This was another first. I haven’t seen this kind of butterfly before. The picture doesn’t do it justice. It was small, but with gorgeous electric colors. It was hard to get a good picture as it was very active. I hope you can tell us what kind it is. Thanks,
Jori
Costa Rica

Hi Jori,
This diminutive beauty is known as an Arcias Swordtail, Rhetus arcius. We located it on a website of Mexican Butterflies. Once we had the correct taxonomic name, we located another site that indicated the common name Long Tailed Metalmark, and the subspecies name Rhetus arcius thia. We found images of another subspecies, Rhetus arcius beutelspacheri, that closely resembles the coloration on your specimen.

Location: Costa Rica

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