A genus of small, eyeless, inornate ticks. As larvae and nymphs, they are found chiefly on small mammals and birds; as adults, they are found on larger mammals and some birds. They are important as vectors of protozoa and viruses, (e.g., Kyasanur Forest disease virus).
[G. haima, blood, + physaleos, full of wind]
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Examples: glitazone, GI cocktail, etc.