''Bumba tapajos'' is a

tarantula Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,040 species have been identified, with 156 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although ...

in the genus '' Bumba''. It was first described by Lucas, Passanha and Brescovit in 2020. The species is named after where it was found, in the Tapajós area in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Description

Its color has only been described in

ethanol Ethanol (abbr. EtOH; also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound. It is an Alcohol (chemistry), alcohol with the chemical formula . Its formula can be also written as or (an ethyl ...

. The

cephalothorax The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. (The terms ''prosoma'' and ''opisthosoma'' are equivalent to ''cepha ...

and legs are red brown, the abdomen dorsally black and ventrally grayish. Its male

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 ...

has the embolus shorter than the tegulum.

Habitat

The tarantula lives near the tapajos river in the

Tapajós National Forest The Tapajós National Forest ( pt, Floresta Nacional do Tapajós) is a Brazilian national forest in the state of Pará, Brazil. It supports sustainable exploitation of the natural resources in an area of Amazon rainforest. Location The Tapajós ...

, where its mainly

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

. In this area average annual rainfall is 1,820 millimetres, and the temperatures range from 21 to 31 °C. The forest along the banks of the Tapajós has elevations of about 100m

above sea level Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb ...

. Further from the river the forest is on the Tapajós-Xingu plateau, with elevations of 120m to 170m

References

{{Taxonbar, from1=Q97061666 Theraphosidae Spiders of Brazil Spiders described in 2020