Taxonomic Swap 71929 (Committed on 02-17-2020)

Added by nlblock on February 18, 2020 02:08 AM | Committed by nlblock on February 17, 2020
replaced with


I dont like this change, I dont think its ok just to change the genus like nothing, and this butterfly is supposed to be Pyrgus.

Posted by gerardoescobar about 4 years ago

I did not change it "like nothing". The research behind the taxonomic change was published in this paper: (see the Appendix for a list of taxonomic changes). The Pelham catalogue ( has accepted those changes, and it is the unofficial (used to be official) taxonomic authority for iNat butterflies for the region it covers. Thus, I made the corresponding changes in iNat.

Posted by nlblock about 4 years ago

I cant agree with that

Posted by gerardoescobar about 4 years ago

The research shows that the Burnsius species (inclulding communis) are more closely related to Heliopetes species than they are to the "original" Pyrgus species, so it makes sense to me that they should be moved out of Pyrgus into their own genus.

Posted by nlblock about 4 years ago

I dont think so.

Posted by gerardoescobar about 4 years ago

Thanks Nick.

I'm no taxonomist, but this looks up to par from what I can see. I couldn't find any dissent in the published literature.

Best Regards,


Posted by coreyk about 4 years ago

My only issue with this change is how it was implemented here on iNat. There are many observations only identified to genus Pyrgus that are likely Burnsius. We need a taxon change to split the genus too, not just move a couple of species out of it. That way observations only IDed to genus will end up at the tribe level and no be incorrect (though less accurate than they might be).

Posted by maractwin about 4 years ago

I agree, @maractwin. Based on a brief discussion about the buckeye split, I think I royally screwed up this and the buckeye split because I didn't think a taxon split would apply. I feel pretty shitty about it, to be honest. I'm not sure the best way to resolve it at the moment, as I haven't had time to look into it in detail.

Posted by nlblock about 4 years ago

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