n.a very slender waist

Wasp waist
Small pelagic in upwelling systems : patterns of interaction and structural changes in "wasp-waist"ecosystem
Wasp-waist populations and marine ecosystem dynamics: Navigating the “ predator pit ” topographies
Interplay between top-down, bottom-up, and wasp-waist control in marine ecosystems
Beyond the wasp-waist: structural diversity and phylogenetic significance of the mesosoma in apocritan wasps (Insecta: Hymenoptera).
Functional group biodiversity in Eastern Boundary Upwelling Ecosystems questions the wasp-waist trophic structure
Regulating a complex adaptive system via its wasp-waist: grappling with ecosystem-based management of the New England herring fishery
Stable Isotope Analysis Challenges Wasp-Waist Food Web Assumptions in an Upwelling Pelagic Ecosystem
Analysis of wasp-waist hysteresis loops
Klippel-Feil syndrome: patterns of bony fusion and wasp-waist sign