Selander-1954
Guides
Spastonyx
Spastonyx is a genus of blister beetles (family Meloidae) established by Selander in 1954. The genus contains at least two described species: Spastonyx macswaini (Selander, 1954) and Spastonyx nemognathoides (Horn, 1870). Species in this genus have been documented in North America, with S. nemognathoides recorded from both the United States and Mexico. The genus is placed in the subfamily Meloinae.