Fig. 1

a Abaxial surface of normal leaf with the eriophyid mite (red arrow), b initial stage of gall formation (within 24 h.) showing the erineal growth (red arrow), c Abaxial surface of galled leaf showing the ostiole region of the gall, d Abaxial surface showing a mature finger like gall, e Cross section of gall showing eriophyid mite population, f Cross section of a mature gall showing inner gall cavity with massive growth of hairs