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Photo#166349
Derolathrus cavernicolus Peck (Jacobsoniidae) - Derolathrus cavernicolus

Derolathrus cavernicolus Peck (Jacobsoniidae) - Derolathrus cavernicolus
Citrus County, Florida, USA
In old bat guano in cave.

Moved
Moved per Dr Thomas's info here from Derolathrus.

Two more down! Great pictures
Two more down! Great pictures!

 
amazing!
I can't believe how many weird families you have in your collection. 4 more families left!

 
Thanks...
but the collection isn't actually mine, although I do feel rather possessive about it. The specimens are from the Florida State Collection of Arthropods in Gainesville.

 
makes me wonder...
...how guys like that one after a long journey all over Coleoptera could end up --of all places-- among elateroids... sssssso counter-intuitive :-]

 
Jacobsoniidae placement
And now several recent morphological and molecular studies put them into or as sister of Staphylinoidea! They'll be treated there in the forthcoming (in a couple years) Beetles of Canada and the US, successor to the now 20-year-old American Beetles.

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