Glaucopsyche alexis

English name:
Green-underside Blue
Full scientific name:
Glaucopsyche alexis (Poda, 1761)
Croatian name:
Zelenokrili plavac

Red Book Category in EU: LC

Red Book Category in Croatia: NT

Wings span: 23-31mm

Glaucopsyche alexis, male, Konavle, 0521L8866
Glaucopsyche alexis, male, Konavle, 0521L8866
Glaucopsyche alexis, male, Konavle, 0521L8866
Glaucopsyche alexis, male, Konavle, 0521L8866
Glaucopsyche alexis, female, Brač, 0422L3515
Glaucopsyche alexis, female, Brač, 0422L3515
Glaucopsyche alexis, female, Brač, 0422L3515
Glaucopsyche alexis, female, Brač, 0422L3515

Flight Period and Life Cycle

Flight period of Glaucopsyche alexis in Croatia
Flight period of Glaucopsyche alexis in Croatia

1 brood per year. During development, the caterpillar lives in symbiosis with certain species of ants (R. Obregón, 2015).

Distribution in Croatia

Distribution of Glaucopsyche alexis in Croatia
Distribution of Glaucopsyche alexis in Croatia

More common along the coast. Check the included map.

External Morphology Characteristics

In males, the upper side of wings is blue in color. In margin zone there is a dark border. The border is wider in the apex. In females, the upper side of wings is dark brown. The underside of the wings is grayish with a greenish-blue basal zone on the hindwing. There is a series of larger black spots on the forewing. Moreover, on the hindwing, the spots are smaller or sometimes they are even absent.

Behavior

Imago often feeds with nectar of flowers.

Caterpillar Host Plants

Family Fabaceae.

Habitat

Likes warm grass fields with bushes, overgrown meadows and woodland edges. Elevations: 0-1400m.

Gallery

Literature

(R. Obregón at al., 2015): Parasitoid and ant interactions of some Iberian butterflies (Insecta: Lepidoptera). Shilap-Revista De Lepidopterologia. Vol 43, str 439-454, (2015)

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