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Can you identify this?
Sirs,
I found this in forest litter in foothills of Colorado at about 8000 ft. elevation last fall. I saw several of them glowing green in the dark and was able to find a couple and photograph them. I am attaching several photo’s and from looking at your site it may be a firefly, but I have lived here for 45 years and have never seen these before. I appreciate any information you can provide as to what this is. I can’t believe I found this web site and still have the photo! Thanks!
Bill Trust

Hi Bill,
We wrote to Eric Eaton to see if he knew a species name for your Glowworm. We wrote back saying he would check with another expert. Here is Eric’s query followed by the expert’s thoughts: “Q Dear Art: I did not know there was anything like this in Colorado! Any ideas? A John Wagener Green revised Microphotus in 1959 (Coleopterists Bulletin 13: 80-96). The only species he lists from Colorado is Microphotus pecosensis Fall. Fall described this species in 1912 from specimens collected in June and July in New Mexico. Green also recordedthis species from Arizona, California, Texas, Utah, and Chihuahua. His Colorado records include Royal Gorge, Junction Creek, San Luis Valley, and Stollsheimer. He notes that they were all females collected in June and July and that, although their identities are not certain, they are probably pecosensis. The pink females are said to closely resemble the more common CA species, M. angustus LeConte and have 6-segmented antennae, 4-segmented tarsi. The CO specimens all have 3-segmented “

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