Lasioderma haemorrhoidale explained

Lasioderma haemorrhoidale is a species of beetle in the family Ptinidae.

A small beetle unintentionally introduced from the Mediterranean region, it feeds on Malta starthistle seed heads, but has had little effect in controlling the plant.

Further reading

• Book: Arnett . R.H. Jr.. Thomas . M. C.. Skelley . P. E.. Frank . J. H.. 2002. American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press. 978-0849309540.
• Book: Borowski . Jerzy. Wegrzynowicz . Piotr. 2007. World Catalogue of Bostrichidae (Coleoptera). Wydawnictwo Mantis. 9788392618218.
• Book: LeConte . J.L.. 1861. Classification of the Coleoptera of North America. Smithsonian Miscellaneous Collections. Smithsonian Institution. 3. 136. 978-0665100550. 10.5962/bhl.title.38459. free.
• White . R.E.. 1990. Lasioderma haemorrhoidale (Ill.) now established in California, with biological data on Lasioderma species (Coleoptera: Anobiidae). Coleopterists Bulletin. 44. 3. 344–348.
• Book: White. Richard E.. 1998. 1983. A Field Guide to the Beetles of North America (Peterson Field Guides). Houghton Mifflin Harcourt. 978-0395910894. registration.