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Move over nymphal ticks, larval deer ticks now pose a threat
The blacklegged tick has four life stages - egg, larva, nymph and adult. After it hatches, the tick must eat a blood meal (host) at every stage in order to survive. Researchers have long believed that adult female ticks could not transfer pathogens to their eggs. Therefore, larval ticks were considered pathogen-free and harmless. A new study, however, sheds light on disease transmission between life stages and suggests that we take these tiny, microscopic larvae a bit more seriously.
