Brown dog tick secretion

Close-up of the mouth parts of the brown dog tick showing secretion. When humidity rises above 41%, the hydrophilic secretion absorbs the moisture and is drawn back into the tick.
Created by Emily Harrington of eh illustration, This work shall be and remain at all times the shared property of Emily Harrington and the Biomimicry 3.8 Institute, and Emily Harrington grants to the Biomimicry 3.8 Institute a non-terminating, nonexclusive, non-limiting right to use the materials for educational purposes. Any use by outside parties requires permission from Emily Harrington and can be requested from [email protected] or through the Biomimicry 3.8 Institute.