Ascosphaera acerosa sp. nov. isolated from the alfalfa leafcutting bee, with a key to the species of Ascosphaera

John BissettAgriculture and Agri-Food Canada, Centre for Land and Biological Resources Research, Central Experimental Farm, Ottawa, Ontario, Canada, K1A 0C6

Grant DukeAgriculture and Agri-Food Canada, Lethbridge Research Centre, P.O. Box 3000 Lethbridge, Alberta, Canada, T1J 4B1

Mark GoettelAgriculture and Agri-Food Canada, Lethbridge Research Centre, P.O. Box 3000 Lethbridge, Alberta, Canada, T1J 4B1Correspondence[email protected].

Abstract

Ascosphaera acerosa sp. nov. was isolated from a dead larva of the alfalfa leafcutting bee, Megachile rotundata (Hymenoptera: Megachilidae). The species is distinguished by the narrow spindle-shaped ascospores. An identification key is provided for the 21 species currently known in the genus Ascosphaera.

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Ascosphaera acerosa sp. nov. isolated from the alfalfa leafcutting bee, with a key to the species of Ascosphaera

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Ascosphaera acerosa sp. nov. isolated from the alfalfa leafcutting bee, with a key to the species of Ascosphaera

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