Table 6 in Further additions to the knowledge of Strumigenys (Formicidae: Myrmicinae) within South East Asia, with the descriptions of 20 new species

Table 6. Diagnostic characters of Strumigenys decumbens sp. nov., Strumigenys delicata sp. nov., Strumigenys densissima sp. nov., Strumigenys doydeei sp. nov., Strumigenys intermedia sp. nov., Strumigenys rongi sp. nov., Strumigenys strummeri sp. nov., Strumigenys yamanei sp. nov., Strumigenys zanderi sp. nov. and Strumigenys zhenghuii sp. nov. in comparison with Oriental and Sino-Japanese species from the S. leptothrix -group. Values indicate the presence (1) or absence (0) of a character.
CharactersSpeciesAppressed hairs only on cephalic dorsum in profileErect hairs only on cephalic dorsum in profileErect hairs restricted to behind the highest point of vertex onlyHairs on cephalic dorsum mostly simple (not spatulatiform)Simple and fine hairs on clypeal dorsum onlyLateral-projecting hair absents in full-face viewProjecting hairs present on tibiaePronotum marginatedSide of mesosoma mostly sculpturedPropodeal spine presentsPropodeal declivity with broad lamellaDorsum of petiolar node sculpturedS. decumbens sp. nov.100001011111S. delicata sp. nov.000110111111S. densissima sp. nov.001100111111S. doydeei sp. nov.100001111111S. intermedia sp. nov.000100111111S. rongi sp. nov.100001010101S. strummeri sp. nov.010100111111S. yamanei sp. nov.010100100111S. zanderi sp. nov.100001010111S. zhenghuii sp. nov.000000110111S. ailaoshana (Xu & Zhou, 2004)001000111111S. alecto (Bolton, 2000)000000100111S. assamensis De Andrade, 1994100001010010S. benten (Terayama et al., 1996)100000000111S. calvus Dong & Kim, 2020100001000110S. elegantula (Terayama & Kubota, 1989)001000111111S. euryale (Bolton, 2000)100000111101S. formosimonticola (Terayama et al., 1996)001000000111S. jacobsoni Menozzi, 1939010100111111S. japonica Ito, 1914100001001101S. leptothrix Wheeler, 1929010100110111S. medusa (Bolton, 2000)010100111101S. megaera (Bolton, 2000)100001011101S. nankunshana (Zhou, 2011)001000111111S. rudinodis Stärcke, 1941100000001101S. scolopax (Bolton, 2000)100001011101S. scylla (Bolton, 2000)000000111101S. stheno (Bolton, 2000)010100111101