Salina, MacGillivray

Oliveira, Fábio G. L., Cipola, Nikolas G. & Almeida, Eduardo A. B., 2020, Systematics and biogeography of Salina MacGillivray (Collembola: Entomobryoidea), with emphasis on the species groups in the New World, Insect Systematics & Evolution 51, pp. 81-138 : 127-129

Key to American species of Salina with square mucro

1 Body pigments pattern with transverse or longitudinal bands ( Figures 9C, J ) … 2

– Body pigments with varied pattern, reduced or absent, without clear bands ....... 5

2 Body with longitudinal bands ( Figure 9C ) …………………………………… 3

– Body with transverse bands ( Figure 9J ) ………………………………………… …………………… S. dedoris Mari-Mutt, 1987a ; Brazil (new record), Colombia

3 Body with two lateral longitudinal bands in midline ( Figure 9C ) …………… 4

– Body with one longitudinal band in midline ………………………………..… ……………………………………………… S. trilobata ( Schött 1896) ; Mexico

4 Ant I with 6 dorsal mac; Th II–Abd I formula 8, 6, 2 central mac; mucro with 3 teeth ( Figure 19H ) …………………………………………………………………… ……………………………………………… S. banksi MacGillivray 1894 ; USA

– Ant I with 4 dorsal mac ( Fig 10C ); Th II–Abd I formula 1, 2, 2 central mac ( Figures 12C , 13C ); mucro with 4 teeth ( Figure 19G ) …………………………… ……………………………………………………… S. bicolor sp.n.; Colombia

5 Ant I with7or more dorsal mac( Figures10D,G );Abd IV with10or more central mac ( Figures 14 E–F) ……………………………………………………………… 6

– Ant I with 5 or less dorsal mac ( Figures 10 A–C, E–F, H–I); Abd IV with 7–8 central mac ( Figures 14D , G–I) ……………………………………………………… 7

6 Ant I with 9 dorsal mac ( Fig 10D ); Th III with 3 central mac ( Figure 12D ); Abd IV with 10 central mac ( Figure 14E ) …………………………………………… ………………………………………………………… S. hamadae sp.n.; Brazil

– Ant I with7dorsal mac( Fig10G );Th III with2central mac( Figure12G );Abd IV with 11–12 central mac ( Figure 14F ) ……………………………………………… …………………………………………………………… S. serrana sp.n.; Brazil

7 Th II with 1 dorsal mac ( Figures 12A, C, F, G, I ) ……………………………. 8

– Th II with 2 or more dorsal mac ( Figures 12B, E, H ) ………………………… 11

8 Ant I with 3 dorsal mac ( Figures 10F, I ); Th III–Abd I with 1, 1 central mac (p3) ( Figures 12F, I ) …………………………………………………………………… 9

– Ant I with 4 dorsal mac ( Figure 10A ); Th III–Abd I with 2 or more central mac, respectively (p1–3) ( Figure 12A ) …………………………………………… 10

9 Abd IV with 7 central and 9 lateral mac ( Figure 14I ); collophore with 1 posterior chaeta, lateral flap with 12 chaetae ( Figure 18C ) ……………….………… …………………………………………………………… S. peruana sp.n.; Peru

– Abd IV with 8 central and 10 lateral mac ( Figure 14D ); collophore with 2 posterior chaetae, lateral flap with 15 chaetae ( Figure 18G ) …………… ………………………………………………………… S. unisetosa sp.n.; Brazil

10 Th III p1 mac absent ( Figure 12A ) …………………… S. brasiliana sp.n.; Brazil

– Th III with p1 mac ……………………… S. panamae Jacquemart, 1982 ; Panama

11 Ant I with 4 or less dorsal mac; Abd IV without penis-shaped spot ( Figures 9B, H , 10B, H ) …………………………………………………………………… 12

– Ant I with 5 dorsal mac; Abd IV with one penis-shaped spot in dorsal view ( Figures 9E , 10E ) ……………………………………………………………… ……………………………………………………… S. maculipenis sp.n.; Brazil

12 Trochanteral organ with 12–13 smooth spine-like chaetae ( Figures 16B, H ) … 13

– Trochanteralorganwith17smoothspine-likechaetae……………………………… ………………………………...……… S. zhangi Bellini & Cipola, 2017 ; Brazil

13 Th II with 2–5 dorsal mac ( Figures 12B, H ); Abd IV with 10 lateral mac ( Figure 14D ); mucro with 3–4 teeth ( Figures 19 D–I) ……………………………… 14

– Th II with 6 or more dorsal mac; Abd IV with 7 lateral mac; mucro with 4 teeth ( Figures 19 D–E, G) ………………………………………………………… 15

14 Th III with 5–9 dorsal mac ( Figure 12B ); Abd I often with 3 dorsal mac ( Figure 13B ); collophore lateral flap with 10 chaetae ( Figure 17D ) ……………… …………………………………………………………… S. bellinii sp.n.; Brazil

– Th III with 3–6 dorsal mac ( Figure 12H ); Abd I often with 1 or 2 dorsal mac ( Figure 13H ); collophore lateral flap with 13 chaetae ( Figure 18G ) ……………………… ……………………………………………………... S. tocantinensis sp.n.; Brazil

15 Collophore posteriorly with2or less chaetae……………………………………… ……………………………………… S. hermana Mari-Mutt, 1987a ; Colombia

– Collophore posteriorly with 4–5 chaetae ………………………………………… …………… S. tristani Denis 1931 ; Puerto Rico, Costa Rica, Brazil (new record)

Figures

Fig. 9. Habitus of Salina spp. (dorsal view): (A), Salina brasiliana sp.n.; (B), S. bellinii sp.n.; (C), S. bicolor sp.n.; (D), S. hamadae sp.n.; (E), S. maculipenis sp.n.; (F), S. peruana sp.n.; (G), S. serrana sp.n.; (H), S. tocantinensis sp.n. (distal half of Ant IV missing); (I), S. unisetosa sp.n.; (J), S. dedoris from Roraima state, Brazil; (K), S. tristani from Amazonas state, Brazil. Scale bars: 0.5 mm.

Fig. 19. Genital plate and furcula of Salina spp.: (A–B), Genital plate of Salina serrana sp.n. (ventral view): (A), ♂; (B), ♀. (C), Distal manubrium and proximal dens of S. brasiliana sp.n. (lateral view), arrow indicates chaeta absent in manubrial plate of some species. (D–I), distal dens and mucro (inner view):(D), S. brasiliana sp.n.; (E), S. bellinii sp.n.; (F), S. hamadae sp.n.; (G), S. maculipenis sp.n.; (H), S. peruana sp.n.; (I), S. serrana sp.n.

Fig. 10. Head structures of Salina spp.: (A–I), Ant I dorsal chaetotaxy (right): (A), Salina brasiliana sp.n.; (B), S. bellinii sp.n.; (C), S. bicolor sp.n.; (D), S. hamadae sp.n.; (E), S. maculipenis sp.n.; (F), S. peruana sp.n.; (G), S. serrana sp.n.; (H), S. tocantinensis sp.n.; (I), S. unisetosa sp.n., arrow indicates mac present or absent. (J–K), general structures of anterior and ventral head: (J), labral papillae, prelabral and labral chaetotaxy; (K), maxillary outer lobe and sublobal plate; (L), labial palp and proximal chaetae; (M), labial basolateral and basomedian fields.

Fig. 12. Th II–III dorsal chaetotaxy of Salina spp.: (A), Salina brasiliana sp.n.; (B), S. bellinii sp.n.; (C), S. bicolor sp.n.; (D), S. hamadae sp.n.; (E), S. maculipenis sp.n.; (F), S. peruana sp.n.; (G), S. serrana sp.n.; (H), S. tocantinensis sp.n.; (I), S. unisetosa sp.n.

Fig. 13. Abd I dorsal chaetotaxy of Salina spp.: (A), Salina brasiliana sp.n.; (B), S. bellinii sp.n.; (C), S. bicolor sp.n.; (D), S. hamadae sp.n.; (E), S. maculipenis sp.n.; (F), S. peruana sp.n.; (G), S. serrana sp.n.; (H), S. tocantinensis sp.n.; (I), S. unisetosa sp.n.

Fig. 14. Abd III–IV dorsal chaetotaxy of Salina spp.: (A–C), Abd III: (A), Salina brasiliana sp.n.; (B), S. hamadae sp.n.; (C), S. serrana sp.n. (D–I), Abd IV: (D), S. brasiliana sp.n.; (E), S. hamadae sp.n.; (F), S. serrana sp.n.; (G), S. bicolor sp.n.; (H), S. maculipenis sp.n.; (I), S. peruana sp.n.

Fig. 18. Collophore chaetotaxy of Salina spp.: (A–B), Salina maculipenis sp.n.: (A), anterior side; (B), lateral and posterior side. (C–E), complete chaetotaxy (lateral view): (C), S. peruana sp.n.; (D), S. serrana sp.n.; (E), S. unisetosa sp.n.; (F–G), S. tocantinensis sp.n.: (F), anterior side; (G), lateral and posterior side.

Fig. 16. Legs structures of Salina spp.: (A–I), trochanteral organ (right): (A), Salina brasiliana sp.n.; (B), S. bellinii sp.n.; (C), S. bicolor sp.n.; (D), S. hamadae sp.n.; (E), S. maculipenis sp.n.; (F), S. peruana sp.n.; (G), S. serrana sp.n.; (H), S. tocantinensis sp.n.; (I), S. unisetosa sp.n. (J–K), distal tibiotarsus and foot complex (posterior side): (J), fore leg; (K), hind leg.

Fig. 17. Collophore chaetotaxy of Salina spp.: (A–B), Salina brasiliana sp.n.: (A), anterior side; (B), lateral and posterior side. (C–D), S. bellinii sp.n.: (C), anterior side; (D), lateral and posterior side. (E), complete chaetotaxy (lateral view) of S. bicolor sp.n. (F–G), S. hamadae sp.n.: (F), anterior side; (G), lateral and posterior side.