mosquito

sääski, moskiitto, hyttynen A small flying insect of the family Culicidae, known for biting and sucking blood, leaving an itching bump on the skin. However, only the female of the species bites animals and humans. They are known to carry diseases like malaria and yellow fever.
To fly close to the ground, seemingly without a course.
English mosquito
(diminutive of); a (l).
c. 1250: w:Alfonso X|Alfonso X, Lapidario, f. 107v.

… ſera aguardado del danno delos moſquitos. ¬ de todas maneras de moſcas que seá pozonadas o mordedores. / Et eſto es mas deſcendiédo ſobreſta piedra la útud de fiǵa de moſq́to, o de alguna deſtas otras moſcas que dixiemos.

: … he will be kept from the harm of mosquitos and all manners of flies that are venomous or that bite. And this will happen more when over this stone descends the virtue of the figure of the mosquito, or that of another one of the flies we mentioned.