the world > animals > invertebrates > phylum Arthropoda > class Insecta > [noun] > member of > defined by feeding or parasitism > parasite(s) > which produces excrescence on trees
shell-insect1753
vine gall-insect1753
gall-insect1759
gall-mite1881
1881 E. A. OrmerodMan. Injurious Insects 179 The diseased growths formed of irregular masses of twigs..are caused by this Gall-mite.