Illustration of Eoanthidium (Hemidiellum) riparium (Cockerell, 1929) facial maculation mapped according to their geographic locations (blue boxes indicate Indian-Pakistani morphs, reddish boxes indicate Indochina morphs; a morph marked with asterisk is illustrated based on Wu 1962: fig. 22).
Part of: Nalinrachatakan P, Ascher JS, Kasparek M, Traiyasut P, Thanoosing C, Warrit N (2023) A review of the anthidiine bees (Apoidea, Megachilidae) in Thailand. ZooKeys 1186: 235-284. https://doi.org/10.3897/zookeys.1186.95203