Synonyms and other taxonomic changes
Scolytus rugulosus (Müller)
Orig. Comb: Bostrichus rugulosus Müller 1818
Explanation of Names
rugulosus = 'finely wrinkled'
native to, and widespread across Europe, adventive in NA (across the US)(1)
Overwinter as mature larvae or pupae in tunnels under tree bark. Adults emerge in May. Females fly to susceptible trees where they bore into cambium and lay eggs in pockets along the sides of their tunnels. Second generation adults emerge in mid-August.
earliest record in our area: NY 1877(2)
Attacks damaged branches and trunks of many broadleaves, incl. fruit trees and English laurel