Composite-host
Guides
Crossidius suturalis suturalis
Crossidius suturalis suturalis is a subspecies of longhorn beetle (Cerambycidae) in the genus Crossidius. It occurs in the southwestern United States and northern Mexico. Adults have been observed on flowers of Isocoma tenuisecta (burroweed) and related Isocoma species, particularly in late summer and early fall. The subspecies is part of a complex of fall-active Crossidius beetles associated with composite host plants.