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Sites, R.W. 2015. New taxa of Cryphocricinae (Heteroptera: Naucoridae) from the Guiana Shield: Hygropetrocoris Sites, n. gen. and two new species of Ambrysus Stål . Zootaxa. 4033, 3 (Oct. 2015), 427–438. DOI:https://doi.org/10.11646/zootaxa.4033.3.7.