Dorsal habitus of adult Acentetaphyllium gen. nov. and Nanophyllium to help illustrate the morphological differences/similarities between these two genera. Images scaled to relative size; scale bar associated with all images A Acentetaphyllium brevipenne female (Coll TM) B Nanophyllium chitoniscoides (Größer, 1992) female (Coll TM) C Acentetaphyllium stellae comb. nov. holotype male (SDNHM) D Nanophyllium rentzi holotype male (NHMUK) A, B photographs by Rene Limoges (IMQC) C photograph by first author D photograph by Paul Brock (NHMUK).