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List: Carolina-Leps
Date: Fri, 19 Apr 2024 16:40:28 +0000
From: \Abdulali, Salman\ (via carolinaleps Mailing List) <carolinaleps...>
Subject: Re: Is a summer brood of Juvenal's Duskywing possible?

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According to Burns, about 15% of North Carolina 2nd brood Horace females ha=
ve the lower spot, and about 8% have the upper spot.

See page 301 of =E2=80=9CEvolution of Skipper Butterflies of the genus Eryn=
nis=E2=80=9D by John Burns.

So these are not that unusual for Horace.

Salman Abdulali

Begin forwarded message:

From: Jeff Cagle <carolinaleps...><mailto:<carolinaleps...>>
Date: April 19, 2024 at 11:59:42 AM EDT
To: <carolinaleps...><mailto:<carolinaleps...>
Subject: Is a summer brood of Juvenal's Duskywing possible?
Reply-To: Jeff Cagle <jeffreyrcagle...><mailto:<jeffreyrcagle...>=
m>>

=EF=BB=BF
I have now encountered two different Duskywings that present as Juvenal's b=
y the hindwing "Juvie spots." One shows additional signs of Juvenal's gene=
tics - gray overscaling in the FW above and very large glassy spots in a fe=
male.

One observation is from Jul 12 2023 in Chatham Co: https://urldefense.com/v=
3/__https://www.inaturalist.org/observations/172516823__;!!OToaGQ!qtr3eV1L4=
bXroVYs6e6fzn2uW57jyiAMnuoaeJYUV8O6hpeuGXrC-AG50RMxI4bXZdoyStCOGWkmkRmZi3WQ=
AQ$ <https://urldefense.com/v3/__https://www.inaturalist.org/observations/1=
72516823__;!!OToaGQ!u8-FzERW7n2TRKPJ9AMozNlKkiJe0pazMaEgnY8H1I17sdQ30qSW6_A=
UBYboCPuKE0hyyLpOYVFXpQxktmsPdzB1dA$>
The other is from Aug 2022 seemingly near Charlotte (data obscured): https:=
//urldefense.com/v3/__https://www.inaturalist.org/observations/130815076__;=
!!OToaGQ!qtr3eV1L4bXroVYs6e6fzn2uW57jyiAMnuoaeJYUV8O6hpeuGXrC-AG50RMxI4bXZd=
oyStCOGWkmkRmTK1YSUg$ <https://urldefense.com/v3/__https://www.inaturalist.=
org/observations/130815076__;!!OToaGQ!u8-FzERW7n2TRKPJ9AMozNlKkiJe0pazMaEgn=
Y8H1I17sdQ30qSW6_AUBYboCPuKE0hyyLpOYVFXpQxktmsXELeSSQ$>

As I think through hypotheses, I get

(1) Late-emerging Juvenal's
(2) Horace's with the gene for Juvie spots
(3) Hybrid

What do y'all think about the relative likelihood of each? On iNat, there =
is no attestation of adult Juvenal's in August even as far north as Canada =
- except for a ssp down in Mexico.

Jeff Cagle


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