Rijal Satria, Seiki Yamane
Two new species of the ant genus Myrmecina Curtis, 1829 are described and illustrated based on the worker and queen castes collected in Sumatra, Indonesia under the names M. andalas sp. nov. and M. nitidiuscula sp. nov. Each species displays unique morphological characteristics. Myrmecina andalas sp. nov. is characterized by a combination of the following characteristics: Head dorsally sculptured, with the ventrolateral area smooth and shiny; propodeal spine short, triangular, pointing dorsad and with a broad base; propodeal declivity vertical, with the posterodorsal angle almost 90°. Myrmecina nitidiuscula sp. nov. is characterized by a combination of the following characteristics: Head dorsum largely smooth and shiny; propodeal spine triangular and pointing posteriad, with a very broad base. Updated key to Myrmecina species of Sumatra is given. © 2019 Zoological Institute RAS and the Author(s).
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, West Sumatra, 35171, Indonesia; Haruyama-cho 1054-1, Kagoshima-shi, 899-2704, Japan