Tooth-necked fungus beetles

Derodontus trisignatus

Found these tiny beetles living inside a mushroom. Derodontus trisignatus is a species of tooth-necked fungus beetle in the family Derodontidae.

Spotted in a mushroom on a tree next to Lake Crescent.

thaptor 5 years ago

Derodontus trisignatus Species Derodontus trisignatus - BugGuide.Net

Mark Ridgway 5 years ago

Thanks Boris !

Brian38 5 years ago

Thank you thaptor! You're always amazing!

Brian38 5 years ago

Ha ha Mark - I always enjoy your humor! I was certainly surprised.

thaptor 5 years ago

Decision on species by:
1) West coast;
2) pattern + no large spine on neck.

thaptor 5 years ago

Mark Ridgway 5 years ago

Were you pleased when you found them? - maybe 'Pleasing fungus beetles' ;-)
Actually the antennae don't seem to suit any of those groups.

Spotted by
Brian38

Spotted on Dec 25, 2018
Submitted on Jan 19, 2019