Lang`s Short-tailed Blue


Lang`s Short-tailed Blue (Leptotes pirithous) is a small butterfly with a wingspan of 21–29 mm in males and 24–30 mm in females.
The uppersides of the wings are purple bluish in males and bluish-brown in females.
The Lang`s Short-tailed Blue can be easily confused with the Long-tailed Blue (Lampides boeticus) which also occurs in southern Europe.
However, the Long-tailed Blue is slightly larger and has a distinctive continuous white band on the underside of the hindwing which is missing in Lang`s Short-tailed Blue.

Madeira, Portugal, 1 November 2013

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