''Bistriopelma'' is a genus of

spider Spiders (order (biology), order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude spider silk, silk. They are the largest order of arachnids and ran ...

, being a theraphosine theraphosid (tarantula).

Etymology

The generic name ''Bistriopelma'' comes from the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

''bi-'' meaning "two" and ''strio'' meaning "stripe". This refers to the dorsolateral urticating patches of which there are two, both of which have a stripe of thick hair.

Characteristics

''Bistriopelma'' has two distinctive patches of Type III urticating setae, which are located dorsolaterally on the

abdomen 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 ...

, each with a long stripe of thicker

setae In biology, setae (; seta ; ) are any of a number of different bristle- or hair-like structures on living organisms. Animal setae Protostomes Depending partly on their form and function, protostome setae may be called macrotrichia, chaetae ...

, which runs diagonally to the longitudinal body axis. The female

spermatheca The spermatheca (pronounced : spermathecae ), also called ''receptaculum seminis'' (: ''receptacula seminis''), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, Oligochaeta worms and certain other in ...

e are nearly parallel, and the male's

embolus An embolus (; : emboli; from the Greek ἔμβολος "wedge", "plug") is an unattached mass that travels through the circulatory system, bloodstream and is capable of creating blockages. When an embolus Vascular occlusion, occludes a blood vess ...

curves retrolaterally from the tegulum (base).

Species

it contains six species, found in

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

: *'' Bistriopelma fabianae'' Quispe-Colca & Kaderka, 2020 – Peru *'' Bistriopelma kiwicha'' Nicoletta, Chaparro, Mamani, Ochoa, West & Ferretti, 2020 – Peru *'' Bistriopelma lamasi'' Kaderka, 2015 – Peru *''

Bistriopelma matuskai ''Bistriopelma matuskai'' is a species of tarantula, in the theraphosinae subfamily, which is (as of February 2016) only known from Peru. Etymology ''Bistriopelma matuskai'' 's specific name is in honour of Ondřej Matuška, the author's brothe ...

'' Kaderka, 2015 – Peru *''

Bistriopelma peyoi ''Bistriopelma'' is a genus of spider, being a Theraphosinae, theraphosine Theraphosidae, theraphosid (tarantula). Etymology The generic name ''Bistriopelma'' comes from the Latin ''bi-'' meaning "two" and ''strio'' meaning "stripe". This refer ...

'' Nicoletta, Chaparro, Mamani, Ochoa, West & Ferretti, 2020 – Peru *'' Bistriopelma titicaca'' Kaderka, 2017 – Peru

References

Theraphosidae Theraphosidae genera Endemic fauna of Peru Fauna of Peru Spiders of South America {{Theraphosidae-stub