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    Close-up of hummingbird hawkmoth profile portrait. — Stock Photo
    Close-up of hummingbird hawkmoth profile portrait.
    Tapeworm of cattle and other grazing animals, light micrograph. — Stock Photo
    Tapeworm of cattle and other grazing animals, light micrograph.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Honey bee on honeycomb — Stock Photo
    Honey bee on honeycomb
    Close-up of Spanish fly perched on fresh wild plant. — Stock Photo
    Close-up of Spanish fly perched on fresh wild plant.
    Colorful soft corals on reef — Stock Photo
    Colorful soft corals on reef
    Close-up of empid fly on frozen branch covered by ice crystals. — Stock Photo
    Close-up of empid fly on frozen branch covered by ice crystals.
    Caterpillar larva on vine — Stock Photo
    Caterpillar larva on vine
    Adult dust mite — Stock Photo
    Adult dust mite
    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
    Silk moth (Bombyx mori) head and antenna. — Stock Photo
    Silk moth (Bombyx mori) head and antenna.
    Young girl with flowers — Stock Photo
    Young girl with flowers
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Seven spot ladybird walking on dried stem. — Stock Photo
    Seven spot ladybird walking on dried stem.
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Beehive interior with wooden frames — Stock Photo
    Beehive interior with wooden frames
    Close up of yellow flypaper covered in dead insects — Stock Photo
    Close up of yellow flypaper covered in dead insects
    Close-up of small copper butterfly covered by dew drops on wild plant. — Stock Photo
    Close-up of small copper butterfly covered by dew drops on wild plant.
    Flesh fly sitting on nest in dried wild plant. — Stock Photo
    Flesh fly sitting on nest in dried wild plant.
    Close-up of tachinid fly perched on wild plant. — Stock Photo
    Close-up of tachinid fly perched on wild plant.
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Dorsal detail from six spot burnet moth on wild plant. — Stock Photo
    Dorsal detail from six spot burnet moth on wild plant.
    Leaf beetle with laid eggs on blade of grass. — Stock Photo
    Leaf beetle with laid eggs on blade of grass.
    Habropoda bee on common chicory flower in field. — Stock Photo
    Habropoda bee on common chicory flower in field.
    Starfish skeleton on white background. — Stock Photo
    Starfish skeleton on white background.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Western forktail dragonfly perched on plant in meadow, close-up. — Stock Photo
    Western forktail dragonfly perched on plant in meadow, close-up.
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Close-up of picture-winged fly sitting on wild plant stem. — Stock Photo
    Close-up of picture-winged fly sitting on wild plant stem.
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Caterpillar cocoon attached to thin plant stem. — Stock Photo
    Caterpillar cocoon attached to thin plant stem.
    Entomopathogenic fungus infection on fly in mating position. — Stock Photo
    Entomopathogenic fungus infection on fly in mating position.
    Close-up of grizzled skipper moth on dried wild plant. — Stock Photo
    Close-up of grizzled skipper moth on dried wild plant.
    Italy, Cicada on tree — Stock Photo
    Italy, Cicada on tree
    Close-up of dagger fly on plantago lanceolata plant. — Stock Photo
    Close-up of dagger fly on plantago lanceolata plant.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Cluster fly sitting on dried wildflower stem. — Stock Photo
    Cluster fly sitting on dried wildflower stem.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Northern scorpion telson tail stinger close-up with venom dripping from tip. — Stock Photo
    Northern scorpion telson tail stinger close-up with venom dripping from tip.
    Honeybee on a dark pink Sedum flowers. (Apis mellifera) — Stock Photo
    Honeybee on a dark pink Sedum flowers. (Apis mellifera)
    Freckled Hawkfish (Paracirrhites forsteri) resting on Cauliflower Coral (Pocillopora meandrina) off Kauai, Hawaii, during the spring; Kauai, Hawaii, United States of America — Stock Photo
    Freckled Hawkfish (Paracirrhites forsteri) resting on Cauliflower Coral (Pocillopora meandrina) off Kauai, Hawaii, during the spring; Kauai, Hawaii, United States of America
    Colored scanning electron micrograph of scales from silverfish insect living fossil. — Stock Photo
    Colored scanning electron micrograph of scales from silverfish insect living fossil.
    Dust mite, light micrograph — Stock Photo
    Dust mite, light micrograph
    Shell of unidentified sea snail. — Stock Photo
    Shell of unidentified sea snail.
    Close-up of Idas blue butterfly on dried spike. — Stock Photo
    Close-up of Idas blue butterfly on dried spike.
    Honey bee on honeycomb — Stock Photo
    Honey bee on honeycomb
    Girl holding a glass jar with a butterfly — Stock Photo
    Girl holding a glass jar with a butterfly
    Close-up of exotic moth perched on branch in tropical forest. — Stock Photo
    Close-up of exotic moth perched on branch in tropical forest.
    Empid fly on frozen branch covered with ice crystals. — Stock Photo
    Empid fly on frozen branch covered with ice crystals.
    Green carabid beetle sitting on yellow lichen-covered branch. — Stock Photo
    Green carabid beetle sitting on yellow lichen-covered branch.
    Close-up of exotic moth perched on branch in tropical forest. — Stock Photo
    Close-up of exotic moth perched on branch in tropical forest.
    Close-up of black longhorn beetle on wild plant. — Stock Photo
    Close-up of black longhorn beetle on wild plant.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    An extinct marine invertebrate Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound. — Stock Photo
    An extinct marine invertebrate Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound.
    Parasitic Tick feeding — Stock Photo
    Parasitic Tick feeding
    Adult Cicadas on white background — Stock Photo
    Adult Cicadas on white background
    Close-up of small ant carrying heavy object in nature — Stock Photo
    Close-up of small ant carrying heavy object in nature