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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Elateroidea » Click Beetles (Elateridae) » Agrypninae » Pyrophorini » Glowing Click Beetles (Deilelater) » Deilelater atlanticus
Photo#473777
Deilelater atlanticus (Hyslop) - Deilelater atlanticus
Copyright © 2010 Kyle Schnepp

Deilelater atlanticus (Hyslop) - Deilelater atlanticus
Highlands County, Florida, USA
September 6, 1983
Size: 10.5 mm
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Contributed by Kyle Schnepp on 19 November, 2010 - 11:45am
Last updated 25 July, 2011 - 12:24pm

Why isn't this Ignelater?
The key in American Beetles says that Deilelater has antennomeres 2 and 3 subequal in length and together, 2+3 are shorter than the length of antennomere 4. This differs from the specimen above.

However, Ignelater has antennomere 2 shorter than 3 and the length of 2+3 is shorter than 4. This seems to be the state the specimen above possesses, so it looks to me like this is Ignelater.

EDIT: Upon further investigation, I suppose the rounded elytral apex is a more consistent character to look at. Is that right?
… Garrett Hughes, 12 December, 2017 - 11:14am login or register to post comments

 
yes
Be careful analyzing antennomeres in images; the slightest angle offset could alter the appearance of the ratios.

The elyral apices is much more confirmatory for separating the genera.
… Blaine Mathison, 4 June, 2019 - 10:57am login or register to post comments

Moved
Moved from Glowing Click Beetles.
… Graham Montgomery, 25 July, 2011 - 12:24pm login or register to post comments

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