J. W. Reid wrote letter (pgs 616-617) to the editor regarding: Re: "Infection of a field population of Aedes cantator with a polymorphic microsporidium Amblyospora connecticus via release of the intermediate copepod host, Acanthocyclops vernalis".[comment]. Comment on: JAMCA 1989 Mar;5(1):81-5 Author response pages 618-619.