Espèces nouvelles de Pseudosinella cavernicoles (Insecta: Collembola)

Deux espèces nouvelles de puces (Siphonaptera : Ctenophthalmidae & Rhopalopsyllidae) du Chili

Agastopsylla guzmani n. sp. (Ctenophthalmidae) and Delostichus degus n. sp. (Rhopalopsyllidae) are described. A key is proposed for the genus Agastopsylla; for the genus Delostichus, a brief comparison is made with D. incisus and D. ojedai described after the issue of the Catalogue of Smit (1987).

Révision de la sous-famille des Metaracoelophryinae de Puytorac 1972 (Oligohymenophora : Hoplytophryida : Hoplytophryidae), ciliés astomes du tube digestif d’oligochètes terricoles d’Afrique : description de cinq espèces nouvelles

Five new species belonging to the astome ciliates, living in the digestive tract of Oligochaeta worms belonging to the genus Alma from Cameroon, have been described. The techniques used are: vital staining, staining of the nucleus with Diamidino Phenyl Indol (DAPI), scanning electron microscopy and silver staining method (Fernandez Galiano, 1976, 1994). This work confirms the presence of the ge...

Approche hybride de recommandation des nouvelles collaborations

With the spread of organizations and especially distributed ones, teams are highly dynamic and people are continually seeking for new collaborators. In this context, we propose an approach of collaboration recommendation that relies on community detection technique to find potential collaborators that can help in problem solving. Our contribution consists on proposing a combined metric that con...

Contribution a l'etude de Salmonella dublin. Nouvelles varietes biochimiques. Classifications

Nouvelles modifications apportées à la méthode de préparation du vaccin