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Photo#705500
Crane Fly species, please - Tipula paludosa - male

Crane Fly species, please - Tipula paludosa - Male
Mission (49.1337° N, 122.3112° W), British Columbia, Canada
September 7, 2012
Size: wingspan ~ 5 cm
I tried to include detail needed for ID such as antennae segments & posterior end. Again, I apologise for poor quality photos but unless someone wants to give me a nice Canon EF 100mm macro lens ;) these will have to do. I hope they're good enough for IDing.

Images of this individual: tag all
Crane Fly species, please - Tipula paludosa - male Crane Fly species, please - Tipula paludosa - male Crane Fly species, please - Tipula paludosa - male

Moved
Moved from Crane Flies.

Tipula?
I think Tipula but a confident ID will have to wait for an expert.

 
Think I know species...
...but can't be certain, of course.
After carefully going through crane fly images & narrowing down possible ones that matched & then double checking those, I'm thinking the species that this could be is Nephrotoma tenuis.

I'm not basing identification by my photo, especially as it's not that good, but by those I'm able to examine with a magnifying glass. By counting antennae segments, checking wing veination, pale pattern of the body, its size & colour, everything fits Nephrotoma tenuis.

I feel frustrated with being unable to take good macro images of insects & spiders without a macro lens but at least I'm able to help narrow down the various species I've found with Bug Guide's assistance!

 
Rs looks long
Vein Rs looks long, which would rule out Nephrotoma.

 
Identification Guides?
I went to Chen's site on cranes & looked through what he has; also read over the keys. Trouble is, he only covers those in his area & while there's bound to be some of the same species in both areas, I'm not sure everything here is found there.

Another problem is the poor quality of my photos but without a macro lens I'm stuck. I can try in the daylit hours but do you have any suggestions how to keep the cranefly immobile & in the same spot (without flying off)? Any suggestions?

I was thinking I could put one in the fridge for a short bit & then place it on a cold flat object. If I have my camera set-up ready, I might get a reasonable photo. But I don't know if it will be good enough, especially when I see the sharply focused photos of some craneflies on this site.

Let's say I can get some good, though not great, shots. Can you let me know what parts I should be aiming for in particular since I'll need to take several with the DOF of the lens.

I know none of this is really that important but I'd like to do the best that's possible for me. And there seems to be a lot more craneflies about now than other years.

Thanks for any help. I'm not sure if this belongs in the forum or not. I'm still getting the feel of this site.

 
Male of
one of the introduced european crane fly Tipula paludosa . - Chen

 
Learn to stalk them
If you approach slowly some crane flies will remain still. For ID a shot of the wing (showing veins and color pattern) and body is a good start. You may need separate pictures, one perpendicular to the wings so all the veins are in focus and another showing the body in focus. For a male, as you have here, the closest shot you can get of the tip of the abdomen from a few angles may be useful. Many insect species can only be identified by male genitalia.

If you can get a copy of Alexander's paper on the crane flies of Washington you will find mostly the same species across the border.

Alexander, Charles P. 1949. Records and Descriptions of North American Crane-Flies (Diptera). Part VIII. The Tipuloidea of Washington, 1. American Midland Naturalist 42(2):257-333.

Moved
Moved from ID Request.

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