Myrmecina kaigong

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Myrmecina kaigong
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Myrmecina
Species: M. kaigong
Binomial name
Myrmecina kaigong
Terayama, 2009

Myrmecina kaigong side (www.niaes.affrc.go.jp).jpg

Myrmecina kaigong top (www.niaes.affrc.go.jp).jpg

Specimen labels

Nothing is known about the biology of Myrmecina kaigong.

Identification

Terayama (2009) - This species resembles Myrmecina sauteri, from Taiwan and Myrmecina ryukyuensis, from the Ryukyu Islands, southwestern Japan. However, it is distingished from sauteri by the straight anterior margin and obtusely angulate anterolateral corners of 1st gastral tergum (concave anterior margin and acutely angulate anterolateral margin in sauteri), and from ryukyuensis by the rather thick and straight, oblique rugae on head, and the smooth genal area (rugae on head thinner and much irregular, and longitudinal, and genal area microreticulate in ryukyuensis).

Distribution

Distribution based on Regional Taxon Lists

Oriental Region: Taiwan (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Known only from the worker caste.

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • kaigong. Myrmecina kaigong Terayama, 2009: 188, figs. 252, 253 (w.) TAIWAN.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Worker

Holotype. HL 0.58, HW 0.55, SL 0.45, WL 0.68, PL 0.18, PH 0.20, DPW 0.16, PPL 0.15, PPH 0.20, PPW 0.23, TL 2.2.

Head rectangular, 1.05 times as long as wide, with weakly convex posterior margin and sides in full face view; posterolateral corner forming an obtuse angle; vertex with about 20 even oblique rugae; the rugae rather thick and straight; genal area smooth and shining. Anterior margin of clypeus almost straight, without median projection. Eye small, consist of 4 facets, and 0.03 mm long. Antennal scape short, SI = 82, not reaching posterior margin of head; basal portion parallel, not broaden.

Dorsum of alitrunk with about 12 longitudinal rugae; propodeal tooth triangular, tip directed to posterior portion. Petiole slightly higher than long, with straight anterior margin in profile; a dull angle present at midlength of dorsal margin; subpetiolar process present, bearing small anteroventral lobe. Postpetiole 1.3 times as long as high, with convex dorsal margin.

Gaster smooth and shining; anterolateral corner of 1st tergum forming an obtuse angle, and anterior marign straight in dorsal view.

Color. Head and alitrunk black; petiole, postpetiole, and gaster dark brown; mandible blackish brown; antenna and legs yellow.

Type Material

Holotype. Worker, Chihpenxi, Taitung Pref. , 20. viii . 1980, M. Terayama leg. NIAES

Etymology

The specific epithet is the Chinese noun kaigong, which is the name of a Taiwanese god.

References