parasite, pinworms, spirochetes, whitefly, mites, fleas, itch mite, protozoan, tunicate, carpenter ant, fungus gnat, fungus, canis, americanus, pathogen, ameba, borrelia, aphid, tomato hornworm, tapeworm, parasitic worm, cimex lectularius, whipworm, chigger, trematode, collembola, moth, blowflies, gall wasp, roundworms, arthropod, poison sumac, daddy longlegs, infestation, wasp, shrew, insect, organism, beetle, ascaris, malarial mosquito, mantids, flatworm, hornworm, pubic louse, cowbird, invertebrate, larvae, arachnids, humanus, cicada killer, sea squirt, spartina, ectoparasites, earwig, tobacco hornworm, ebola virus, wolf spider, dodder, springtails, meadow vole, lacewing, slugs, species, cinerea, smeller, germanica, bivalve, termites, pests, isopod, mole rat, pteropod, creature, parasitoid, spider mite, commensals, schistosoma, lubber, culex quinquefasciatus, microorganism, anopheles, gonad, planarian, tsetse fly, barnacle, zebra mussel, mouthparts, lovebug, capitis, rotifer, mus musculus, gastropod, webworms, mealybugs, hookworm, trypanosomes, warty, helminths, weevil, felis, trichomes, lice, caterpillar, flea, pigeon, spider, frog, monkey, shark, snake, ant, fly, mosquito, worm, bear, bird, cockroach, elephant, maggot, pig, mite, tick, tsetse, nematode, octopus, hummingbird, larval, porcupine, rodent, snail, animal

adelgid, aphid, body louse, chicken louse, common louse, crab, crab louse, grape louse, grape phylloxera, head louse, jumping plant louse, menopon gallinae, menopon palladum, oak blight, pediculus capitis, pediculus corporis, pediculus humanus, phthirius pubis, phylloxera vitifoleae, psylla, psyllid, pubic louse, shaft louse

alder blight, body louse, common louse, cootie, family hippoboscidae, hippoboscidae, horseshoe crab, king crab, limulus polyphemus, nit, oak blight, pediculus corporis, pediculus humanus, xiphosurus polyphemus

disagreeable person, homopteran, homopterous insect, insect, unpleasant person

bird louse, biting louse, dirt ball, insect, plant louse, sucking louse, worm