Further additions to the knowledge of Strumigenys (Formicidae: Myrmicinae) within South East Asia, with the descriptions of 20 new species Author Tang, Kit Lam 89B25F7E-C455-49BE-A9E5-669E96001A3B School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pok Fu Lam Road, Hong Kong SAR, China. u3508935@connect.hku.hk Author Guénard, Benoit 3885FFD6-3FE4-428A-88BD-C5E88F2BC315 School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pok Fu Lam Road, Hong Kong SAR, China. zeroben@gmail.com text European Journal of Taxonomy 2023 2023-11-14 907 1 144 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2327/10121 journal article 287453 10.5852/ejt.2023.907.2327 4b338a9d-0693-4371-9159-0c6ebfaef6e5 2118-9773 10148811 EBE82908-1221-4774-A934-6219D19AA545

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.

					Characters
Species	Appressed hairs only on cephalic dorsum in profile	Erect hairs only on cephalic dorsum in profile	Erect hairs restricted to behind the highest point of vertex only	Hairs on cephalic dorsum mostly simple (not spatulatiform)	Simple and fine hairs on clypeal dorsum only	Lateral-projecting hair absents in full-face view	Projecting hairs present on tibiae	Pronotum marginated	Side of mesosoma mostly sculptured	Propodeal spine presents	Propodeal declivity with broad lamella	Dorsum of petiolar node sculptured
S. decumbens sp. nov.	1	0	0	0	0	1	0	1	1	1	1	1
S. delicata sp. nov.	0	0	0	1	1	0	1	1	1	1	1	1
S. densissima sp. nov.	0	0	1	1	0	0	1	1	1	1	1	1
S. doydeei sp. nov.	1	0	0	0	0	1	1	1	1	1	1	1
S. intermedia sp. nov.	0	0	0	1	0	0	1	1	1	1	1	1
S. rongi sp. nov.	1	0	0	0	0	1	0	1	0	1	0	1
S. strummeri sp. nov.	0	1	0	1	0	0	1	1	1	1	1	1
S. yamanei sp. nov.	0	1	0	1	0	0	1	0	0	1	1	1
S. zanderi sp. nov.	1	0	0	0	0	1	0	1	0	1	1	1
S. zhenghuii sp. nov.	0	0	0	0	0	0	1	1	0	1	1	1
S. ailaoshana (Xu & Zhou, 2004)	0	0	1	0	0	0	1	1	1	1	1	1
S. alecto (Bolton, 2000)	0	0	0	0	0	0	1	0	0	1	1	1
S. assamensis De Andrade, 1994	1	0	0	0	0	1	0	1	0	0	1	0
S. benten (Terayama et al., 1996)	1	0	0	0	0	0	0	0	0	1	1	1
S. calvus Dong & Kim, 2020	1	0	0	0	0	1	0	0	0	1	1	0
S. elegantula (Terayama & Kubota, 1989)	0	0	1	0	0	0	1	1	1	1	1	1
S. euryale (Bolton, 2000)	1	0	0	0	0	0	1	1	1	1	0	1
S. formosimonticola (Terayama et al., 1996)	0	0	1	0	0	0	0	0	0	1	1	1
S. jacobsoni Menozzi, 1939	0	1	0	1	0	0	1	1	1	1	1	1
S. japonica Ito, 1914	1	0	0	0	0	1	0	0	1	1	0	1
S. leptothrix Wheeler, 1929	0	1	0	1	0	0	1	1	0	1	1	1
S. medusa (Bolton, 2000)	0	1	0	1	0	0	1	1	1	1	0	1
S. megaera (Bolton, 2000)	1	0	0	0	0	1	0	1	1	1	0	1
S. nankunshana (Zhou, 2011)	0	0	1	0	0	0	1	1	1	1	1	1
S. rudinodis Stärcke, 1941	1	0	0	0	0	0	0	0	1	1	0	1
S. scolopax (Bolton, 2000)	1	0	0	0	0	1	0	1	1	1	0	1
S. scylla (Bolton, 2000)	0	0	0	0	0	0	1	1	1	1	0	1
S. stheno (Bolton, 2000)	0	1	0	1	0	0	1	1	1	1	0	1