Information related to dog infestation prevalence and abundance with I. affinis has not been published elsewhere; however, in Panama, Bermudez and Miranda 2011 found that I. affinis often co-existed with R. sanguineus, Amblyomma cajennense, A. oblongoguttatum, A. ovale, and Haemaphysalis juxtakochi on dogs, horses and cattle.
La prevalencia y abundancia de I. affinis no ha sido publicada en otra parte; sin embargo, en Panamá, Bermúdez y Miranda 2011 encontraron que I. affinis a menudo coexiste conR. sanguineus, Amblyomma cajennense, A. oblongoguttatum, A. ovale y Haemaphysalis juxtakochi en perros, caballos y ganado bovino.