two little continental blues
By audave2505, Apr 24 2020 04:00AM
This week my local walks produced a couple of nice butterfly surprises along the little valley. These were two types of short-tailed blues. They are similar to the Small (or Little) Blue in UK and fairly common (at the right time and place) in Dordogne. The Short-tailed Blue seems to prefer damper habitats and the grand-sounding Provençal Short-tailed Blue, drier ones. However on dry sandy heathlands they seem equally common! There is one special feature to look out for and that is the tiny spot or spots at the base of the tail. In the Short-tailed Blue, there are often two red spots whilst on the Provençal cousin there is just a tiny black spot. The "tails" tend to be longer in the Short-tailed Blue and the males are bluer. The female Provençal has all-brown uppers, whereas the female Short-tailed Blue has touches of blue on her upper forewings. On the underside the marking on the edge of both wings are generally stronger on the Short-tailed Blue. Fortunately two posed for me!
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