He had captured a brain Bug and was using its bloated body as a shield. We don't know the size of the Brain bugs, but as Sergeant Zim used one's 'bloated' body as a shield, we can assume it's bigger than a human. There were no other descriptions of bug size - I searched etext for 'big', 'small', 'tall', 'short', 'squat' (for proportions), 'feet', 'meter' and 'size'. I thought with annoyance that each man already had to patrol fourteen square miles spreading the butter so thin meant seventeen square miles per man - and a Bug can come out of a hole less that five feet wide ( Chapter 13)

The body size is under five feet wide but based on the phrasing probably more than four feet wide. Then I led them down the tunnel the second section had followed, moving as fast as possible-which wasn’t fast as the roof of the tunnel was right over our heads. I had Cunha leave two men at the hole to cover our rear, one on the floor of the tunnel, one at surface level. We have a cap estimate of their height - they are no taller than a trooper in armor based on tunnel size (which means likely under 7 feet): We learned to tell the workers from the warriors-if you had time, you could tell from the shape of the carapace, but the quick rule of thumb was: If he comes at you, he’s a warrior if he runs, you can turn your back on him.

Technical instructions and tactical doctrine orders resulted from every brush with them, spread through the Fleet. Workers and warriors are same size (because they can't be easily told apart, if they weren't it would be easy)īut we were learning.

Star ship trooper book