''Longilyra'' is a genus of spiders in the family

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

. It was first described in 2014 by Gabriel. , it contains only one species, ''Longilyra johnlonghorni'', found in

El Salvador El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...

. This genus differs from the others as it has stridulatory bristles. It is different from those who have them on the same segments such as the Acanthoscurria genus because of 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 ...

with a very short and acuminate embolus and four short keels, separated tibial apophysis. Females can be separated from the others by the

spermathecae 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 inver ...

with two seminal receptacles with elongated ducts emerging from a common area.

References

Theraphosidae Monotypic Theraphosidae genera Spiders of Central America {{Theraphosidae-stub