Cassius Blue Butterfly (NBC)

Y’all know by now that we went to the Lower Rio Grande Valley in the closing week of 2017. We’ve shared many butterflies that were new to me, and new to so many of you. Here I was, just a handful of miles (or less) from Mexico, and you just never knew what would come flying in here, at the National Butterfly Center in Mission.

This was the Tiffany of Butterflies, with new deliveries every hour, with the display cases changing as you watched!

Comes this one, nectaring on Mistflower. I expected it would be a snap to ID, and after scouring Swift Guide to Butterflies of North America (The Princeton University Press, 2017) I still cannot tell what it is?

It’s almost surely a blue? Or is it. Ventral wing surface are good, and the upper wing color sure look blue.

Might I dream that the premiere butterfly experts, Jeffrey Glassberg, Mike Rickard, Curt Lehman and/or Robert Michael Pyle might help here?

Update! Nancy Asquith and Mike Rickard reached out to us to confirm, Cassius Blue ( Leptotes Cassius Cassidula ). Thanks Nancy and Mike.

Jeff

2 thoughts on “Cassius Blue Butterfly (NBC)

  1. Actually, just looking at the BAMONA list for Texas, leptotes cassius [Cassius blue] seems like a good possibility. It was the first one I looked at because your photo looked similar to Marine blue and cassius is in the same genus.

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