Sp. Nov., a Mycosymbiont of the Ambrosia Beetle in the Eastern U.S. and Typification of

Overview

Journal Fungal Syst Evol

Specialty Biology

Date 2020 Jun 4

PMID 32490361

Citations 11

Authors

T Aoki

M T Kasson

M C Berger

S Freeman

D M Geiser

K ODonnell

Affiliations

Soon will be listed here.

Abstract

sp. nov. was isolated from the invasive Asian ambrosia beetle (Coleoptera, Scolytinae, Xyleborini) and from the galleries that females had constructed in dying (tree-of-heaven) symptomatic for Verticillium wilt in south-central Pennsylvania, USA. This ambrosia fungus was cultivated by as the primary source of nutrition together with a second symbiont, . Female beetles transport their fungal symbionts within and from their natal galleries in paired pre-oral mycangia. was distinguished phenotypically from the 11 other known members of the Ambrosia Clade (AFC) by uniquely producing mostly 1-2 septate clavate sporodochial conidia that were swollen apically. Phylogenetic analysis of multilocus DNA sequence data resolved as a genealogically exclusive species-level lineage but evolutionary relationships with other members of the AFC were unresolved. Published studies have shown that can be identified via phylogenetic analysis of multilocus DNA sequence data or a PCR multiplex assay employing species-specific oligonucleotide primers. In addition, to provide nomenclatural stability, an epitype was prepared from an authentic strain of that was originally isolated from a gallery constructed in Chinese tea ( ) by in India, together with its lectotypification based on a published illustration.

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