Szawaryn, Karol. 2019. “Unexpected Diversity of Whitefly Predators in Eocene Baltic amber—new Fossil Serangium Species (Coleoptera: Coccinellidae)”. Zootaxa 4571 (2). Auckland, New Zealand:270–276. https://doi.org/10.11646/zootaxa.4571.2.7.