7445039130_36f616979f
Photo © John Beatty all rights reserved
New Bridgeville, PA (Google, OSM)
39.9433052738, -76.4718748947
open
Jun. 25, 2012 22:51:39 -0400
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Comments & Identifications

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Tiger Spiketail - Photo (c) John Beatty, all rights reserved
wabbytwax's ID Tiger Spiketail (Cordulegaster erronea)
Posted by wabbytwax 11 months ago (Flag)
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Swift River Cruiser - Photo (c) greglasley, all rights reserved
pete_woods's ID Swift River Cruiser (Macromia illinoiensis)
Posted by pete_woods 3 months ago (Flag)
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Swift River Cruiser - Photo (c) greglasley, all rights reserved
wabbytwax's ID Swift River Cruiser (Macromia illinoiensis)
Posted by wabbytwax 3 months ago (Flag)
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pete could you help me distinguish this from a Tiger Spiketail for future observations? Is there a quick way to visually discern this?

Posted by wabbytwax 3 months ago (Flag)
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Spiketails and cruisers have similar yellow-on-black patterns, but cruisers have 1 lateral thoracic strip, while spiketails have 2 stripes. Cruisers are usually found flying continuously over larger creeks and rivers, while Spiketails tend to alternate between hovering and moving, and are usually found over small streams and seeps. Here is a good web page for learning the differences between ode families: http://www.odesforbeginners.com/family_guide/fam_spiketails.aspx

Posted by pete_woods 3 months ago (Flag)
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Identification Summary

Swift River Cruiser - Photo (c) greglasley, all rights reserved
wabbytwax's ID Swift River Cruiser (Macromia illinoiensis)
Swift River Cruiser - Photo (c) greglasley, all rights reserved
pete_woods's ID Swift River Cruiser (Macromia illinoiensis)

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Data Quality Assessment

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Observation © John Beatty
Cc-by-nc_small some rights reserved

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