Spider beetles make up the subfamily Ptininae, in the family Ptinidae. There are approximately 70 genera and 600 species in the subfamily, with about 12 genera and 70 species in North America north of Mexico.
Ptinidae is a family of beetles in the superfamily Bostrichoidea. There are at least 220 genera and 2,200 described species in Ptinidae worldwide. The family includes spider beetles and deathwatch beetles.
Xyletininae is a subfamily of death-watch and spider beetles in the family Ptinidae. There are about 13 genera and at least 170 described species in Xyletininae.
Dryophilinae is a subfamily of death-watch and spider beetles in the family Ptinidae. There are at least six genera and two described species in Dryophilinae.
Mesocoelopodinae is a subfamily of death-watch and spider beetles in the family Ptinidae. There are at least 4 genera and 100 described species in Mesocoelopodinae.
Tricorynus is a genus of deathwatch and spider beetles in the family Ptinidae. There are at least 90 described species in Tricorynus.
Protheca is a genus of beetles in the family Ptinidae. There are at least three described species in Protheca.
Sculptotheca is a genus of beetles in the family Ptinidae. There are about ten described species in Sculptotheca, one of which is Sculptotheca puberula.
Stichtoptychus is a genus of beetles in the family Ptinidae. There are about 13 described species in Stichtoptychus.
Cryptoramorphus is a genus of death-watch and spider beetles in the family Ptinidae. There are at least two described species in Cryptoramorphus, C. floridanus and C. flavidus.
Colposternus is a genus of beetles in the family Ptinidae. There is at least one described species in Colposternus, C. tenuilineatus.
Ctenobium is a genus of death-watch beetles in the family Ptinidae. There is at least one described species in Ctenobium, C. antennatum.
Falsogastrallus is a genus of beetles in the family Ptinidae. There are at least three described species in Falsogastrallus.
Platybregmus is a genus of death-watch beetles in the family Ptinidae. There is at least one described species in Platybregmus, P. canadensis.
Pseudeurostus hilleri, the Japanese spider beetle, is a species of spider beetle in the family Ptinidae.
Xyloperthini is a tribe of horned powder-post beetles in the family Bostrichidae. There are more than 30 genera and 140 described species in Xyloperthini.
Pseudeurostus kelleri is a species of spider beetle in the family Ptinidae. It is found in North America.
Pseudeurostus is a genus of spider beetles in the family Ptinidae. There are about seven described species in Pseudeurostus.
Neoxyletobius is a genus of death-watch and spider beetles in the family Ptinidae. There are at least two described species in Neoxyletobius.
Lasiodermini is a tribe of death-watch and spider beetles in the family Ptinidae. There are at least 3 genera and 30 described species in Lasiodermini.
