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    Long horned bee sleeping on thin branch. — Stock Photo
    Long horned bee sleeping on thin branch.
    Full dog anatomy with internal organs, digital illustration. — Stock Photo
    Full dog anatomy with internal organs, digital illustration.
    Close-up of mating six spot burnet moths on common thistle flower. — Stock Photo
    Close-up of mating six spot burnet moths on common thistle flower.
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    White-throated kingfisher with gecko in beak on tree branch. — Stock Photo
    White-throated kingfisher with gecko in beak on tree branch.
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    3d illustration of tapeworms infestation in human intestine. — Stock Photo
    3d illustration of tapeworms infestation in human intestine.
    Horse skeleton model with detailed Superficial digital flexor muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Superficial digital flexor muscle, digital illustration.
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Structure of dog nervous system, computer illustration. — Stock Photo
    Structure of dog nervous system, computer illustration.
    Broad nosed weevil on green grass blade. — Stock Photo
    Broad nosed weevil on green grass blade.
    Digital illustration of intestinal parasitic tapeworm head with suckers. — Stock Photo
    Digital illustration of intestinal parasitic tapeworm head with suckers.
    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.
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Close-up of hummingbird hawkmoth on yellow lichens covered branch. — Stock Photo
    Close-up of hummingbird hawkmoth on yellow lichens covered branch.
    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
    Mating gymnosoma flies mating on wild plant. — Stock Photo
    Mating gymnosoma flies mating on wild plant.
    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.
    Afro-caribbean girl using binoculars in park. — Stock Photo
    Afro-caribbean girl using binoculars in park.
    Horse skeleton model with detailed Transversus abdominis muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Transversus abdominis muscle, digital illustration.
    Close-up of marbled skipper moth on dried wildflower. — Stock Photo
    Close-up of marbled skipper moth on dried wildflower.
    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.
    Seven-spot ladybird on wild oat stem. — Stock Photo
    Seven-spot ladybird on wild oat stem.
    Close-up of dragonfly perched on dried plant outdoors. — Stock Photo
    Close-up of dragonfly perched on dried plant outdoors.
    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.
    Locusts in a jar — Stock Photo
    Locusts in a jar
    Adult damselflies on leaf — Stock Photo
    Adult damselflies on leaf
    Horse anatomy with visible internal organs on white background, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs on white background, computer illustration.
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Close-up of bright green blister beetle portrait on black background. — Stock Photo
    Close-up of bright green blister beetle portrait on black background.
    Dog silhouette with red colored bladder on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored bladder on black background, digital illustration.
    Honey bee on honeycomb — Stock Photo
    Honey bee on honeycomb
    Redknee tarantula spider being observed by boy. — Stock Photo
    Redknee tarantula spider being observed by boy.
    Horse anatomy with visible internal organs on white background, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs on white background, computer illustration.
    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.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    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.
    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.
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Eskimo dog pup resting in snow blizzard, Canada. — Stock Photo
    Eskimo dog pup resting in snow blizzard, Canada.
    Adult Veiled chameleon — Stock Photo
    Adult Veiled chameleon
    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.
    Dog silhouette with red colored kidneys on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored kidneys on black background, digital illustration.
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    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
    Close-up of thick-headed fly sitting on wildflower. — Stock Photo
    Close-up of thick-headed fly sitting on wildflower.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Dog anatomy with visible organs on white background, digital illustration. — Stock Photo
    Dog anatomy with visible organs on white background, digital illustration.
    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Adult Pubic louse on hair — Stock Photo
    Adult Pubic louse on hair
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Close-up of fly covered by dew drops and ice crystals. — Stock Photo
    Close-up of fly covered by dew drops and ice crystals.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Dog silhouette with red colored genitals on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored genitals on black background, digital illustration.
    Scabies mite or Sarcoptes scabei — Stock Photo
    Scabies mite or Sarcoptes scabei