Acyphoderes Audinet-Serville, 1833

Clarke, Robin O. S., 2015, Revision of the genus Acyphoderes Audinet-Serville, 1833, with a brief synopsis of the genus Bromiades Thomson, 1864 (Coleoptera, Cerambycidae), Insecta Mundi 2015 (401), pp. 1-92 : 17-18

Key to the Species-groups of Acyphoderes Audinet-Serville, 1833 based on females

(Female of A. amboroensis not known.)

1. Antennomeres III and IV narrow, cylindrical and not widened at apex, VI-X not strongly serrate (apex of each segment less than 2 times wider than base), lengths antennomere III/scape 1.13- 1.46; prosternum flat, or tumid at centre (but without tubercle); base of prosternal process less than half (0.25-0.41) width of coxal cavity; elytra longer (length/width of humeri 2.3-2.6), apex reaching urosternite III-IV; apical tergite narrow with subparallel sides, and usually with strongly raised keel at midline; metatibiae with brush or simply setose; metatarsomere I/II+III 1.00-1.31 ..................................................................................................................................... 2

— Antennomere III and IV incrassate and widened at apex, VI-X strongly serrate (apex of each segment 2-3 times wider than base), lengths antennomere III/scape 0.73-0.81; prosternum with large rounded tubercle at centre; base of prosternal process nearly two-thirds (0.63-0.64) width of coxal cavity; elytra shorter (length/width of humeri 1.7-2.0), apex reaching urosternite II; apical tergite conical and lacking strongly raised keel at midline ( A. aurulenta may have feeble one); apical half of metatibia with brush; metatarsomere I/II+III 0.64-0.75 .......... GROUP 1

2(1). Lengths antennomere III/scape 1.29-1.46; rostrum width/length 1.70-2.00; lengths elytra/forebody 1.04-1.20; apical tergite with strongly raised keel at midline; apical two-thirds of metatibia with brush ................................................................................................................. GROUP 2

— Lengths antennomere III/scape 1.13; rostrum width/length 2.75; lengths elytra/forebody 0.96; apical tergite hardly raised at midline; metatibiae simply setose ............................ GROUP 3