Beetles on developing plant stem, illustration
Migratory locust life-cycle, illustration
Elm bark beetle, illustration
Fruit fly life-cycle, illustration
Ants, illustration
Woolly beech aphid, illustration
Darkling beetle, illustration
Ground beetle, illustration
Plant pest damage, illustration
Beech scale, illustration
Kissing bug, illustration
Convolvulus hawk-moth, illustration
Leafy spurge hawk-moth, illustration
European rhinoceros beetle, illustration
Great capricorn beetle, illustration
Bouquet butterfly, illustration
Stonefly larva, illustration
Small dark yellow underwing caterpillar
Beautiful yellow underwing caterpillar
Apamea sp. caterpillar
Twin-spotted wainscot caterpillar
Webb's wainscot caterpillar
Fen wainscot caterpillar
Dun bar caterpillar
Pale mottled willow caterpillar
Mottled rustic caterpillar
Caradrina selini caterpillar
Marbled clover caterpillar
Spotted sulphur caterpillar
Angle-striped sallow caterpillar
Erastria trabealis caterpillar
Latin caterpillar
Small angle shades caterpillar
Silver hook caterpillar
Crescent caterpillar
Hoplodrina alsines caterpillar
Rosy rustic caterpillar
Hydrilla palustris caterpillar
Double kidney caterpillar
Olive caterpillar
Nonagria maritima caterpillar
Phragmitiphila typhae caterpillar
Porphyrinia paula caterpillar
Bordered sallow caterpillar
Large wainscot caterpillar
Straw dot caterpillar
Trigonophora meticulosa caterpillar
Frosted orange caterpillar
Ant castes, illustration
Flukeworm life-cycle, illustration
Wasp parasitising ladybird, illustration
Silverfish life-cycle, illustration
Blue underwing moth, illustration
Swallowtail butterfly, illustration
Madagascan sunset moth, illustration
Diving beetle anatomy, Early 20th Century illustration
American cockroach, illustration
Indian meal moth, illustration
Rice weevil, illustration
Sawtoothed grain beetle, illustration
Walker's cicada, illustration
Beetle, 19th-century illustration
Fruit fly anatomy, illustration
Brugia malayi parasitic worm, illustration
Guinea worm larva, illustration
Beech weevil, illustration
Earthworm, illustration
Trichina roundworm, illustration
Liver fluke, illustration
Eggs of the parasite Ascaris lumbricoides, illustration
Tarantula wolf spider, illustration
Tick life-cycle, illustration
Incomplete metamorphosis, illustration
Stag beetle respiratory system
Duvalius abyssimus cave beetle discovery, illustration
Grasshopper and insect respiratory system, illustration
Tiger moth, illustration
Ant, illustration
Hairy wood ant, illustration
Scottish wood ant queen, illustration
Social parasitism in ants, illustration
Wood ant nest, illustration
Wood ant nests, illustration
Narrow headed ant, illustration
Red admiral butterfly, illustration
Scottish wood ant, illustration
Shining guest ant, illustration
Slave making wood ant, illustration
Slender ant, illustration
Slender ant and shining guest ant, illustration
Southern red wood ant, illustration
Parasitic trophozoite development
Giant peacock moth, illustration
Biodiversity, conceptual illustration
Insect eye anatomy, artwork
Malaria, conceptual illustration
Queen and monarch butterflies on milkweed, illustration
Southern Red wood ants mating, illustration
Wood ant eggs, illustration
Wood ant larvae, illustration
Wood ant pupae, illustration
Orange-tip butterfly and cuckoo-flower, illustration
Southern red wood ant and shining guest ant, illustration
Southern red wood ants transferring fluids, illustration
Insect contracting muscles to move wings up, illustration
Moth antennae, illustration
Butterfly wing, illustration
Catching ants, illustration
Earthworm anatomy, artwork
Mosquito in flight, illustration
Bedbug, illustration
Head of a housefly, illustration
Bark beetle, illustration
Male black widow spider, illustration
Spider, illustration
Spider illustrations
Grasshopper mouthparts, artwork
Darlingtonia californica anatomy
Venus fly trap, illustration
Ant lifting the Earth, illustration
Japanese knotweed (Fallopia japonica), illustration
Polyphemus moth
Common buckeye butterfly
Silver-spotted skipper butterfly
Twelve-spotted ladybird
Squash bug
Prehistoric flying insect, artwork
Verbascam ferrugineum and grasshopper
Beech beetles, illustration
Leishmania parasitic protozoa, illustration
Chocolate-band snail, illustration
Amoeba, illustration
Compass jellyfish, 19th century illustration
Barrel jellyfish, 19th century illustration
Jellyfish, 19th century illustration
Tree hydroid, 19th century illustration
Cuttlefish, Early 20th Century illustration
Starfish anatomy, Early 20th Century illustration
Octopus anatomy, illustration
Beetles, 19th Century illustration
Threadworms, illustration
Ancylostoma hookworm, illustration