26
Aug
16

Aberrations

One of my guests on the butterfly tour last month brought this Chalkhill Blue butterfly to my attention. It’s unusually coloured. It’s an aberration, a freak, a variation that nature sometimes throws into the pot. I was curious what the Butterfly County recorder, Andy Brazil,  would make of it. Here’s what he said:

Chalkhill’s have historically had a lot of variations recorded, but we’ve not had any from Norfolk before.

There’s a similar aberration here http://www.ukbutterflies.co.uk/phpBB/gallery/image_page.php?album_id=271&image_id=11243 named as post-obsoleta, but this female also has a paler, washed-out ground colour of ab pallidulla. I’ve looked through this list http://www.ukbutterflies.co.uk/aberrations.php?species=coridon but nothing quite matches the combination. So I’d say it was ab. post-obsoleta ab.pallidulla so two aberrations on the same insect!

So there you go. Another first for Norfolk!

Chalkhill Blue (Aberrant)

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2 Responses to “Aberrations”


  1. 1 Wendy BT Mail
    August 26, 2016 at 10:45 pm

    Sorry, couldn’t read Andy’s comments – they came out in yellow on a white ground. Impossibly difficult to read.

    Wendy

    Sent from my iPad

    >


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