Robin's pincushion galls
Amazonian Leaf galls
Rose gall wasp galls
Gall midge galls on beech leaf
Rose bedeguar gall
Gall midge gall
Silk button galls
Galls on a leaf
Common oak marble galls
Sycamore mite galls
Common spangle galls
Knopper gall with adult wasp and pupal
Acorn knopper galls
Gall on oak leaf
Bud gall
Willow redgall sawfly galls
A bee flying to a hedge rose
Black leaf beetle
Oak apples
Common spangle gall
Common spangle galls on an oak leaf
Oak-apples caused by gall wasps
Witches' broom gall
Follicle mite SEM
Silk button spangle galls on a leaf
Common spangle galls on a leaf
Blister beetle on a false dandelion flower
Gall on the leaf of a beech tree
Redcurrant bush galled by blister aphids
Weevil larva in white campion fruit
Caterpillar in white campion fruit
Chiastocheta fly pollinating globeflower
Chiastocheta fly's egg on globeflower
Female red-banded sand wasp with caterpillar prey
Parasitic Cylindromyia fly
Parasitic tachinid fly
Parasitic red mites on a frog hopper
Frog hopper
Lesser hornet hoverfly
Grey-haired mining-bee with the tringulins of an oil beetle
Torymus sp. wasp
Cochineal insects on prickly pear cactus
Spangle galls on an oak leaf, SEM
Female European corn borer moth
Alder bead galls
Male chalk-hill blue butterfly
Scorpionfly on a red campion flower
Scale insects
Varroa jacobsoni mites
Scale insects, SEM
Tapeworm in a specimen jar
Roundworm
Liver fluke
C elegans, SEM
Mites on a midge, SEM
African pink stem borer
Stem borer and parasitic wasp
Parasitic wasp cocoons and stem borers
Parasitic wasp laying eggs in stem borer
Parasitic wasp
Ticks
Tick
Tick larva, light micrograph
Mites on crane fly
Mites on fungus beetle
Ant infected by parasitic fungus
Mites on ironclad beetle
Braconid wasps
Parasitic wasps
Parasitized insect eggs
Parasites on caterpillar
Dog flea in dog hairs, SEM
Tube trapdoor spider with mites
Weevil with mites
Weevil covered with mites
Parasitic wasp on mantis eggs
Katydid covered with mites
Parasite on comb-footed spider
Bed bug, SEM
Bed bugs, SEM
Nematode worm, SEM
Hone bee mite, SEM
Tick head, light micrograph
Tick spiracle, light micrograph
Tapeworm egg, SEM
Badger lice, SEM
Ichneumon wasp
Harvestman with mites
Great pied hoverfly
Cross-mandibled bee
Parasitic bee
Cuckoo bee
Cochineal insects
Tick, light micrograph
Scale insect, SEM
Phronima amphipod and larvae
Emerald cockroach wasp head, SEM
Wasp parasitising ladybird
Bed bug rostrum, ESEM
Dog flea, SEM
Western cattle egret picking insects off an African buffalo
Fly larva in globeflower fruit
Cordyceps fungus on a large fly
Cordyceps fungus on a moth
Parasitic fly feeding on flowers
Purple toothwort (Lathraea clandestina) in flower
Fire cuckoo wasp
Bed bug feeding on a human
Broomrape parasitising thyme plant
Ladybug pupa
Tapeworm, light micrograph
Scoliid wasp
Head louse, light micrograph
Tachinid fly
Human louse, light micrograph
Human blood fluke female, light micrograph
Human blood fuke male, light micrograph
Human blood fuke mating pair, light micrograph
Chinese liver fluke, light micrograph
Giant roundworm male, light micrograph
Giant roundworm female, light micrograph
Giant roundworm female and males, light micrograph
Human body louse egg attached to hair, light micrograph
Bumblebee
Flower crab spider
Lasioglossum bee
Provence burnet moth
Six spot burnet moth
Apollo butterfly on flower of Jove
White crab spider on bog orchid
Red-tailed bumble-bee feeding on knapweed (Centaurea nigra)
Long-winged conehead bush-cricket on fleabane
Crab-spider preying on gatekeeper butterfly
European peacock butterfly
Ragwort (Senecio jacobaea) flowers
Ground ivy with Liposthenes galls
Silver y moth caterpillar
Silver Y moth caterpillar
Thyme (Thymus glabrescens) on anthill
Wood white butterfly on clary flower
Heath bee-fly
Bedbug head, SEM
Head louse, SEM
Fungal infection in bees
Hedgehog mite, SEM
Mite on mosquito larva, SEM
Bird flea
Bird flea, SEM
Sand flea, SEM
Sand flea eggs, SEM
Cat flea, SEM
Human flea, SEM
Hedgehog flea, SEM