Published online by Cambridge University Press: 06 April 2009
1. The nauplius, the metanauplius and the first copepodid larva, of Lernaea chackoensis were reared in vitro and are described.
2. The four copepodid larvae obtained by artificial infection of Barbus stigma and Oryzias rubristigma are described.
3. The young females infesting the adult host fishes are described, noting the changes which take place after the copulation of the female larva.
4. The accelerated development of this tropica form and the need for a temporary host to complete the life cycle are discussed.