Mastogenius
Guides
Haplostethini
metallic wood-boring beetles
Haplostethini is a tribe of jewel beetles (family Buprestidae) within the subfamily Polycestinae. The tribe comprises at least 10 genera and more than 60 described species. Members are small to moderately sized metallic wood-boring beetles distributed across multiple continents. The genus Mastogenius is the most well-known in North America, with species occurring in the southwestern United States and Mexico. The tribe was established by LeConte in 1861.
Mastogenius castlei
Mastogenius castlei is a species of metallic wood-boring beetle in the family Buprestidae, described by Champlain and Knull in 1922. The genus Mastogenius comprises some of the smallest buprestids, with adults measuring approximately 2 mm in length. Very little specific information is documented for this species; most knowledge of the genus derives from congeneric species.