Hadrobregmus quadrulus explained

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]

Further reading

• American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea, Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
• Book: Ross H. Arnett. 30 July 2000. American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. 978-0-8493-0212-1.
• LeConte, J. L. (1859). Catalogue of the Coleoptera of Fort Tejon, California. Proceedings of the Academy of Natural Sciences of Philadelphia, vol. 11, 69–90.
• Peterson Field Guides: Beetles, Richard E. White. 1983. Houghton Mifflin Company.
• White, Richard E. (1982). A catalog of the Coleoptera of America north of Mexico. Family: Anobiidae. US Department of Agriculture, Agriculture Handbook, 529–570.

Notes and References

1. Web site: Hadrobregmus quadrulus species information.. bugguide.net. 2018-01-15.
2. Web site: Integrated Taxonomic Information System (ITIS). itis.gov. 2018-01-15.
3. Web site: Encyclopedia of Life Hadrobregmus quadrulus species overview.. eol.org. 2018-01-15.