A group of mosquitoes is commonly called a Scourge. Other collective nouns you may see include Swarm and Cloud.
A myriad of pesky insects, collective nouns act as a means to categorize and capture the essence of their unified presence. In the case of mosquitoes, a swarm of these minuscule winged annoyances fills the air with an unmistakable buzz and expeditiously transforms any scenic outdoor setting into an itchy battlefield. A plague of mosquitoes can rapidly transform serene summer evenings into dreaded skirmishes, alongside their silent yet determined invasion of our personal spaces. Endow with traits that go beyond their individual identity, these collective nouns allow us to visualize the extraordinary power and sheer numbers that mosquitoes possess when they come together in unified action. Whether we choose to refer to them as an annoyance, irritation, or even a torment, one thing is for certain—the collective noun perfectly captures the intangible but unmistakable presence of these relentless creatures.
Known collective nouns for Mosquitoes include: