Diacamma rugosum anceps Matsumura & Uchida, 1926 valid
Diacamma rugosum var. anceps Matsumura & Uchida, 1926: 51 (w.) CHINA (Hong Kong), INDONESIA (Enggano), MYANMAR. Indomalaya.
Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: China: Hong Kong (F. Ris), Indonesia: Sumatra, Enggano I., Bua Bua, v.-vi.1891 (E. Modigliani), and Myanmar (“Birmania”): Carin (L. Fea). Primary type depositories: MSNG, NHMB, SIZK. Type notes: 1) Baroni Urbani, 1973b: 132, cites 1 worker syntype in NHMB. 2) Radchenko et al., 2023: 15, cite 1 worker syntype in SIZK.
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