title: Ambrosiella beaveri, sp. nov., associated with an exotic ambrosia beetle, Xylosandrus mutilatus (Coleoptera: Curculionidae, Scolytinae), in Mississippi, USA.
abstract: Xylosandrus mutilatus is an Asian ambrosia beetle that has recently established in Mississippi, Texas, Alabama, and possibly Florida, USA. We investigated the fungi associated with the mycangia (specialized fungus-transporting structures) of X. mutilatus in Mississippi. Mycangia consistently yielded an Ambrosiella sp. which was subsequently found to be closely related to, but distinct from, other Ambrosiella species affiliated with Ceratocystis. This Ambrosiella is described herein as Ambrosiella beaveri sp. nov. Also isolated were Geosmithia lavendula, G. obscura, and a yeast, Candida homelintoma. It is likely Ambrosiella beaveri was introduced along with the beetle into North America.
authors.affiliation: Department of Ecosystem and Conservation Sciences, College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USA. diana.six@cfc.umt.edu
authors.forename: Diana L
authors.initials: DL
authors.lastname: Six
authors.forename: W Doug
authors.initials: WD
authors.lastname: Stone
authors.forename: Z Wilhelm
authors.initials: ZW
authors.lastname: de Beer
authors.forename: Sandra W
authors.initials: SW
authors.lastname: Woolfolk