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Callophrys rubi · žalsvasis varinukas
- green hairstreak
- Grüne Zipfelfalter, Brombeer-Zipfelfalter
- žalsvasis varinukas
- aveņu astainītis
- zieleńczyk ostrężyniec
en.wikipedia.org/wiki/Green_hairstreak
Callophrys rubi is found in most of Europe, North Africa, Russia, Asia Minor, Siberia, Amurland, Baluchistan and Chitral. These butterflies can be found at the end of March, with flight time usually lasting until the end of June, but they are sometimes seen in July and early August. They never rest with their wings open, to maintain their green camouflage. The males exhibit territorial behavior.
The eggs are laid singly. The caterpillars are not known to be tended by ants, unlike some lycid larvae, but the pupae, which are formed at ground level, emit squeaks that attract ants and it is thought that ants will always bury any that are found. Green hairstreaks overwinter as pupae and are univoltine, having one generation of adult butterflies per year.
The larva polyfagous and is recorded as feeding on Vaccinium myrtillus, Vaccinum uliginosum, Betula, Rubus idaeus, Vicia cracca, Trifolium medium, Calluna vulgaris, Frangula, Rhamnus, Ribes, Spiraea, Caragana, Chamaecytisus, Hedysarum, Genista, Trifolium, Hippophae rhamnoides in different parts of its range.
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