[tn-moths] Re: Anderson Co. FOYs
- From: Hugh McGuinness <hdmcguinness@xxxxxxxxx>
- To: tn-moths@xxxxxxxxxxxxx
- Date: Sun, 24 Jul 2011 21:22:12 -0400
Yep. In my experience using that rule will cause you to ID erechtea when in
fact you are looking at crassiuscula. And yes that is from Covell.
Hugh
On Sun, Jul 24, 2011 at 6:34 PM, kjchilds <kjchilds@xxxxxxxxx> wrote:
> Right or wrong, I go by the info on BugGuide which may be the same as what
> Covell suggests. As you say, it doesn't always work because I'll sometimes
> find some that fit somewhere in the middle.
>
> "Caenurgina erechtea.
> Adult: two dark bands on each forewing do not touch each other near the
> midline, and the inner (or more basal) band does not touch the inner margin
> [whereas in *C. crassiuscula*, the bands almost touch each other near the
> midline, and the inner (or more basal) band touches the inner margin]"
>
> Ken Childs
> Henderson, TN
> Chester County
>
> http://tinyurl.com/Kens-Moths-2011
> http://tinyurl.com/Night-Creatures
> http://www.finishflagfarms.com
>
>
>
> ------------------------------
> *From:* Hugh McGuinness <hdmcguinness@xxxxxxxxx>
> *To:* tn-moths@xxxxxxxxxxxxx
> *Sent:* Sunday, July 24, 2011 5:06 PM
> *Subject:* [tn-moths] Re: Anderson Co. FOYs
>
> Hi All,
>
> I find Caernurgina erechtea and C crassiuscula quite difficult to separate.
> I think the marks suggested in Covell work for only some specimens--there
> are just too many where they don't work. For a given generation erechtea is
> larger, but the second generation of erechtea is the same size or smaller
> than the first of crassiuscula. I think the 8th abdominal sternite can also
> be used, but this requires a male specimen and the scales have to be brushed
> off.
>
> I would love to hear from anybody who has a way to separate the males of
> these two species. (Female erechtea are easy to ID because they are mostly
> unmarked.)
>
> Don Lafontaine once told me that erechtea is actually relatively rare from
> the northeast, and that it is mostly misidentified in collections. In this
> region erechtea is a species of barrens and dune backs, whereas crassiuscula
> is found in grasslands. I would suspect that this pattern holds in TN--i.e.,
> that you would be most likely to find it in sandy areas and open pine
> barrens with grasslands.
>
> Hugh
>
> On Sun, Jul 24, 2011 at 11:47 AM, <klight10@xxxxxxxxxxx> wrote:
>
>
> While reviewing my photos today, I found a mistake on one of my IDs. Jean,
> please remove this one from the Anderson Co. records:
> 8739 – Caenurgina erechtea – Forage Looper Moth_5-21-11
> ******
> **I found out it is actually:**
> **8738 – *Caenurgina crassiuscula* – Clover Looper Moth **
> **They look a lot alike! **
> ****
> ****
> **Here are my latest Anderson Co. moths: **
> ****
> **
> 8747 – Celiptera frustulum – Black Bit Moth_7-11-11****
> 7704 – Eacles imperialis – Imperial Moth_7-16-11****
> 8738 – Caenurgina crassiuscula – Clover Looper Moth_7-16-11****
> 7146 E – Haematopis grataria – Chickweed Geometer Moth 7-17-11****
> 4629 – Acoloithus falsarius – Clemens' False Skeletonizer Moth_maybe
> 7-18-11****
> 4698_Parasa chloris_Smaller Parasa 7-18-11****
> 4685 – Adoneta spinuloides – Purple-crested Slug Moth_7-21-11****
> 5566 – Arta statalis – Posturing Arta Moth_7-21-11****
> 7757 – Antheraea polyphemus – Polyphemus Moth_7-22-11****
>
> Kris Light
> Oak Ridge, TN
> Anderson Co.**
>
>
>
>
>
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