Ewok aymara (Chamberlin, 1916)

♀ Female described ♂ Male described

Female © Kaderka & Quispe-Colca (2025), fig. 9, adult female alive at Atumpata, the type locality. Photo: Radan Kaderka

Type Locality and Records

Type locality

Original Description

Chamberlin, R. V. (1916). Results of the Yale Peruvian Expedition of 1911. The Arachnida. Bulletin of the Museum of Comparative Zoology Harvard 60: 177-299.

Distribution

Peru

Adult Male Activity

Collection months of 3 adult male specimen records, against the rainfall where they live

Adult males collected

Mean monthly rainfall and temperature 2001–2020 near the type locality, Peru, 247 m. MERRA-2 via NASA POWER. Wet and dry seasons, from the rainfall at the locality itself.

Etymology

Aymara: A tribe of the indigenas of Peru

Pronunciation

Avicularia (uh-vik-yuh-LAH-ree-uh)

Specimen Records (4)

MUSM-ENT 0514045 ♂ Peru

Ninabamba, 2,431 m a.s.l., Ayacucho

October 2018 · col. R. Kaderka

Adult male of Thrixopelma aymara from the Pampas River valley, the second known population and the basis for extending the species range into Ayacucho, about 100 km from the type locality.

MUSM-ENT 0513041 ♂ Peru

Ahuyaro, near the bridge across the Rio Pampas, 2,006 m a.s.l., Apurimac

October 2018 · col. R. Kaderka

Adult male of Thrixopelma aymara from the Rio Pampas valley. The habitat here is shared with Urupelma pampas Kaderka et al., 2023.

MUSM-ENT 0515861 ♂ Peru

Atumpata, Abancay, 2,661 m a.s.l., Apurimac

November 2022 · col. R. Kaderka & O. Quispe-Colca

The specimen on which the first description of the male of Thrixopelma aymara is based, a topotype collected alive. Total length 42.70 mm, carapace 20.30 mm long.

MUSM-ENT 0515853 ♀ Peru

Atumpata, Abancay, 2,703 m a.s.l., Apurimac

November 2022 · col. R. Kaderka & O. Quispe-Colca

Adult female of Thrixopelma aymara from the type locality, photographed alive (fig. 9).

Genitalia

Spermathecae © Kaderka & Quispe-Colca (2025), fig. 25, spermathecae of immature females from Ninabamba, dissected from exuviae. Photo: Radan Kaderka

Male palp © Kaderka & Quispe-Colca (2025), fig. 16, right palpal bulb of male MUSM-ENT 0515861 in prolateral, retrolateral and retrolaterally ventral view. Photo: Radan Kaderka

Bibliography (3)

Chamberlin, R. V. (1916). Results of the Yale Peruvian Expedition of 1911. The Arachnida. Bulletin of the Museum of Comparative Zoology Harvard 60: 177-299.

Kaderka, R. & Quispe-Colca, O. M. (2025). Description of a male of the Peruvian tarantula Thrixopelma aymara (Chamberlin, 1916), and a new species of Thrixopelma Schmidt, 1994 from Peru (Araneae; Theraphosidae; Theraphosinae), with comments on the conservation of tarantulas in Peru. Revista peruana de biologia 32(2): e30562.

Sherwood, D., Gabriel, R., Peñaherrera-R., P. J., León-E, R. J., Rollard, C., Leguin, E., Brescovit, A. D. & Lucas, S. M. (2025). On the identity of some taxa in the tarantula tribe Hapalopini, with two synonymies, and description of four new genera and three new species (Araneae: Theraphosidae). ZooNova 46: 1-23.