Chatzaki said that the conditions were flawless for the spiders to reproduce.
Local man Giannis Giannakopoulos shared images of a "huge veil" of spider webs - saying that the spiders seemed to be catching and eating a lot of mosquitoes.
The spiders are from the genus Tetragnatha, known as stretch spiders due to their elongated bodies.
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"Therefore, we would say that it is an opportunistic phenomenon in this case where exploiting the spiders all these conditions "decide" to give it to understand and grow, to reproduce", Chatzaki said.
The abundant food, high temperatures and sufficient humidity made it ideal for the spiders to exploit and create a large population. And even on the contrary - increased population of spiders will reduce the number bred on the island of mosquitoes.
"It's as if the spiders are taking advantage of these conditions and are having a kind of a party", Chatzaki said, according to a translation by the BBC. "The spiders will have their party and will soon die", she concluded. "This phenomenon has arisen from a population explosion of this spider". Greek biologist Fotis Pergantis, president of the Messolonghi National Lagoon Park, told CNN that the webs will likely be there until temperatures start to drop and the gnat population dies out.
She also said that the spiders are not a danger to humans, and will not cause any damage to the vegetation.