Insect and Bug ID forum: Crane Fly Maybe

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Name: Kim
Iowa (Zone 5a)
I kill ornamentals... on purpose.
Enjoys or suffers cold winters Spiders! Critters Allowed Birds Houseplants I helped beta test the first seed swap
Region: Nebraska Keeper of Poultry Rabbit Keeper Celebrating Gardening: 2015 Garden Procrastinator Garden Ideas: Level 2
Chillybean
Sep 7, 2015 1:16 PM CST
Possibly a Nephrotoma?

Thumb of 2015-09-07/Chillybean/bc49a3

Can this be narrowed down to the species level? It's the only photo I got.

Thank you.

Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
Image
JRsbugs
Sep 11, 2015 1:28 PM CST
It could be Nephrotoma which has a yellow thorax with black markings, or orange-brown in North America. Tipulidae are notoriously difficult so you need to show a lot of detail, even then they are difficult and keys are needed.

There is an online key which may give you an idea but nothing more, go to #27.

http://iz.carnegiemnh.org/cranefly/idkeys.htm#27A

If I had to make a best guess, I would go to 30A then 31B but that is assuming the thorax is opaque and not polished. The answer would be Nephrotoma tenuis, however I don't think the wing venation matches.

http://bugguide.net/node/view/294919

If I go to 30B, with a polished thorax, assuming the antennal flagellar segments are not bicolorous that would make it Nephrotoma ferruginea. That is more likely, look at the curved vein near the tip of the wing which joins at the stigma on the leading edge of the wing. I can't see the rest of the venation sufficiently to say for sure but from what I can see, it does look like it could be this species.

http://iz.carnegiemnh.org/cranefly/images/Photos/Nephrotoma_...

http://iz.carnegiemnh.org/cranefly/tipulinae.htm#Nephrotoma_...

http://bugguide.net/node/view/24962/bgimage

I'm pleased I took a proper look now, I thought it would be impossible as they often are!







[Last edited by JRsbugs - Sep 11, 2015 1:29 PM (+)]
Give a thumbs up | Quote | Post #949187 (2)
Name: Kim
Iowa (Zone 5a)
I kill ornamentals... on purpose.
Enjoys or suffers cold winters Spiders! Critters Allowed Birds Houseplants I helped beta test the first seed swap
Region: Nebraska Keeper of Poultry Rabbit Keeper Celebrating Gardening: 2015 Garden Procrastinator Garden Ideas: Level 2
Chillybean
Sep 14, 2015 1:46 PM CST
Thank you so much for the detailed reply. Smiling I tried going through the genus, but was not getting any where.

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