California Darner (Rhionaeschna californica)

Rhionaeschna species were formerly considered part of Aeshna.


Conboy Lake NWR, Glenwood, Washington


Conboy Lake NWR, Glenwood, Washington


Male. Mt. Piscah, Eugene, Oregon. May 2014.


Male T-spot. Mt. Piscah, Eugene, Oregon. May 2014.


Male appendages. Mt. Piscah, Eugene, Oregon. May 2014.


Male at Smith and Bybee Lake, Portland, Oregon. August 2013.


Female near Sevenmile Guard Station, Fort Klamath, Oregon

My wife observed a Common Green Darner attack this California Darner, drag it to the ground, and partially eat it. Note that the first thorax stripe is pointed at the top and both stripes are bordered in black. Also note the simple paddle-shaped appendage compared to that of other darners.



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