Invariably, advancements are accompanied by the coinage of new terms such as mosquiticidal. It joins a long series of terms including insecticide, nematicide, fungicide, larvicide, adulticide, entomicide, and even homicide, which may be convenient in indicating toxicity to or death of a target. ... The value and appropriateness of such terms remain to be seen. Certainly, in recognition of the current perception of the specificity of these agents [i.e. bacteria that kill mosquitoes or black flies], and their value, they should not be termed biocides.
in Bacterial Control of Mosquitoes & Black Flies, H. de Barjac & D.J. Sutherland, Editors. Rutgers University Press (1990; New Brunswick, NY).