Complex sentence: The female beetle lays around 100 eggs loosely on the commodity, the hatching larvae are the "grow bag" stage of the insect are active and will move around on and bore into the product, feeding as they go.
Split into simpler sentences: The female beetle lays around 100 eggs loosely on the commodity. The hatching larvae are the "grow bag" stage of the insect are active and will move around on and bore into the product, feeding as they go.