What part of the food chain is foundational on mosquitos? These are hypotheticals not rooted in any concrete argument. I realize this is a dumb starting point,

What part of the food chain is foundational on mosquitos? These are hypotheticals not rooted in any concrete argument. I realize this is a dumb starting point, but ... Cows don't eat mosquitos, Feed corn is not pollinated by mosquitos, Orange groves do not require mosquitos. What, specifically, are we afraid of?