About Tryonicus parvus (Tepper, 1895)
Tryonicus parvus was first described by Tepper in 1895. Tryonicidae is a family of cockroaches. Currently, two genera containing 17 species are confirmed to belong to this family, and this group includes the South American housebug. There is a table that lists the number of Tryonicidae species found in each region where the family occurs, with A indicating an adventive species, E indicating an endemic species, and I indicating an indigenous species.