Radix: base of wings, and their point of insertion; see pteropega.
Rami -us: branches: a branch.
Ramification: the branching out in every direction.
Ramify: to branch out in every direction.
Rammel-kammer: = copulation chamber; q.v.
Ramose -ous: branched, or having long branches.
Rapacious: predatory; capturing and eating prey.
Raptatory: = raptorial; q.v.
Raptoria: applied to that series of Orthoptera, in which the anterior legs are fitted for grasping; Mantidae {Scanner's comment: No longer Orthoptera, but Mantodea, a suborder of the Dictyoptera.}
Raptorial: formed for seizing prey.