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Syrphidae => Neoascia meticulosa
#1 Print Post
Posted on 30-05-2023 14:35

Posts: 5659
Joined: 25.04.15

30.5.23 in Jyväskylä, Finland
Edited by RamiP on 04-06-2023 11:31
#2 Print Post
Posted on 02-06-2023 12:01
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Location: Belgium, Wanze
Posts: 322
Joined: 14.06.18

Neoascia sp female ?
#3 Print Post
Posted on 03-06-2023 08:36

Posts: 5659
Joined: 25.04.15

Thanks "Tetrao"

#4 Print Post
Posted on 03-06-2023 15:59
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Location: Belgium, Wanze
Posts: 322
Joined: 14.06.18

the cross veins are not darkened , so there remains only four species :

Comme il n’y a pas de nervures transverses assombries il ne reste que 4 espèces :

- Neoascia tenur ,
- Neoascia meticulosa ,
- Neoascia geniculata et
- Neoascia annexa !!!

Not N. Annexa nor N. tenur because no yellow bands on tergite 2 and 3 (from what I see),
Not N. geniculata because no yellow bands on termites 2 & 3 and third antennas segment too long,

only 1 species left :

Neoascia meticulosa which must have :
Tarsi 1&2 yellow, female with a black and very large abdomen, third antennas segment must have a ratio of length to width between 1,5 and 2 and apex of femor yellow !
That’s the good species !!!

4-5 mm. Tarses 1 et 2 jaunes. Femelle : abdomen noir, remarquablement large et en forme de club. 3e segment antennaire 1,5 à 2 x plus long que large. Apex du fémur postérieur largement jaune. P-B et BE : assez commun. Marais tourbeux avec massette, et à proximité. Avril à septembre.

Edited by Tetrao on 04-06-2023 16:12
#5 Print Post
Posted on 04-06-2023 11:30

Posts: 5659
Joined: 25.04.15

Thank Didier for the thorough explanation

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