Pest Organisms / Blacklegged Tick
Beneficial Notes
for Blacklegged Tick
Every active stage survives on blood drawn from a host, which puts this tick squarely in the parasite column rather than among helpful yard organisms. Source: https://wisconsin-ticks.russell.wisc.edu/ixodes-scapularis-life-cycle/ It offers no pollination, predation, or decomposition to offset the health risk it carries, so there is no ecological benefit to preserve.