Water Hyacinth with Marbled or Veined Tree-Frogs and Giant Water-Bugs

A watercolour of a water hyacinth (Eichhornia crassipes) with the life cycle of the giant water-bug (Lethocerus grandis) and the veined tree frog (Phrynohyas venulosa). This is a version of plate 56 of Merian's Metamorphosis Insectorum Surinamensium.