Cyrill of Alexandria
They will advance with their armaments. It seems that he refers to the jaws as instruments of warfare through which devastation is wrought, manifesting battle-like acts as they ravage grass, topple harvests, and wither vegetation. Though they may be struck down by arrows, their presence does not dissipate. The locusts do not launch pointed weapons at foes, nor do they utilize bows, yet they bring about death through the annihilation of sustenance, starvation, and the dreadful pangs of scarcity. Moreover, the plight extends beyond merely the ruin of crops; those suffering will also face a dreadful assault and intensifying distress within their homes and towns at the hands of the swarms of locusts (or indeed the Assyrians themselves). This he illustrated by stating, ‘but they will not pass away,’ as if to convey that this will not mark the end of their affliction, but rather continue onward, for he proclaims: