Hi Amanda, the Ladybird is one of those Harlequin types. They vary so much in colouring and seem to be everywhere now.
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Thanks for getting in touch,I did think it was not a "Ladybird" but it was quite big so thought it was not a "Harlequin" as well.Had a look on here:http://www.ladybird-survey.org/gallery.aspxSays it is a bit unusual.
Have moved Ladybird to it's own page.