≡ Megalodontidae PL · szarżnikowate The Megalodontesidae are a small family of sawflies within the Symphyta, containing some 40 species restricted to the temperate regions of Eurasia, and whose larvae feed on herbaceous plants. They are distinguished from the closely-related Pamphiliidae by their serrate or pectinate antennae. Suborder: Symphyta Superfamily: Megalodontoidea