Shield-beetle
Guides
Hilarocassis
Hilarocassis is a genus of tortoise beetles and hispines in the leaf beetle family Chrysomelidae. It contains approximately 10 described species distributed primarily in the Neotropical region. The genus was established by Spaeth in 1913 and belongs to the subfamily Cassidinae, tribe Mesomphaliini. Species in this genus exhibit the characteristic tortoise beetle body form with a broad, flattened shape and expanded elytral margins.
Metrionella
Metrionella is a genus of tortoise beetles (Cassidinae) in the family Chrysomelidae, established by Spaeth in 1932. The genus comprises approximately 12 described species. As members of the tortoise beetle subfamily, these beetles are characterized by a distinctive shield-like body form with the elytra and pronotum expanded to cover the legs and antennae when at rest.