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    Close-up of flower crab spider on leaves of wild plants. — Stock Photo
    Close-up of flower crab spider on leaves of wild plants.
    Robberfly insect covered by early morning dew. — Stock Photo
    Robberfly insect covered by early morning dew.
    Digital illustration of female lyme disease ticks on black background — Stock Photo
    Digital illustration of female lyme disease ticks on black background
    Bumblebee sitting on common thistle wildflower. — Stock Photo
    Bumblebee sitting on common thistle wildflower.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Lynx spider sitting on wild plant stem. — Stock Photo
    Lynx spider sitting on wild plant stem.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Round worms in human intestine, computer illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species — Stock Photo
    Round worms in human intestine, computer illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Tiger moth perched on dried leaf. — Stock Photo
    Tiger moth perched on dried leaf.
    Adult Honeybee mite — Stock Photo
    Adult Honeybee mite
    Horse anatomy with visible internal organs on white background, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs on white background, computer illustration.
    House dust mites — Stock Photo
    House dust mites
    Close-up of heat butterfly collecting nectar on wild plant. — Stock Photo
    Close-up of heat butterfly collecting nectar on wild plant.
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Close-up of Idas blue butterfly on dried spike. — Stock Photo
    Close-up of Idas blue butterfly on dried spike.
    Close-up of head and antennas of honey bee. — Stock Photo
    Close-up of head and antennas of honey bee.
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Brown rose chafer (Cetonia aurata) on a branch. — Stock Photo
    Brown rose chafer (Cetonia aurata) on a branch.
    Yellow French grunt fish swimming in water, close-up. — Stock Photo
    Yellow French grunt fish swimming in water, close-up.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    German cockroach head with antennas, detailed close-up. — Stock Photo
    German cockroach head with antennas, detailed close-up.
    Dog silhouette with visible skeleton on white background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on white background, digital illustration.
    Horse skeleton, realistic 3d rendering. — Stock Photo
    Horse skeleton, realistic 3d rendering.
    Close-up of praying mantis insect detailed portrait. — Stock Photo
    Close-up of praying mantis insect detailed portrait.
    Structure of dog skeleton, computer illustration. — Stock Photo
    Structure of dog skeleton, computer illustration.
    Anatomy of dog gallbladder in transparent body, computer illustration. — Stock Photo
    Anatomy of dog gallbladder in transparent body, computer illustration.
    Dust mite on skin — Stock Photo
    Dust mite on skin
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Horse anatomy in low section, computer illustration. — Stock Photo
    Horse anatomy in low section, computer illustration.
    Stable fly with large proboscis, close-up. — Stock Photo
    Stable fly with large proboscis, close-up.
    Horse skeleton model with detailed Splenius muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Splenius muscle, 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
    Yellow belted burnet moth on wild plant. — Stock Photo
    Yellow belted burnet moth on wild plant.
    Close-up of orange legged furrow bee. — Stock Photo
    Close-up of orange legged furrow bee.
    Black leaf beetle on piece of lichen-covered branch. — Stock Photo
    Black leaf beetle on piece of lichen-covered branch.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Surface of the foot of a common pollen beetle — Stock Photo
    Surface of the foot of a common pollen beetle
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Dog silhouette with red colored spleen on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored spleen on black background, digital illustration.
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Hymenopteran hanging on green plant stem. — Stock Photo
    Hymenopteran hanging on green plant stem.
    Leopard tortoise on white background. — Stock Photo
    Leopard tortoise on white background.
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimetres wide. — Stock Photo
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimetres wide.
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Hoverfly (Scaeva selenitica) on dried a wild plant. — Stock Photo
    Hoverfly (Scaeva selenitica) on dried a wild plant.
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Horse skeleton model with detailed Trapezius muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Trapezius muscle, digital 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.
    Close-up of moth larva in cocoon on plant branch. — Stock Photo
    Close-up of moth larva in cocoon on plant branch.
    Dog silhouette with visible skeleton on white background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on white background, digital illustration.
    Close-up of German cockroach insect head, detailed macrophotography. — Stock Photo
    Close-up of German cockroach insect head, detailed macrophotography.
    Dust mite consuming skin flake — Stock Photo
    Dust mite consuming skin flake
    Thistle bud weevil sitting on common thistle flower. — Stock Photo
    Thistle bud weevil sitting on common thistle flower.
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Pink colored digital illustration of parasitic dust mites. — Stock Photo
    Pink colored digital illustration of parasitic dust mites.