Sparianthina, Banks, 1929

Rheims, Cristina A., 2021, The Neotropical genera Guadana Rheims, 2010 and Sparianthina Banks, 1929 (Araneae: Sparassidae: Heteropodinae), Zootaxa 5061 (3), pp. 401-431 : 422

publication ID

https://doi.org/10.11646/zootaxa.5061.3.1

publication LSID

lsid:zoobank.org:pub:14E73644-BF88-4999-887D-827553A372E1

DOI

https://doi.org/10.5281/zenodo.5700075

persistent identifier

https://treatment.plazi.org/id/D57D87F8-5755-2E6B-FF5B-FDD1A1E7F919

treatment provided by

Plazi

scientific name

Sparianthina
status

 

Identification key for all known species of Sparianthina

1 Males .............................................................................................. 2

- Females........................................................................................... 10

2(1) Embolus with medial spine-like projection ( Figs 103−104, 108, 109 View FIGURES 103−111 )............................................ 3

- Embolus without medial spine-like projection ( Figs 105−107, 110−111 View FIGURES 103−111 ).......................................... 6

3(2) Embolus with basal projection single, filiform ( Figs 103−104, 109 View FIGURES 103−111 ).............................................. 4

- Embolus with basal projection bifid with one branch laminar and distally blunt and one branch pointed ( Fig. 108 View FIGURES 103−111 ; Jäger et al. 2009: figs 22−23)............................................................................. S. pumilla

4(3) RTA subdistally bifid, with ventral branch shorter than dorsal branch ( Jäger et al. 2009: figs 69−70, 72−73); embolus two and a half times longer than wide ( Figs 104, 109 View FIGURES 103−111 )............................................................... 5

- RTA subdistally bifid, with ventral branch longer and wider than dorsal branch ( Jäger et al. 2009: figs 66−67) embolus almost as wide as long ( Fig. 103 View FIGURES 103−111 )......................................................................... S. adisi

5(4) RTA distally blunt in retrolateral view ( Jäger et al. 2009: fig 70); DTA pointing retrolaterad ( Fig. 95 View FIGURES 94−102 ).......... S. deltshevi

- RTA distally pointed in retrolateral view ( Jäger et al. 2009: fig.73); DTA pointing anteriad ( Fig. 100 View FIGURES 94−102 ).......... S. saaristoi

6(2) Embolus with basal projection single ( Figs 103−107, 109−110 View FIGURES 103−111 )................................................. 7

- Embolus with basal projection bifid, with one branch short, laminar and distally curved and one larger slightly concave ( Fig. 111 View FIGURES 103−111 )...................................................................................... S. soca sp. n.

7(6) DTA without projections ( Figs 96, 98, 101 View FIGURES 94−102 )................................................................. 8

- DTA with subdistal triangular projection ( Fig. 97 View FIGURES 94−102 )..................................................... S. milleri

8(7) DTA not strongly curved retrolaterally ( Figs 98, 101 View FIGURES 94−102 ); embolus with wide base, abruptly narrowed towards tip ( Figs 107, 110 View FIGURES 103−111 ) ................................................................................................... 9

- DTA C-shaped, strongly curved retrolaterally; embolus gradually tapering ( Figs 96 View FIGURES 94−102 , 105 View FIGURES 103−111 )....................... S. gaita

9(8) Embolus with rectangular base and basal projection gutter-shaped ( Fig. 107 View FIGURES 103−111 ); DTA gently curved ( Fig. 98 View FIGURES 94−102 )....... S. parang

- Embolus with elliptical base and basal projection straight and laminar ( Fig. 110 View FIGURES 103−111 ); DTA strongly bent dorsally ( Fig. 101 View FIGURES 94−102 )............................................................................................ S. selenopoides

10(1) Median septum with well-defined anterior atrium ( Figs 83 View FIGURES 83−88 , 113−116 View FIGURES 112−116 ); internal ducts strongly convoluted ( Figs 84−85 View FIGURES 83−88 ; Jäger et al. 2009: figs 15, 29, 59; Rheims 2011: fig. 5)............................................................. 11

- Median septum without well-defined anterior atrium ( Fig. 112 View FIGURES 112−116 ); internal ducts not convoluted ( Rheims 2011: figs 13−14)................................................................................................. S. gaita

11(10) Lateral lobes converging and touching posteriorly ( Figs 113−114 View FIGURES 112−116 ).............................................. 12

- Lateral lobes not touching posteriorly ( Figs 83 View FIGURES 83−88 , 115−116 View FIGURES 112−116 ).................................................... 13

12(11) Median septum gradually narrowing posteriorly from anterior atrium ( Fig. 114 View FIGURES 112−116 ); glandular projection rounded, short ( Rheims 2011: fig. 5).................................................................................. S. parang

- Median septum constricted by lateral lobes close to anterior atrium ( Fig. 113 View FIGURES 112−116 ); glandular projection long, cylindrical ( Jäger et al 2009: figs 59−60)............................................................................. S. milleri

13(11) Lateral lobes touching each other medially ( Figs 115−116 View FIGURES 112−116 )................................................... 14

- Lateral lobes not touching each other ( Fig. 83 View FIGURES 83−88 ).................................................. S. boyaca sp. n.

14(13) Anterior atrium rectangular, two times wider than long ( Fig. 116 View FIGURES 112−116 ).................................... S. selenopoides

- Anterior atrium slightly rounded, as wide as long ( Fig. 115 View FIGURES 112−116 )............................................ S. pumilla

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Sparassidae