Erratum

After publication of this article [1] we noticed that reference 50 was incorrect. The correct reference 50 is as follows:

Santamaría S, Gonzalez-Cabrera J, Martinez M, Grbic V, Castanera P, Diaz L, Ortego F. Digestive proteases in bodies and faeces of the two-spotted spider mite, Tetranychus urticae. J Insect Physiol. 2015; 78:69–77 http://www.sciencedirect.com/science/article/pii/S0022191015001018