Western Dappled White
Euchloe crameri

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Euchloe crameri

Málaga, February 2017



Málaga, March 2011



Ronda, March 2011

Female, Málaga, February 2007

Eastern and western dappled whites used to be classified as one species, Euchloe ausonia, but were definitively separated some ten or fifteen years ago. There is no discernible external difference between them, so in the limited areas of overlap between their ranges (just a fragment of northern Italy) the only way to distinguish them is by resorting to violence. Luckily, distribution is almost always a satisfactory test, and all the insects shown here are definitely crameri. Within the range of crameri another dappled white, the Portuguese dappled white (E. tagis) does also fly, but this is easily told apart by the smoothly rounded costa of the hindwing. In crameri this edge has a sharp bend in it.

As I note on the ausonia page, many authors still follow Higgins and Riley in confusing ausonia/crameri and simplonia. This last species flies in the Alps and is also distinugished by the fact the black mark on the forewing extends to the costa and slightly along it.