A new subterranean species and an updated checklist of Strumigenys (Hymenoptera, Formicidae) from Macao SAR, China, with a key to species of the Greater Bay Area Author Brassard, Francois The Insect Biodiversity and Biogeography Laboratory School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Rd, Lung Fu Shan, Hong Kong SAR, China https://orcid.org/0000-0002-6234-7013 francois.brassard.bio@gmail.com Author Leong, Chi-Man The Insect Biodiversity and Biogeography Laboratory School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Rd, Lung Fu Shan, Hong Kong SAR, China & Macao Science Center, Avenida Dr. Sun Yat-Sen, Macao SAR, China Author Chan, Hoi-Hou Division of Nature Conservation Studies, Instituto Para Os Assuntos Municipais, Macao SAR, China Author Guenard, Benoit The Insect Biodiversity and Biogeography Laboratory School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Rd, Lung Fu Shan, Hong Kong SAR, China text ZooKeys 2020 970 63 116 http://dx.doi.org/10.3897/zookeys.970.54958 journal article http://dx.doi.org/10.3897/zookeys.970.54958 1313-2970-970-63 FDBB83EFF35347309887C079A443C0E5 E4C11F11835D50AA8B1A3EA4920A43D0

Table 2. Comparison of five diagnostic characters for S. rostrata group. Characters are (A) appressed spatulate hairs on cephalic region, (B) margin of clypeus convex, (C) anterior margin of postpetiole concave, (D) propodeal spines small or absent and (E) eye composed of a single ommatidium. Values represent the presence (1) or absence (0) of a character.

Species	Characters
	A	B	C	D	E
subterranea	1	1	1	1	1
ambatrix	1	1	1	0	0
arizonica	0	0	0	0	0
atropos	0	0	0	1	1
Bunki	1	0	0	1	0
californica	1	0	0	0	0
carolinensis	1	0	0	0	0
chiricahua	0	0	0	0	0
emeswangi	0	0	1	1	0
Fautrix	1	1	1	0	0
hyalina	1	0	0	0	0
incerta	0	0	1	1	0
inopina	0	0	1	0	0
nepalensis	1	0	1	0	0
rostrata	1	0	0	0	0
rostrataeformis	1	1	0	0	0
symmetrix	1	1	1	0	0
Victrix	1	0	1	1	0