Video 4. Three-dimensional reconstruction of the tracheal system (in pink) in Rhodnius prolixus’ head showing the two big trachea on each side of the cibarial pump (in blue) as well as secondary and tertiary trachea networks surrounding the pump.

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DOI: 10.7554/eLife.26107.018

Note that the tracheal system extends beyond the prothorax (see Ramírez-Pérez, 1969 for a complete overview of the tracheal network all along the insect’s body).