sentences:  A genetic study of the four European species found that "B. aereus" was sister to "B. reticulatus".More extensive testing of worldwide taxa revealed that "B. aereus" was sister to a lineage that had split into "B. reticulatus" and two lineages that had been classified as "B. edulis" from southern China and Korea/northern China respectively.Molecular analysis suggests that the "B. aereus/mamorensis" and "B. reticulatus"/Chinese "B."