B. Lis, “Description of the unknown fifth instar of Emblethis duplicatus Seidenstücker, 1963 (Hemiptera: Heteroptera: Rhyparochromidae), with a key to 5th instar nymphs of Emblethis Fieber, 1860”, Zootaxa, vol. 2771, no. 1, pp. 62–64, Feb. 2011.