65Kb]
 
MMignini
#7 Print Post
Posted on 11-04-2021 18:32
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!UPDATE!

Somebody just sent me new photos from a THIRD locality, also from Tuscany.
Also in this case the larvae are under Cypress trees...
MMignini attached the following image:


[160.27Kb]
Edited by MMignini on 11-04-2021 19:24
 
Jan Maca
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Posted on 12-04-2021 09:57
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Sciaridae are notorious for gregarious larvae. From the pictures it cannot be stated whether the larvae have nematoceran head capsule or not
 
MMignini
#9 Print Post
Posted on 12-04-2021 11:53
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Jan Maca wrote:
Sciaridae are notorious for gregarious larvae. From the pictures it cannot be stated whether the larvae have nematoceran head capsule or not


Thank you for your feedback!
I am suspecting these are some Tephritoidea.
In the meantime I have been reading more and more reports of the same phenomenon appearing in other towns of Tuscany, always on bare ground and always under Cypresses.
A person sent me a close-up picture. I hope it is clear enough.
I add it here below.
Ulidiidae maybe?
MMignini attached the following image:


[13.82Kb]
 
Paul Beuk
#10 Print Post
Posted on 13-04-2021 14:21
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Could these be gallmidge larvae, ready to pupate?
Paul

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