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Supervisors weigh another spongy moth egg mass count and potential 2025 spraying program
Summary
Staff reported low egg mass counts in 2023 and said DCNR may offer free assistance this year; the board asked staff to pursue DCNR help, consult the Shade Tree Commission, and obtain quotes so the township can decide whether to fund expanded counts or a 2025 spray program.
HARRIS TOWNSHIP, Pa. — The Harris Township Board of Supervisors discussed whether to fund another spongy moth egg mass count this year and whether the township should consider a 2025 spray program to protect trees.
Staff said last year's counts were low in the sampled neighborhoods and parks but acknowledged sampling can vary by plot. The township spent about $2,000 last year on counts; staff said the Department of Conservation and Natural Resources (DCNR) may be willing to assist for free in limited areas on short notice.
Board members suggested convening the Shade Tree Commission to advise on survey areas and treatment options. Staff described models used elsewhere (Ferguson and Patton townships) where spraying costs about $60 per acre and is targeted to areas that exceed thresholds (for example, counts above around 250 masses per acre in other municipalities). The board asked staff to pursue DCNR assistance if available, gather quotes for expanded counts and possible treatments, and return with recommendations.
