In this research, the evaluation of the influence of earth worm on the soil fauna diversity was studied during each season in making comparison of the density, the abundance and the biomass between Annelida and other inventoried taxa of invertebrates. The results brought out a great density of earth worm in rainy season than the dry one seeing that Oligochaetes are bound at the humidity. The other taxa inventoried were a part of 8 different orders listed according to the importance as follows: Hymenoptera, Araneida, Isoptera, Diplopoda, Coleoptera, Blattoptera, Chilopoda and Thysanoptera. From the 8 orders, the 7 first inventoried during the rainy season were found again during the dry season but with a great density for almost each taxon in spite of the sensitive reduction of the abundance of earth worms. The Chilopoda’s order was observed only during the rainy season, the one of Thysanoptera only during the dry season. In conclusion, the density, the abundance and the biomass of the earth worms of the Miombo forest don’t have influence on the one of other litter fauna invertebrates.
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