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 × pugetensis The chief difference from its parents is that its flowers almost always abort, and it rarely bears any fruit. Prunus × pugetensis Prunus × pugetensis is a hybrid species of cherry discovered growing in the Pacific Northwest region of North America. It has been given the nominal common name Puget Sound cherry. It is a cross of introduced sweet cherry, "Prunus avium", and native Oregon cherry, "Prunus emarginata". Individuals have been found growing in British Columbia, Washington state and Oregon, in the natural range of "P. emarginata". It differs from "P. avium" in a number of features, including having narrower