mosquitoes seem to like the way Vosshall smells, for example, but not how she tastes.
If you have dead bodies, pestilence, lice, with a 90 temperature--mosquitoes, flies--then you have serious problems.
Try to stay inside at dawn and dusk, when mosquitoes are most active.
1580s, from Spanish mosquito "little gnat," diminutive of mosca "fly," from Latin musca "fly," from PIE root *mu- "gnat, fly," imitative of insect buzzing (cf. Sanskrit maksa-, Greek myia, Old English mycg, Modern English midge, Old Church Slavonic mucha), perhaps imitative of the sound of humming insects.
mosquito mos·qui·to (mə-skē'tō)
n. pl. mos·qui·toes or mos·qui·tos
Any of various two-winged insects of the family Culicidae, in which the female of most species has a long proboscis for sucking blood. Some species are vectors of diseases such as malaria and yellow fever.