Signs of an infestation: You hear scratching/shuffling noises in the walls (especially at night); Food packages have holes gnawed in them; Little black “pellets” left behind, these are their droppings (they look like dark grains of rice). Remove any nesting hot spots such as piles of new...
This difference in efficiency is due to the depth of the nectaries in flowers (the glands that produce the sugary liquid bees love). Obviously a long proboscis can reach farther than a short one. Thus many short-tongued bees and honey bees (which have a medium tongue) will drill holes th...