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Sinai Baton Blue butterfly
The Sinai Baton Blue butterfly (''Pseudophilotes sinaicus''), one of the world's smallest butterflies,〔(【引用サイトリンク】title=Climate Change & Biodiversity Conservation in Egypt )〕 lives only on mountainside patches of wild thyme in an arid corner of the Sinai Peninsula in Egypt called Saint Katherine's Protectorate.
==Life cycle==
The female butterfly lays about 20-30 eggs in spring, a day after mating, on the young buds of its host-plant, Sinai Thyme. After an incubation period of a few days, the eggs hatch into small larvae which feed on the buds and flowers of Sinai Thyme. These larvae make an appeasement relationship with one type of ant (Lepisiota obtusa). The larva has two organs that it uses in its relationship with ants; the Dorsal Nectary Organ (which secretes droplets of simple sugars and amino acids for this ant species) and the Tentacular Organ (which produces volatile secretions that attract and alert attendant ants if a caterpillar is alarmed). However, larvae are also heavily preyed upon by another species of ant, Crematogaster aegyptiaca. This ant is very influential to the local distribution of the butterfly because in areas where it is found, no butterflies survive.
Larval development takes ca. 21 days. On reaching full size, larvae descend to the bottom of the thyme plant and pupate. The pupae spend the whole autumn and winter in their cocoons, and when the temperature rises in late spring (during April to June), the adults emerge and males begin searching for females.
The whole life cycle of this butterfly depends upon the Sinai Thyme. This plant is also rare and localized to this small area of the world. It grows in patches of various sizes only on the mountains around the town of St Katherine.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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