Hadrobregmus quadrulus

Hadrobregmus quadrulus is a species in the family Ptinidae ("death-watch and spider beetles"), in the order Coleoptera ("beetles").^[1][2][3] Hadrobregmus quadrulus is found in North America.^[2]

Hadrobregmus quadrulus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Family:	Ptinidae
Genus:	Hadrobregmus
Species:	H. quadrulus
Binomial name
Hadrobregmus quadrulus (LeConte, 1859)