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Marsh Fly

Sepedon aenescens Wiedemann

Description:

Approx. 8~12mm. Very similar to Sepedon found in the West, but once source says that the oriental population has been classified as a separate species based on coloration, male genitalia, etc: http://www.nativefishlab.net/library/tex... (p. 57). That source also mentions S. violacea as a possibility, but since my photos don't have enough detail, it is futile to try to distinguish it further.

Habitat:

Low low to medium grasses.

Notes:

I thought Penthetria or Bibionidae were possible, but am not familiar enough with them to figure it out.

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19 Comments

AudieWilkins
AudieWilkins 9 years ago

Heh heh. I think that was a typo in the first place...

Mark Ridgway
Mark Ridgway 9 years ago

Great! ..and you only had to change one letter in 'March' :)

AudieWilkins
AudieWilkins 9 years ago

Updated. Thanks again for your help, Lauren!

LaurenZarate
LaurenZarate 9 years ago

Great! It does have some differences in coloring from S. sphegea.

AudieWilkins
AudieWilkins 9 years ago

So far, I've found Sepedon aenescens Wiedemann in China and "the orient" in: http://www.gbif.org/species/120374278. If I can't find S. sphegea this far east, I guess I'll have to go with that.

AudieWilkins
AudieWilkins 9 years ago

That looks dead on, Lauren! Thanks! I'm going to track down its range and verify that it's here in Korea (or what variety there is here), then I'll edit the spotting. Many thanks! :D

Mark Ridgway
Mark Ridgway 9 years ago

Wow great info thanks Lauren.. so it's slugs that need to watch out for those incredible face gadgets. Incredible!

LaurenZarate
LaurenZarate 9 years ago

This looks like a fly of the Family Sciomyzidae, maybe a species Sepedon, if not actually S. sphegea itself…..It is called the Slug Killing Fly.....http://www.diptera.info/forum/viewthread.php?thread_id=56423, http://es.treknature.com/gallery/photo29....

Mark Ridgway
Mark Ridgway 9 years ago

gadgets!! :)

AudieWilkins
AudieWilkins 9 years ago

I cant type on this gadget...

AudieWilkins
AudieWilkins 9 years ago

Yeah I think iincidenthey are incidental specks. Maybe someone will have some input soon. I am out for a while.

Mark Ridgway
Mark Ridgway 9 years ago

Maybe it's just accidental specks of something.. what do you think? Certainly seems to be in the right location. but as you say most else seems dipteran. Let's hope an expert sees it.

AudieWilkins
AudieWilkins 9 years ago

OK, I added a super super crop of the head.

AudieWilkins
AudieWilkins 9 years ago

I'll get the original out and see if I can't crop it further...

Mark Ridgway
Mark Ridgway 9 years ago

great head shot btw... maybe I'm imagining the ocelli

AudieWilkins
AudieWilkins 9 years ago

Sadly, it flew away before I could get in position for another aspect. Bummer.

Mark Ridgway
Mark Ridgway 9 years ago

....but I can't get around those antennae !? It seems to have 3 ocelli on it's head though... very interesting. Got a top view?

AudieWilkins
AudieWilkins 9 years ago

With those antennae, thick waist, coloring and body hairs? That would have to be a pretty atypical Vespid, I think. I'm no expert, though.

Mark Ridgway
Mark Ridgway 9 years ago

I think it's a type of wasp Audie.

AudieWilkins
Spotted by
AudieWilkins

충청북도 (Chungcheongbuk-do), Republic of Korea

Spotted on Aug 11, 2014
Submitted on Aug 11, 2014

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