Species Descriptions

Abstract

All valid species of the genera Trichodorus, Paratrichodorus, Monotrichodorus and Allotrichodorus have included in their descriptions morphometric data (based on populations described in the literature), an elaborate species diagnosis, relationships with other species of the genus, remarks on the variability of diagnostic characters and their distribution and hosts. The elaborate species diagnoses consist of the specific diagnostic features and some additional features in order to allow interspecific comparison and use of the identification keys. The species are illustrated by line drawings and by photographs taken with a Polyvar microscope with interference contrast. Most illustrations are from type specimens.