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We describe a new species of the genus Pontoscolex from the Amazon region of Maranhão State in Brazil. The region is the most deforested and degraded in the biome, with only 25% of the original forest cover left. Pontoscolex awa sp. nov. has regular setae, very small spermathecae, and tubercula pubertatis band-shaped extending to AB line in XIX–XII. Common and genital setae are of similar length and without ornamentations; these features are new in the genus, although unknown in several species. The Gurupi Biological Reserve where the new species was found is the only integral protection area within the Belém Endemism Area and therefore of crucial importance for conservation of earthworms and other endemic organisms.

We describe two new species from two new genera of Ocnerodrilidae from Alcântara and Rosário counties of Maranhão, Brazil. They were collected in very sandy soil in the transition between the Amazonia and Cerrado biomes. One of the species, Brasilisia punki n. sp., is the first report of earthworms of this family with an unusual pattern of genital markings and a gizzard in segment five. The other species Arraia nelmae n. sp. has a gizzard in segment six and a pair of calciferous glands in nine. We also provide an updated key for all genera of Ocnerodrilidae.

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Greek yogurt (GY) has gained popularity in recent years for its marked texture, taste, and nutritional characteristics compared to traditional yogurt (TY). The objective of this work was to analyze the physicochemical, sensory, and lipid profile of GY and TY with blueberry flavor, both manufactured by a local industry in the state of Rio Grande do Sul, Brazil. Protein and lipid content, as well as humidity, ash, and fatty acid profile were quantified and a sensory evaluation was completed using the affective method. The physicochemical results showed 1.5% and 2.3% more proteins and lipids, respectively, for GY compared to TY. The humidity in TY was 10% lower than in GY. Eighteen types of polyunsaturated, saturated, monounsaturated fatty acids were identified, with a high proportion of C14, C16, and C18. Sensory analysis showed a preference for GY over TY (64% versus 36%, p<0.