Rennac began to scan over the creatures as they got close enough to make out some details, his mind working a mile a minute to find where to place his shots to have the greatest effect. Head shots were the obvious choice but that was where the creature's chitin was likely hardest and was most likely to deflect or even ricochet bullets depending just how hardened it was. No, he needed to aim more for the gaps in the chitin, areas that was held by the membrane which would allow the creatures movement. The neck area became the most promising. Then he noticed their insect-like body, an idea coming to his head. "Smoke." He said simply. "If they are insectoid they may be inhibited by inhaling smoke." He grabbed one of the colonists that were running suplies on the wall, stopping him for a moment. "Have you ever tried using smoke canisters or grenades against these things?"