Published online by Cambridge University Press: 05 June 2009
Two new species of Avitellina, A. woodlandi and A. tatia, have been described and separated from the allied species of the genus. Both these species are remarkable for having cirrus sac longer than vulva.
Additional data are provided in regard to the structure of the species A. sudanea, A. lahorea and A. chalmersi.
The development of the female genitalia of A. chalmersi, which may be regarded as typical of the genus, has been given in detail for the first time.
New observations on the development of the inner column of testes in A. sudanea are made.
A review of the existing species of Avitellina has been taken and a key to all the known species of the genus has been given.