Short-tailed Blue (Cupido argiades)
Species

Male. Taken at Irinovac, Croatia, on June 6th 2017.
(1/320th sec at f14. © David Hastings)

Underside. Taken at Gorje Taboriste, Croatia, on June 5th 2017.
(1/250th sec at f13. © David Hastings)

Mating pair. Taken at Irinovac, Croatia, on June 6th 2017.
(1/640th sec at f14. © David Hastings)

Description

Family: Polyommatinae

Wing span: 20 - 30mm

The male Short-tailed Blue has a purplish-blue upper surface with two very fine short tails. The female is sooty brown. The orange spots on the underside of the hindwing are distinctive.

It is found in central and southern Europe, but is generally sporadic and uncommon. It is a very rare vagrant in southern England.

It is found in cultivated fields, bushy meadows and grasslands, open scrub and forst edges.

It is bi-voltine, late April/mid-June and July/August

The primary larval foodplants are Bird's-foot Trefoil (Lotus corniculatus), Lucerne (Medicago sativa), Red Clover (Trifolium pratense) and Tufted Vetch (Vicia cracca).

Sightings

19-Jul-2018 : Vercors Natural Park, France

07-Jun-2017 : Irinovac, Croatia
06-Jun-2017 : Irinovac, Croatia
05-Jun-2017 : Gornje Taboriste, Croatia

22-Jul-2015 : nr Sandanski, Bulgaria

25-Jun-2014 : Rupite Hot Springs, Bulgaria