Taxonomic review of the plant bug genera Amapacylapus and Cylapus with descriptions of two new species and a key to the genera of Cylapini (Hemiptera: Heteroptera: Miridae) Author Wolski, Andrzej text Acta Entomologica Musei Nationalis Pragae 2017 Acta. Ent. Mus. Natl. Pragae 2017-12-31 57 2 399 455 http://dx.doi.org/10.1515/aemnp-2017-0084 journal article 10.1515/aemnp-2017-0084 0374-1036 5315312 03305E03-AF44-4C6D-9E2B-9A3EE979C5AF Key to species of Amapacylapus Carvalho & Fontes, 1968 1. Corium with regular yellow pattern ( Figs 1–5 , 23–26 ); membrane fuscous with two distinct yellow patches: one larger, bordering or situated close to apical part of major cell and other contiguous with apex of cuneus ( Figs 1–5 , 23–26 ). ...................................... 2 – Corium entirely dark castaneous or black; membrane uniformly fuscous ( CARVALHO 1986 ). ............................................................................................................................ 4 2. Yellow pattern on hemelytron fully developed, with two patches on inner, apical angle of endocorium (p6 and p7) ( Figs 24 , arrows). ................ A. englemani Carvalho, 1991 – Endocorium with only one yellow patch on inner, apical angle of endocorium (p6) ( Figs 23, 25, 26 , arrows). ........................................................................................................ 3 3. Pronotum dark brown with narrow yellow stripe along posterior margin ( Fig. 5 ). ......... ......................................................................................................... A. unicolor sp. nov. – Pronotum dark brown with large yellow patches laterally and medially ( Figs 1, 2 ). ...... ................................................................... A. amapariensis ( Carvalho & Fontes, 1968 ) 4. Hemelytron entirely black. .......................................... A. rondoniensis Carvalho, 1986 – Hemelytron dark castaneous with costal fracture yellow. ................................................ ......................................................................................... A. nigricapitis Carvalho, 1986