Ten male Indian rhesus macaques (Macaca mulatta), aged 2 — 3 years were subjected to infection with B. burgdorferi by nymphal Ixodes scapularis tick feeding. (journals.plos.org)
(B) Confocal image of IFA of salivary glands from partially fed nymphal ticks. (pnas.org)
It's clear that climate warming is leading to earlier spring feeding by nymphal ticks, sometimes by as much as three weeks. (sciencedaily.com)