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    Silver y moth caterpillar feeding on Honeysuckle leaf. — Stock Photo
    Silver y moth caterpillar feeding on Honeysuckle leaf.
    Close-up of exotic moth perched on branch in tropical forest. — Stock Photo
    Close-up of exotic moth perched on branch in tropical forest.
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Sweat bee in detailed portrait shot. — Stock Photo
    Sweat bee in detailed portrait shot.
    Delicate tunicate in Komodo National Park — Stock Photo
    Delicate tunicate in Komodo National Park
    Spanish fly colourful elytron surface texture. — Stock Photo
    Spanish fly colourful elytron surface texture.
    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.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Coral reef in Komodo National Park — Stock Photo
    Coral reef in Komodo National Park
    Bumblebee shrimp on adhesive anemone — Stock Photo
    Bumblebee shrimp on adhesive anemone
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Crown-of-thorns sea star on corals — Stock Photo
    Crown-of-thorns sea star on corals
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Diverse array of corals in Raja Ampat — Stock Photo
    Diverse array of corals in Raja Ampat
    Close-up of red orb weaver spider at center of web. — Stock Photo
    Close-up of red orb weaver spider at center of web.
    France, Arcachon bay, seafood platter — Stock Photo
    France, Arcachon bay, seafood platter
    Hypselodoris bullockii nudibranch — Stock Photo
    Hypselodoris bullockii nudibranch
    Banana nudibranch crawling from egg ribbon — Stock Photo
    Banana nudibranch crawling from egg ribbon
    Bumblebee sitting on common thistle wildflower. — Stock Photo
    Bumblebee sitting on common thistle wildflower.
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasite causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasite causing ulcer in intestinal tract.
    Western forktail dragonfly perched on flowers in meadow, close-up. — Stock Photo
    Western forktail dragonfly perched on flowers in meadow, close-up.
    Europe France loading oyster harvesting in the Gulf of Morbihan in Brittany — Stock Photo
    Europe France loading oyster harvesting in the Gulf of Morbihan in Brittany
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Variegated meadowhawk perched on plant in meadow, close-up. — Stock Photo
    Variegated meadowhawk perched on plant in meadow, close-up.
    Close-up of European hornet on plant, side view. — Stock Photo
    Close-up of European hornet on plant, side view.
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Cross section of nautilus shell with spiral structure. — Stock Photo
    Cross section of nautilus shell with spiral structure.
    Sweat bee on dried leaf of wild plant. — Stock Photo
    Sweat bee on dried leaf of wild plant.
    Small spider reaching a leg toward dew covered spiderweb — Stock Photo
    Small spider reaching a leg toward dew covered spiderweb
    Mantis shrimp closeup headshot — Stock Photo
    Mantis shrimp closeup headshot
    Parasitic wasp with eyes and antennas, frontal portrait. — Stock Photo
    Parasitic wasp with eyes and antennas, frontal portrait.
    Wings of the 'Giant Red Winged Hopper'; a grasshopper (Tropidacris dux) from Peru — Stock Photo
    Wings of the 'Giant Red Winged Hopper'; a grasshopper (Tropidacris dux) from Peru
    Blue starfish and corals on sandy seafloor — Stock Photo
    Blue starfish and corals on sandy seafloor
    Octopus eye closeup shot — Stock Photo
    Octopus eye closeup shot
    Hands of little boy with insect — Stock Photo
    Hands of little boy with insect
    Adult Cicadas on white background — Stock Photo
    Adult Cicadas on white background
    Shrimp in bubble coral — Stock Photo
    Shrimp in bubble coral
    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.
    Traditional fresh fish market — Stock Photo
    Traditional fresh fish market
    Close-up of orb weaver spider guarding nest in net. — Stock Photo
    Close-up of orb weaver spider guarding nest in net.
    Blood sucking common Bedbug — Stock Photo
    Blood sucking common Bedbug
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Colorful corals on reef near Sulawesi — Stock Photo
    Colorful corals on reef near Sulawesi
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    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 malachite beetle sitting on wild plant. — Stock Photo
    Close-up of malachite beetle sitting on wild plant.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Parachuting mimic octopus — Stock Photo
    Parachuting mimic octopus
    3d illustration of a schistosome fluke (Schistosoma mansoni) — Stock Photo
    3d illustration of a schistosome fluke (Schistosoma mansoni)
    Egg coil of Spanish Dancer nudibranch — Stock Photo
    Egg coil of Spanish Dancer nudibranch
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Close-up underwater photograph showing the tentacles and various organs of the putative Siphonophre species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island o — Stock Photo
    Close-up underwater photograph showing the tentacles and various organs of the putative Siphonophre species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island o
    Tiny nudibranch on sea cucumber — Stock Photo
    Tiny nudibranch on sea cucumber
    Chromodoris reticulata spotted nudibranch — Stock Photo
    Chromodoris reticulata spotted nudibranch
    Parasitic Cylindromyia fly on a dried wild flower head. — Stock Photo
    Parasitic Cylindromyia fly on a dried wild flower head.
    Large gorgonian growing on reef — Stock Photo
    Large gorgonian growing on reef
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Chromodoris tinctoria nudibranch — Stock Photo
    Chromodoris tinctoria nudibranch