Table 1. Sequence divergence at COI among Collembola for congeneric species pairs, after literature and the present work.

Reference	Family	Genus	Number of species	Mean divergence (%)
This work	Onychiuridae	Thalassaphorura debilis & thalassophila	2	4.3
Katz, Giordano & Soto-Adames (2015)	Entomobryidae	Entomobrya	11	17.83
Porco et al. (2012a)	Entomobryidae	Heteromurus	2	23.02
Pan (2015)	Entomobryidae	Homidia	2	18
Porco et al. (2012a)	Hypogastruridae	Ceratophysella	4	22.66
Hogg & Hebert (2004)	Isotomidae	Folsomia	4	17
Porco et al. (2012b)*	Isotomidae	Parisotoma	3	24.55
Porco et al. (2012a)	Neanuridae	Bilobella	2	23.19
Deharveng et al. (2015)	Neanuridae	Deutonura	4	18.95
Porco et al. (2010)	Neanuridae	Deutonura	5	20.25
Porco et al. (2012a)	Neanuridae	Deutonura	4	23.24
Sun et al. (2017)**	Onychiuridae	Protaphorura	13	16.35
This work***	Onychiuridae	Thalassaphorura	7	19.4
Hogg & Hebert (2004)	Sminthuridae	Sminthurides	2	21
Porco et al. (2012a)	Tomoceridae	Tomocerus	3	19.60
Yu et al. (2016)	Tomoceridae	Tomocerus	2	20.4
Yu, Ding & Ma (2017)	Tomoceridae	Tomocerus	6	18.66

Notes:

^*Recalculated, Parisotoma notabilis excluded.

^**Recalculated, the MOTUs which could not be separated by morphological characters excluded.

^***Divergence between T. debilis and T. thalassophila excluded.