Whenever the existence of the gypsy moth reaches or threatens to reach epidemic proportions in any part of this state, or if such infestation results in a hazardous highway condition because of gypsy moths on the highway causing a slippery condition, the chief executive officer of any town, city or borough may request in writing that the State Entomologist survey such town, city or borough for the magnitude and location of the infestation and report his findings to such chief executive officer.