Abstract: The invention relates to a box (10) for growing larvae, comprising: a rectangular base (12); lateral walls (14) extending from the base (12), forming a flat closed contour parallel to the base (12), and defining a growth container together with the base (12); a rim (16) extending from the upper edges towards the exterior of the container parallel to the base (12), the rim (16) comprising two first reliefs (26) on its surface opposite the base (12), and having four edges (18, 20) which are connected to one another by four corners (22); at least four feet (24, 25) with the same height extending at least partly from the rim (16) towards the base (12), the feet (24, 25) extending from different edges (18, 20) or from different corners (22), at least two of the feet (24) facing the first reliefs (26), and comprising a second relief (29) which is complementary to the said first relief (26); the first reliefs (26) fitting together with the second reliefs (29) of a superimposed box (10); the feet (24, 25) being suppo