Phylogeny of the Brachystomellidae (Collembola) -were the mandibles ancestrally absent and did they re-appear in this family? -Zoologica Scripta, 34, 305-312. A phylogenetic study was carried out on the family Brachystomellidae, which was found to be monophyletic. The genera Brachystomella and Folsomiella were polyphyletic. Folsomiella nothofagutalis was removed from Folsomiella and placed in Neorganella . The analysis showed that mandibles were ancestrally absent in this group and then re-appeared later in Probrachystomellides nicolaii .

Collemboles(Insecta) de l'Équateur IL Entomobryidae p.p., Cyphoderidae et Oncopoduridae par Jean-Marc Thibaud et Judith Najt Résumé. -Dans cette deuxième note sur les Collemboles de l'Équateur nous traitons des trois familles suivantes : Entomobryidae p.

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Yemen were studied. A new species, Xenylla vanharteni n. sp., is described with the combination of following characters: 5 + 5 eyes present, mucro separated from dens and chaetotaxy of "bgklort" type. Remarks to the original description of Penelopella pohli (Barra, 2006) n. comb. is presented. New localities for seven further species are given.

Collemboles(Insecta) de l'Équateur 1. Hypogastruridae, Neanuridae et Isotomidae par Judith Najt et Jean-Marc Thibaud Résumé. -Dans cette première note sur les Collemboles de l'Équateur nous traitons des trois familles suivantes : Hypogastruridae, Neanuridae et Isotomidae et décrivons deux espèces : Folsomia ulrikeae n. sp. et Isotomiella symetrimucronata n. sp.