Up till now the worker caste of Lasius viehmeyeri was unknown. In the Stärcke Collection present in the Nationaal Natuurhistorisch Museum at Leiden, a worker of L. viehmeyeri was discovered under Lasius umbratus var. affinis Schenck. This specimen from Dalmatia is described and figured.

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Zoologische Mededelingen

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Naturalis journals & series

Boer, P. (2003). First description of the worker caste of Lasius viehmeyeri Emery (Hymenoptera: Formicidae). Zoologische Mededelingen, 77, 15-36, 321–323.