trehalose is also present in fungi

trehalose is also present in fungi algae and in several invertebrate phyla but is not known to be produced by flowering plants or vertebrate. The relation between trehalose and insect was ignored untill the substance was rediscovered in insects in the mid fifties. trehalose is present in all insects (At least in the adults) studied in this respect, and in many insects it is present in high concentrations and constitutes the major blood sugar.