Stenamma Koreanensis, Sp. N. from the Korean Peninsula (Hymenoptera: Formicidae: Myrmicinae) by Dongpyeo Lyu1, Mark B

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Stenamma Koreanensis, Sp. N. from the Korean Peninsula (Hymenoptera: Formicidae: Myrmicinae) by Dongpyeo Lyu1, Mark B 1 Stenamma koreanensis, sp. n. from the Korean Peninsula (Hymenoptera: Formicidae: Myrmicinae) By Dongpyeo Lyu1, Mark B. DuBois2,3 & Soowon Cho4 ABSTRACT A new species of the ant genus Stenamma is described from the Korean peninsula. This new species is compared with related species; this is the second record of any Stenamma species from the Korean peninsula; the first from South Korea. Keys for the separation of workers are revised to include this new species. Disposition of type specimens is provided. INTRODUCTION The ant genus Stenamma was recently reviewed for known species in Europe, Africa, and Asia (DuBois 1998). One stated goal of that publication was to encourage others to fill in gaps in our knowledge of the distribution of this genus. This paper represents such a contribu- tion towards that goal. Although members of this genus were reported from China, Japan, and southeastern Russia, no specimens were known from the Korean peninsula until Collingwood (1976) reported S. owstoni from Gaesung, North Korea. The senior author collected specimens of this genus from the Korean peninsula and these represent an undescribed species (most similar to S. ussuriense). We describe and illustrate this species below. At present, it is known from a single collection (one nest containing 31 workers and 1 gyne). It is anticipated that further collecting in the region will yield additional specimens. This species belongs to the Stenamma owstoni species group as defined by DuBois (1998: 287 – 288). It appears to be most closely related to S. ussuriense. The following description follows that outlined in DuBois (1993, 1998). 1Department of Agricultural Biology. College of Agriculture Chungbuk National University, Cheongju 361-763, KOREA 2Center for Biodiversity. Illinois Natural History Survey, Champaign, Illinois 61820 U.S.A. 3116 Burton St., Washington, IL 61571 U.S.A. Please send reprint requests (of this author) to the Washington, Illinois address 4Department of Agricultural Biology. College of Agriculture Chungbuk National University, Cheongju 361-763, KOREA.
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