Gram-positive ((of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method). Gram-negative ((of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method). Hyponyms (each of the following is a kind of bacteria):
Outdoors experts: Keep ticks off by spraying repellent on your clothes. A female deer tick. Shane Wilkinson, camping equipment manager at Bass Pro Shops in the Fingerlakes Mall, said he was among those who mistakenly thought this past winter was going to put a real hurt on the ticks.
Most insect repellents for mosquitoes and biting flies are also labeled for use against ticks, but repellency of the product for ticks is usually less than for mosquitoes. They are, after all, insect repellents, and ticks are not insects. There is less testing data for repellents against ticks.