Entomologische Berichten

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Nederlandse Entomologische Vereniging

T. Piek. (1986). Morphological and physiological differences between Philanthus triangulum (Fabricius, 1775), and its African subspecies abdelcader Lepeletier de Saint Fargeau, 1845(Hymenoptera: Sphecidae). Entomologische Berichten, 46(12), 190–192.