''Arhopalus asperatus'' is a species of beetle in the family Cerambycidae.Bezark, Larry G
''A Photographic Catalog of the Cerambycidae of the World''
Retrieved 7 July 2012. It was described by

John Lawrence LeConte John Lawrence LeConte (May 13, 1825 – November 15, 1883) was an American entomologist of the 19th century, responsible for naming and describing approximately half of the insect taxa known in the United States during his lifetime,

in 1859. The beetles vary from 18 to 33 mm in length, and have antennae of around 50% to 75% of the body length.''Arhopalus asperatus'' – A Common Longhorned Beetle
''Colorado Insects of Interest''

References

Spondylidinae Beetles described in 1859 {{Spondylidinae-stub