Megarididae

Definition

A small family of true bugs (Hemiptera: Pentatomoidea) comprising a single extant genus, Megaris, with approximately 16 species restricted to the Neotropical Realm. These bugs are characterized by their compact, often ornate bodies and are among the more obscure lineages within the stink-bug assemblage. The family also includes a fossil species preserved in Dominican amber, indicating a long evolutionary history in the Caribbean–Central American region.

Etymology

From the type genus Megaris, with the family suffix -idae.

Example

Megaris quadrata, a species of Megarididae, exhibits the family's typical compact, rounded body form and reduced wing venation compared to related pentatomoid families.

Related Terms

• Pentatomoidea
• Hemiptera
• Megaris
• Neotropical realm
• true bugs
• Shield bugs

Usage Notes

Megarididae is one of the smallest families in Pentatomoidea in terms of species diversity. Specialists distinguish it from the much larger Pentatomidae (stink bugs) and Scutelleridae (shield-backed bugs) by subtle characters of the genitalia and thoracic structure. The family's restricted Neotropical distribution contrasts with the cosmopolitan reach of many pentatomoid families.