Satyrium acaciae very limited extent ; they occur particularly on rocky slopes, with blackthorn hedges and exposed to the full force of the sun, in June, showing a preference for resting on Umbellifers. The larva feeds on "Prunus spinosa" and "Prunus divaricata" Satyrium acaciae Satyrium acaciae, the sloe hairstreak, is a butterfly in the family Lycaenidae. The distribution of the sloe hairstreak ranges from 49° N in France and 51° N in Germany and Poland. It is absent from southern Italy, the Mediterranean islands, Portugal and Spain except for the Montes Universales and the north. T. acaciae F. (73b). Smaller than true
Prunus pseudocerasus has been cultivated for its edible (if tart) fruit for around 2000 years. In Japan it is favored as an ornamental tree for its tendency to bloom, flowers before leaves, earlier than the Japanese cherry "Prunus serrulata". A tetraploid with 2n=32 chromosomes, it is used as rootstock for other flowering cherries. It is the parent of a number of hybrid cultivars. It is resistant to the fungal disease cherry leaf spot. Prunus pseudocerasus Prunus pseudocerasus or Prunus pseudo-cerasus, the Chinese sour cherry or just Chinese cherry, is a species of cherry native to China and is used worldwide as an