Studies investigating effects of Roundup on
soil dwelling endogeic earthworm species (Aporrectodea caliginosa)
found no alteration of the energy status after acute exposure 31.
Glyphosate had no effect on growth of A. caliginosa in a pot experiment
where the herbicide was mixed with soil51, in contrast, another
study showed that glyphosate reduces the growth of A. caliginosa
even at a rate lower than recommended by the manufacturer52.
Surface dwelling, epigeic earthworms showed no avoidance of
Roundup treated leaves (Eisenia andrei32) or response in their depth
distribution (E. fetida53) but avoided glyphosate treated soil28,29.