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    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph. — Stock Photo
    Caenorhabditis elegans parasite worm, colored scanning electron micrograph.
    Single Trichomonas hominis protozoan parasite, digital illustration. — Stock Photo
    Single Trichomonas hominis protozoan parasite, digital illustration.
    Praying mantis head — Stock Photo
    Praying mantis head
    Close-up of caterpillar covered by early morning dew drops on tip of branch. — Stock Photo
    Close-up of caterpillar covered by early morning dew drops on tip of branch.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Leaf hopper sitting on green fresh stem. — Stock Photo
    Leaf hopper sitting on green fresh stem.
    Stable fly in lateral detail shot. — Stock Photo
    Stable fly in lateral detail shot.
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Two hippopotamuses fighting in water in Serengeti, Tanzania. — Stock Photo
    Two hippopotamuses fighting in water in Serengeti, Tanzania.
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract. — Stock Photo
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract.
    Arteries in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, cropped, anatomical computer illustration.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Close-up of entomopathogenic fungus spores spreading from fly abdomen. — Stock Photo
    Close-up of entomopathogenic fungus spores spreading from fly abdomen.
    Flying adult female mosquito — Stock Photo
    Flying adult female mosquito
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Delicate (Mythimna vitellina) moth larva on a wild plant. — Stock Photo
    Delicate (Mythimna vitellina) moth larva on a wild plant.
    Close-up of hover fly insect on dried wildflower. — Stock Photo
    Close-up of hover fly insect on dried wildflower.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Hindleg detail of parasitic Brachymeria femorata wasp. — Stock Photo
    Hindleg detail of parasitic Brachymeria femorata wasp.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up of European hornet on plant, side view. — Stock Photo
    Close-up of European hornet on plant, side view.
    Horse skeleton in transparent silhouette on black background, computer illustration. — Stock Photo
    Horse skeleton in transparent silhouette on black background, computer illustration.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Mating gymnosoma flies mating on wild plant. — Stock Photo
    Mating gymnosoma flies mating on wild plant.
    Sweat bee on dried leaf of wild plant. — Stock Photo
    Sweat bee on dried leaf of wild plant.
    Dog silhouette with visible musculature on white background, digital illustration. — Stock Photo
    Dog silhouette with visible musculature on white background, digital illustration.
    Dog silhouette with red colored large intestine on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored large intestine on black background, digital illustration.
    Illustration of ascariasis worm on black background. — Stock Photo
    Illustration of ascariasis worm on black background.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Egg of Enterobius vermicularis threadworm containing worm larva, causative agent of enterobiasis, computer illustration. — Stock Photo
    Egg of Enterobius vermicularis threadworm containing worm larva, causative agent of enterobiasis, computer illustration.
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    Anatomy of dog pancreas in transparent body, computer illustration. — Stock Photo
    Anatomy of dog pancreas in transparent body, computer illustration.
    Close-up of mining bee portrait from lateral view. — Stock Photo
    Close-up of mining bee portrait from lateral view.
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Damselfly with blue eyes — Stock Photo
    Damselfly with blue eyes
    Barbary ground squirrel eating cashew nut on rocks. — Stock Photo
    Barbary ground squirrel eating cashew nut on rocks.
    Close-up of leaf hopper at edge of green leaf. — Stock Photo
    Close-up of leaf hopper at edge of green leaf.
    Close-up of nursery web spider in hunting position on leaves. — Stock Photo
    Close-up of nursery web spider in hunting position on leaves.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Emperor scorpion on white background. — Stock Photo
    Emperor scorpion on white background.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dog silhouette with red colored heart on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored heart on black background, digital illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Horse anatomy of upper body, computer illustration. — Stock Photo
    Horse anatomy of upper body, computer illustration.
    Halictid bee on a field scabious (Knautia arvensis) flower. — Stock Photo
    Halictid bee on a field scabious (Knautia arvensis) flower.
    Dog silhouette with red colored spine on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored spine on black background, digital illustration.
    Caterpillar cocoon attached to thin plant stem. — Stock Photo
    Caterpillar cocoon attached to thin plant stem.
    Lynx spider sitting on wild plant stem. — Stock Photo
    Lynx spider sitting on wild plant stem.
    Horned dung beetle (Copris lunaris). — Stock Photo
    Horned dung beetle (Copris lunaris).
    Close-up of devils coach horse beetle with large mandibles. — Stock Photo
    Close-up of devils coach horse beetle with large mandibles.
    Dog silhouette with red colored kidneys on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored kidneys on black background, digital illustration.
    Snouted treefrog (Scinax fuscovarius) eye, close-up. This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay — Stock Photo
    Snouted treefrog (Scinax fuscovarius) eye, close-up. This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay