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Itasca residents and visitors might notice a strange residue on their car windshields and frames. The substance is called honeydew and is caused by the Lecanium Scale Insect. Honeydew is is not harmful. The residue is not caused by jet fuel from planes.
Honeydew is a sap residue secreted by the insect after they ingest tree leaves and sap. The Illinois Department of Natural Resources confirmed the presence of Lecanium Scale in the Village. Lecanium Scale and
other scale insects are always present, but due to a long wet spring
immediately followed by a hot dry summer the scale (and the residue!) has been
more noticeable this year. The dry weather has also caused
the substance to become airborne and travel greater distances from
the trees it originated from
You may notice the substance is sometimes grainy
and discolored—This is because sometimes mold grows on the honeydew, which
gives it a sooty appearance. Additionally, dust and other airborne particles
will become stuck to the honeydew and contribute to the grainy texture and