Illustrated key to the genera included in the tribe Acanthocephalini (Hemiptera Heteroptera: Coreidae: Coreinae), with descriptions of three new genera, seven new species, new taxonomic rearrangements, and a key to genera of Placoscelini Author Brailovsky, Harry text Zootaxa 2021 2021-12-21 5082 5 457 475 journal article 2716 10.11646/zootaxa.5082.5.4 3fa676b0-872a-41c6-85ea-dacfab4e216a 1175-5326 5794957 D46E05BA-53A9-4284-984D-F85477D1998C Key to the known species of Anomalopetalops gen. nov. 1 Pronotal disc darker, brick red to dark reddish brown, densely tinged with bluish green reflections ( Fig. 2 )...................................................................................................... A. brulei sp. nov. - Pronotal disc pale castaneous orange, scattered with bluish green reflections...................................... 2 2 Hind femora pale castaneous orange with spines and tubercles black; pro-, meso-, and meta-acetabulae pale orange without bluish green reflections; scutellum black with apex yellow; anterior and posterior lobe of metathoracic peritreme pale orange ( Fig. 3 )........................................................................... A. diamantinus sp. nov. - Hind femora bicolored, inner face shiny reddish brown, outer face shiny brick red; pro-, meso-, and meta-acetabulae shiny black, densely tinged with bluish green reflections; scutellum black with lateral margins, apex and longitudinal stripe running across midline of disc yellow; anterior and posterior lobe of metathoracic peritreme black ( Fig. 1 )....................................................................................................... A. ariquemesus sp. nov.