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Diptera.info :: Family forums :: Syrphidae
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Pupae Meliscaeva cinctella/auricollis
Paul Hoekstra
#1 Print Post
Posted on 09-11-2024 10:46
Member

Location: Netherlands
Posts: 79
Joined: 03.07.11

My son reared 2 Syrphid larvae, one male Meliscaeva cinctella and 1 female Meliscaeva auricollis, but both were in the same jar. Does anyone know which pupa belongs to which Syrphid? Or is there any literature on pupae of Syrphids?

waarneming.nl/media/photo/91366027.jpg

waarneming.nl/media/photo/91366028.jpg
waarneming.nl/media/photo/91366029.jpg

waarneming.nl/media/photo/91366035.jpg
 
eklans
#2 Print Post
Posted on 10-11-2024 14:16
Member

Location: Franconia, Germany
Posts: 3700
Joined: 11.11.18

Hi Paul, I do not know literature on the pupal state of syrphids - for the larvae I use Graham E. Rotheray (1993): Colour Guide to Hoverfly Larvae.
He says M. auricollis larva's prp (the posterior breathing tubes) has a basal rim while M. cinctella's is yellowish brown in overall colour.
Your darker larva is not unicoloured and seems to have a basal rim so I guess this could be M. auricollis.
Greetings, Eric Kloeckner
 
Paul Hoekstra
#3 Print Post
Posted on 17-11-2024 22:48
Member

Location: Netherlands
Posts: 79
Joined: 03.07.11

Thank you for your reply. I have some difficulty in distinguishing the basal rim, I have made detailed pictures of the 2 pupae breathing tubes, first photo is of the dark pupae, the second of the light pupae.

waarneming.nl/media/photo/108950968.jpg

waarneming.nl/media/photo/108950978.jpg
 
eklans
#4 Print Post
Posted on 18-11-2024 11:49
Member

Location: Franconia, Germany
Posts: 3700
Joined: 11.11.18

Yes, there's hardly a difference between the pupae. Remains only the colour/pattern - but I'm afraid it's not enough to identify.
Greetings, Eric Kloeckner
 
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13 December 2024 19:23
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