blood-sucking flies

Blood-sucking flies are involved.

Mansonella perstans is a vector-borne human filarial nematode, transmitted by tiny blood-sucking flies called midges.

These include biting and blood-sucking flies such as mosquitoes and sandflies, triatomine bugs, lice, ticks and mites.

Robert E. James straps a Kevlar canoe to his back and sets out for the most remote places under the most trying conditions: glaring heat, blood-sucking flies, even a cracked rib or two.

After months of paddling and portaging through rain, fog, snow and fierce storms of blood-sucking flies and mosquitoes, Mina Hubbard made it to the Ungava - beating a rival expedition led by her husband's original partner by less than a week.