[Taxacom] Gender of the genus name Xymmer

[Masashi Yoshimura]

Dear all,

 I would like to ask you if someone can guess the gender of the following genus name: Xymmer.

 Xymmer is an ant genus name.
This genus was described by Santschi (1914) as a monotypic subgenus, and Stigmatomma (Xymmer) muticum was designated as the type species.
Unfortunately, the author did not provide any etymology for this name.
This subgenus was synonymized with the genus Amblyopone, and former S. muticum is called as Amblyopone mutica now.
I would like to resurrect Xymmer as a genus from synonymy, however, I could not find the correct spelling of the type species, either Xymmer muticus, mutica, or muticum.
I would be grateful if some of you could give me some suggestions. Do you know if it is derived from any old greek word? Or do you think it might refer to something else, such as a person's or locality name?

With warm regards,

Yoshi.
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Masashi Yoshimura Ph.D.

Postdoctoral Fellow
Department of Entomology
California Academy of Sciences

Golden Gate Park
55 Music Concourse Drive
San Francisco, California 94118, U.S.A.
e-mail: myoshimura at ant-database.org