Gelanor siquirres, Ligia R. Benavides & Gustavo Hormiga, 2016

Ligia R. Benavides & Gustavo Hormiga, 2016, Taxonomic revision of the Neotropical pirate spiders of the genus Gelanor Thorell, 1869 (Araneae, Mimetidae) with the description of five new species, Zootaxa 4064 (1), pp. 1-72 : 52-55

Gelanor siquirres new species

( Figs. 44 , 48 )

Type. Female holotype, COSTA RICA, Siquirres Canton. 20–23.v.1994. F. Schrader leg. ( AMNH). Additional material examined. None.

Etymology. The species epithet is a noun in apposition taken from the type locality.

Diagnosis. Females of Gelanor siquirres n. sp. can be distinguished from the other congeneric species by the unique “mushroom” shape of its epigynum in ventral view, with a wide septum ( Fig. 44 I, J).

Description. Female holotype. Habitus as in Figs. 44 A–D. Total length 5.52. Carapace orange. Cephalothorax 3.20 long, 2.45 wide, 1.00 high; abdomen white 2.32 long, 2.63 wide, 2.21 high. Sternum light brown 1.64 long, 1.25 wide. Labium 0.47 long, 0.40 wide, darker than the sternum. Clypeus 0.13 high. AME interdistance 0.27; PME interdistance 0.13; PME–AME distance 0.29; AME–ALE distance 0.36; PME–PLE distance 0.45. Chelicerae pale yellow ( Figs. 44 D, E). ChL 1.26, ChW1 0.66; ChW2 0.71. Epigynum as in Figs. 45 F–L, with a wide septum; spermathecae rounded and less than one diameter apart, not externally fused ( Fig. 44 K).

Variation. Unknown, only one adult specimen available for study.

Distribution. Only known by its type locality in Siquirres , Costa Rica ( Fig. 48 ).

Tr Fm Pt Tb Mt Ta

Palp 0.11 0.97 0.42 0.78 0.99

Leg I 0.13 4.06 1.01 4.02 4.32 2.03

Leg II 0.09 3.91 1.02 3.06 3.18 1.41

Leg III 0.21 2.55 0.65 1.71 1.13 0.8

Leg IV 0.24 2.78 0.61 2.07 1.98 0.72

Figures

FIGURE 44. Gelanor siquirres new species, female holotype; A – C, Habitus; D – E, Cephalothorax; F – L, Genitalia. A, Dorsal. B, Lateral. C, Ventral. D, Frontal. E, Peg teeth. F, H, Epigynum, anterior. G, L, Epigynum posterior. I, J, Epigynum, ventral. K, Spermathecae and fertilization ducts. Scale bars, A – C, 2 mm; D, 1 mm; E – L 200 µm.

FIGURE 45. Gelanor waorani new species, male holotype; A – C, Habitus; D, Chelicerae; E – G, Left legs; H – K, palp. A, Dorsal. B, Lateral. C, Ventral. D, Frontal view showing setae and peg teeth. E, Prolateral. F, Tarsi I and II dorsal. G, Metatarsi I and II dorsal. H, Prolateral. I, Dorsal. J, Retrolateral. K, Ventral. Scale bars, A – C, D, F, 1 mm; E – F, 2 mm; H – K, 500 µm.

FIGURE 48. Distribution records of Gelanor moyobamba new species (red square), Gelanor siquirres new species (red triangle) and Gelanor waorani new species (red star represents type locality and blue circles other records for the species).