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A new species of Urupelma Kaderka et al. 2023 from Peru (Araneae, Theraphosidae, Theraphosinae), and a new proposal of homologous keels

  Figure 5. Urupelma pampas Kaderka et al. 2023, from Peru, Apurímac, Chincheros. Habitus of female (MUSM-ENT 0515867). Photo: Radan Kaderka. A new species of Urupelma Kaderka et al. 2023 from Peru (Araneae, Theraphosidae, Theraphosinae), and a new proposal of homologous keels Abstract A new Peruvian tarantula, Urupelma lamarensis sp. nov., from the Ayacucho Department, in south-central Peru, is herein described, diagnosed and illustrated. Homologous keels of male bulbs in Urupelma Kaderka et al. 2023 are revised and newly established, the generic diagnosis is modified, including diagnoses of single species using these characters. The female genitalia of Urupelma pampas Kaderka et al. 2023 is figured for the first time. The variability of female genitalia of U. veronicae Kaderka et al. 2023 is also shown for the first time.  Kaderka, R. (2026). A new species of Urupelma Kaderka et al. 2023 from Peru (Araneae, Theraphosidae, Theraphosinae), and a new proposal of homologous k...

The Asian Dragon Puzzle: how multiple dispersal events have shaped the evolutionary history of Eastern Asian dragon pseudoscorpions (Arachnida: Pseudoscorpiones: Allochthonius)

A pseudoscorpion clinging to a cave salamander: phoresy or failed predation?

Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid

Korean dragon pseudoscorpions revisited: a taxonomic review of Allochthonius (Pseudoscorpiones: Pseudotyrannochthoniidae) Chamberlin, 1929 with three new species

First fossil of the pseudoscorpion family Chernetidae Menge, 1855 (Arachnida, Pseudoscorpiones) from mid-Cretaceous Burmese amber

A review of the genus Tyrannochthonius (Pseudoscorpiones: Chthoniidae) from Guangxi, China, with the description of eleven new species

A new contribution to the study of subfamily Tridenchthoniinae Balzan, 1892 (Pseudoscorpiones: Chthoniidae) from the late Eocene Baltic amber with the description of Baltochthonius andrushchenkoi gen. et sp. nov. and Heterolophus eridanus sp. nov.

Four new species of dragon pseudoscorpions (Pseudoscorpiones: Pseudotyrannochthoniidae: Spelaeochthonius) from caves in South Korea revealed by integrative taxonomy

Expansion of the pseudoscorpion subfamily Lamprochernetinae with the addition of some Australasian taxa (Pseudoscorpiones: Chernetidae)

False scorpions (Arachnida, Pseudoscorpiones) from Lower Cretaceous Spanish amber

Most soil and litter arthropods are unidentifiable based on current DNA barcode reference libraries

Checklist of Fauna of India: Scorpiones, Uropygi, Pseudoscorpiones, Amblypygi and Palpigradi

David and Goliath: on the pseudoscorpions of Ascension Island, including the world’s largest, Garypus titanius Beier, 1961, and a new, minute, Neocheiridium Beier, 1932 (Arachnida: Pseudoscorpiones)