Phylum | Species | Number of studies | Mechanistic | Apical | Mechanistic/apical |
---|---|---|---|---|---|
Annelida | Eisenia fetida | 2 | 1 | Â | 1 |
 | Enchytraeus crypticus | 2 |  | 2 |  |
Crustacea | Porcellio scaber | 3 | 1 | 2 | Â |
Hexapoda (Collembola) | Folsomia candida | 4 | 1 | 3 | Â |
Insecta | Bombyx mori | 1 | Â | Â | 1 |
 | Drosophila melanogaster | 4 |  | 2 | 2 |
 | Euborellia annulipes | 1 |  | 1 |  |
 | Lasius niger | 1 |  | 1 |  |
 | Spodoptera exigua | 1 |  | 1 |  |
 | Spodoptera littoralis | 1 |  |  | 1 |
 | Tenebrio molitor | 1 |  | 1 |  |
Nematoda | Caenorhabditis elegans | 2 | Â | 1 | 1 |