''Umbyquyra'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of South American

tarantulas Tarantulas comprise a group of large and often hairy spiders of the Family (biology), family Theraphosidae. , 1,100 species have been identified, with 166 genera. The term "tarantula" is usually used to describe members of the family Therap ...

first described in 2018 by Gargiulo, Brescovit & Lucas. They are found exclusively in

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

and

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

. The name ''Umbyquyra'' derives from the words "pointed bird beak" in the native

Tupi language Old Tupi, Ancient Tupi or Classical Tupi () is a classical Tupian language which was spoken by the indigenous Tupi people of Brazil, mostly those who inhabited coastal regions in South and Southeast Brazil. In the words of Brazilian tupinol ...

, which makes reference to the

palpal bulb The two palpal bulbs – also known as palpal organs and genital bulbs – are the copulatory organs of a male spider. They are borne on the last segment of the pedipalps (the front "limbs" of a spider), giving the spider an appearance often descr ...

Description

The species of this genus range from 18 to 24 cm. Usually they are dark brown in coloration, with legs that are a lighter shade of brown. The side of their

abdomens The abdomen (colloquially called the gut, belly, tummy, midriff, tucky, or stomach) is the front part of the torso between the thorax (chest) and pelvis in humans and in other vertebrates. The area occupied by the abdomen is called the abdominal ...

are usually covered in reddish or golden hairs. All of them have eight eyes, ringed with black coloration.

Species

it contains twelve species: *''

Umbyquyra acuminata ''Umbyquyra'' is a genus of South American tarantulas first described in 2018 by Gargiulo, Brescovit & Lucas. They are found exclusively in Brazil and Bolivia. The name ''Umbyquyra'' derives from the words "pointed bird beak" in the native Tupi l ...

'' (Schmidt & Tesmoingt, 2005) — Bolivia, Brazil *''

Umbyquyra araguaia ''Umbyquyra'' is a genus of South American tarantulas first described in 2018 by Gargiulo, Brescovit & Lucas. They are found exclusively in Brazil and Bolivia. The name ''Umbyquyra'' derives from the words "pointed bird beak" in the native Tupi l ...