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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Butterflies and Skippers (Papilionoidea) » Blues, Coppers, Hairstreaks, Harvesters (Lycaenidae) » Hairstreaks (Theclinae) » Eumaeini » Calycopis » Dusky-blue Groundstreak - Hodges#4300 (Calycopis isobeon)
Photo#1311054
Red-banded Hairstreak - Calycopis isobeon
Copyright © 2016 Jeremy Gatten

Red-banded Hairstreak - Calycopis isobeon
Leander, Williamson County, Texas, USA
October 20, 2016
I initially thought this was going to be Dusky-blue Groundstreak (Calycopis isobeon), but due to the virtual lack of red around the black spots on the hindwing I think it's probably Red-banded Hairstreak (C. cecrops). Can anyone comment on hybridization between these two species and what the flight window is for Red-banded Hairstreak in Texas?
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Contributed by Jeremy Gatten on 3 November, 2016 - 6:58pm
Last updated 4 November, 2016 - 10:15am

Moved
Moved from ID Request.
… Cliff Ivy, 4 November, 2016 - 10:15am login or register to post comments

I agree that this specimen has characteristics of both species.
The forewing narrow PM band is typical of Dusky-blue whereas the lack of color at the hindwing outer angle looks like Red -banded.Glassberg mentions a dusky blue intermediate which is apparently typical phenotype in south central TX. South Texas Dusky-blues have considerable red at the hindwind outer angle.

… Cliff Ivy, 4 November, 2016 - 10:14am login or register to post comments

 
Interesting...
Thanks for that sharing that, Cliff. I think there should be a bit of an overhaul of the Red-banded Hairstreaks because I think there are other records from the same area that likely pertain to Dusky-blue but have been accepted as Red-banded. If it is well away from the range of Red-banded and is just a phenotype of Dusky-blue that tends towards Red-banded, it would be great to have some literature documenting this for reference.
… Jeremy Gatten, 4 November, 2016 - 12:05pm login or register to post comments

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