Pseudanapis yasunica Zamani & Marusik, 2024, sp. n.

Pseudanapis yasunica sp. n. (Fig. 1A – E) https://zoobank.org/ urn:lsid:zoobank.org:act: 8A50433E-6489-47A7-9BEA-99CE27465E95 Type material. Holotype ♂ (USNM), ECUADOR: Orellana Province: Tiputini Biodiversity Station, nr Yasuní National Park, transect – T/1 Sta.1, 00°37'55"S 76°08'39"W, 06.II.1999, 220– 250 m (T. L. Erwin et al.). Etymology. The specific epithet is an adjective, referring to Yasuní National Park. Diagnosis. The new species can be distinguished from all congeners by the shape of the embolus, which is strongly extended from the tegulum and bent at a right angle (Fig. 1D; vs. the embolus not stretched and adjoining the tegulum). Compared to the only congener known from Ecuador, P. domingo Platnick & Shadab, 1979, the new species differs in the shape of the embolus, a larger and longer distal process of the palpal femur, and a hooked dorsal process of the patella (cf. Fig. 1E and Platnick & Shadab, 1979: fig. 53). Description. Male. Habitus as in Fig. 1A. Total length 0.93. Carapace 0.40 long, 0.30 wide, 0.20 high. Eyes subequal in size, diameter of each ca. 0.06. Carapace, chelicerae, maxillae, labium and sternum orangish brown (Fig. 1A–B). Carapace covered with round pits. Sternum slightly convex. Legs slightly lighter than carapace, without annulations or modifications. Abdomen light beige, with dorsal scutum covering ca. 0.8 of dorsum length, epigastral scutum ca. half of venter length, inframammilary scutum circular, wider ventrally; side of abdomen with pair of long wrinkles and ventral scuta (Fig. 1C). Spinnerets uniformly pale beige. Measurements of legs: I: 1.07 (0.32, 0.13, 0.25, 0.13, 0.24); II: 0.98 (0.29, 0.12, 0.21, 0.13, 0.23); III: 0.86 (0.25, 0.10, 0.18, 0.12, 0.21); IV: 1.06 (0.32, 0.12, 0.26, 0.14, 0.22). Palp as in Fig. 1D–E; trochanter (Tr) long, twice longer than wide; femur (Fe) 1.5 times longer than trochanter with two processes stretched at right angle, proximal one longer than femur’s diameter, distal one smaller, about diameter of femur and thinner than proximal; patella (Pt) triangular, dorsal angle with kind of small bill, distally very wide, 1.25 times longer than patella long and wider than femur long; tibia (Ti) small, as long as wide; cymbium oval; bulb oval; sperm duct (Sd) long, almost straight at retrolateral side of tegulum, making strong loop at anterior part of tegulum and another contra loop forming S-shaped figure (Fig 1E); conductor, if present, indistinct; embolus with wide triangular base (Eb) lacking distinct border with tegulum; tip of embolus (Et) needle-shaped, bent at right angle from base. Female. Unknown.

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2024-12-01
DOI
https://doi.org/10.5281/zenodo.17028592
Primary Topic
Geochemistry and Geologic Mapping
Type
article
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article

Pseudanapis yasunica Zamani & Marusik, 2024, sp. n.

Zenodo (CERN European Organization for Nuclear Research)
Geochemistry and Geologic Mapping
article

Pseudanapis yasunica Zamani & Marusik, 2024, sp. n.

article en

Abstract

Pseudanapis yasunica sp. n. (Fig. 1A – E) https://zoobank.org/ urn:lsid:zoobank.org:act: 8A50433E-6489-47A7-9BEA-99CE27465E95 Type material. Holotype ♂ (USNM), ECUADOR: Orellana Province: Tiputini Biodiversity Station, nr Yasuní National Park, transect – T/1 Sta.1, 00°37'55"S 76°08'39"W, 06.II.1999, 220– 250 m (T. L. Erwin et al.). Etymology. The specific epithet is an adjective, referring to Yasuní National Park. Diagnosis. The new species can be distinguished from all congeners by the shape of the embolus, which is strongly extended from the tegulum and bent at a right angle (Fig. 1D; vs. the embolus not stretched and adjoining the tegulum). Compared to the only congener known from Ecuador, P. domingo Platnick & Shadab, 1979, the new species differs in the shape of the embolus, a larger and longer distal process of the palpal femur, and a hooked dorsal process of the patella (cf. Fig. 1E and Platnick & Shadab, 1979: fig. 53). Description. Male. Habitus as in Fig. 1A. Total length 0.93. Carapace 0.40 long, 0.30 wide, 0.20 high. Eyes subequal in size, diameter of each ca. 0.06. Carapace, chelicerae, maxillae, labium and sternum orangish brown (Fig. 1A–B). Carapace covered with round pits. Sternum slightly convex. Legs slightly lighter than carapace, without annulations or modifications. Abdomen light beige, with dorsal scutum covering ca. 0.8 of dorsum length, epigastral scutum ca. half of venter length, inframammilary scutum circular, wider ventrally; side of abdomen with pair of long wrinkles and ventral scuta (Fig. 1C). Spinnerets uniformly pale beige. Measurements of legs: I: 1.07 (0.32, 0.13, 0.25, 0.13, 0.24); II: 0.98 (0.29, 0.12, 0.21, 0.13, 0.23); III: 0.86 (0.25, 0.10, 0.18, 0.12, 0.21); IV: 1.06 (0.32, 0.12, 0.26, 0.14, 0.22). Palp as in Fig. 1D–E; trochanter (Tr) long, twice longer than wide; femur (Fe) 1.5 times longer than trochanter with two processes stretched at right angle, proximal one longer than femur’s diameter, distal one smaller, about diameter of femur and thinner than proximal; patella (Pt) triangular, dorsal angle with kind of small bill, distally very wide, 1.25 times longer than patella long and wider than femur long; tibia (Ti) small, as long as wide; cymbium oval; bulb oval; sperm duct (Sd) long, almost straight at retrolateral side of tegulum, making strong loop at anterior part of tegulum and another contra loop forming S-shaped figure (Fig 1E); conductor, if present, indistinct; embolus with wide triangular base (Eb) lacking distinct border with tegulum; tip of embolus (Et) needle-shaped, bent at right angle from base. Female. Unknown.

Zenodo (CERN European Organization for Nuclear Research)
Life in Land
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Geochemistry and Geologic Mapping
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