the.com/tick

a sesame seed with ambitions, patient enough to ruin your summer in one bite

means A small blood-sucking arachnid that latches onto skin to feed, notorious for spreading disease (the word also covers a light clicking sound, a checkmark, or a moment of time, but the bug is the biter here).

from From Old English 'ticia,' the name for the parasite, with cousins across the Germanic languages — Dutch 'teek' and German 'Zecke' all point back to a shared ancestor for the little clinger. The other 'ticks' arrived separately: the clock's 'tick' and the checkmark 'tick' are imitative coinages, born from the small clicking noise itself, while 'in a tick' borrows that same beat of time. So one spelling quietly holds a bug, a sound, and a mark — only the first one bites.

life stages
Each stage demands a separate blood meal
red meat
Lone star bite can trigger meat allergy
breath hunter
Senses your carbon dioxide from feet away
slow feeder
Stays attached days, swelling enormously
ancient
Fossils show ticks fed on dinosaurs
for instance

lone star tick — amblyomma americanum, causes alpha-gal allergy to red meat in thousands of people across southern usa

ixodes scapularis — blacklegged tick that transmits lyme disease in northeastern north america, infects 300,000+ annually

paralysis tick — ixodes holocyclus in eastern australia, produces neurotoxin that causes tick paralysis in pets and humans

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