The length of the camponotus cruentatus is impressive. Take the queen, which grows to somewhere between 16 and 20 millimeters in length. The workers are a bit on the small side with a length of between 4 and 9 millimeters, the soldiers, on the other hand, are very large. They will be between 10 and 18 millimeters. When purchasing camponotus cruentatus, keep in mind that these ants hibernate from December to February. They like to do this at a temperature between 16 and 21 degrees Celsius. The ant thrives best at a temperature between 21 and 25 degrees Celsius, while the optimal temperature is between 23 and 24 degrees Celsius.