Scale insects and mites on citrus trees
Marlatt, C.L.
Scale insects and mites on citrus trees - Washington 1903 - 1-42 p. - Insect, Tree U.S. Department of Agriculture. Fermers' Bulletin No. 172 .
Scale insects and mites on citrus trees - Washington 1903 - 1-42 p. - Insect, Tree U.S. Department of Agriculture. Fermers' Bulletin No. 172 .