''Catumiri chicaoi'' is a species of

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

, in the family

Theraphosidae 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 m ...

. It is endemic to

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 ...

Etymology

The specific name "''chicaoi''" honours Josè Guadanucci's (the describer of the species) friend Kenji Kato "Chicão" who collected the type specimens.

Distinguishing Features

''Catumiri chicaoi'' is known from both the male and the female. The male differs from other species by having two spines on the retrolateral branch of the tibial spur, one of which is nearly bifurcate. The female has a unique abdominal pattern: 4-5 pairs of white spots.

References

Theraphosidae Spiders described in 2004 Spiders of Brazil {{Theraphosidae-stub