There are 175 insects that start with the letter E, from Eanus Buprestid Beetle to Exoprosopa Bee Fly. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the insects belongs to
Habitat: The places or type of weather the insects lives in
Scientific name: The designation that scientists use to catalog the species
Name: Eanus Buprestid Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eanus interruptus
Name: Earwig
Order: Dermaptera
Habitat: Gardens, forests
Scientific name: Dermaptera
Name: Earworm Moth
Order: Lepidoptera
Habitat: Croplands
Scientific name: Helicoverpa zea
Name: Eastern Hercules Beetle
Order: Coleoptera
Habitat: Deciduous forests, woodlands
Scientific name: Dynastes tityus
Name: Eastern Spruce Budworm
Order: Lepidoptera
Habitat: Spruce, fir forests
Scientific name: Choristoneura fumiferana
Name: Ebaeus Beetle
Order: Coleoptera
Habitat: Meadows
Scientific name: Ebaeus appendiculatus
Name: Ebony Jewel Beetle
Order: Coleoptera
Habitat: Tropical forests
Scientific name: Lamprocyphus augustus
Name: Ecclisomyia Caddisfly
Order: Trichoptera
Habitat: Streams
Scientific name: Ecclisomyia conspersa
Name: Eccoptomera Fly
Order: Diptera
Habitat: Forests
Scientific name: Eccoptomera species
Name: Echinodes Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Echinodes setiger
Name: Echinomicrurus Millipede
Order: Polydesmida
Habitat: Forests
Scientific name: Echinomicrurus spinigerus
Name: Echinopsyche Caddisfly
Order: Trichoptera
Habitat: Streams
Scientific name: Echinopsyche flaveolata
Name: Echinorhynchus Worm
Order: Acanthocephala
Habitat: Marine and freshwater environments
Scientific name: Echinorhynchus gadi
Name: Eciton Army Ant
Order: Hymenoptera
Habitat: Tropical Forests
Scientific name: Eciton burchellii
Name: Eciton hamatum
Order: Hymenoptera
Habitat: Tropical forests
Scientific name: Eciton hamatum
Name: Eciton rapax
Order: Hymenoptera
Habitat: Tropical forests
Scientific name: Eciton rapax
Name: Eciton vagans
Order: Hymenoptera
Habitat: Tropical forests
Scientific name: Eciton vagans
Name: Ecpleopus Gongylus
Order: Orthoptera
Habitat: Grasslands
Scientific name: Ecpleopus gongylus
Name: Ectadoderus Cricket
Order: Orthoptera
Habitat: Grasslands
Scientific name: Ectadoderus gibbus
Name: Ectatoderus nigrolineatus
Order: Orthoptera
Habitat: Grasslands
Scientific name: Ectatoderus nigrolineatus
Name: Ectatomma Ant
Order: Hymenoptera
Habitat: Tropical Forests
Scientific name: Ectatomma tuberculatum
Name: Ectopsocus Barklouse
Order: Psocoptera
Habitat: Forests
Scientific name: Ectopsocus briggsi
Name: Ecuadorian Tarantula
Order: Araneae
Habitat: Tropical forests of Ecuador
Scientific name: Pamphobeteus antinous
Name: Edaphosaurus
Order: Palaeodictyoptera
Habitat: Carboniferous period forests
Scientific name: Edaphosaurus pogonias
Name: Edessa Bug
Order: Hemiptera
Habitat: Widespread in the Americas
Scientific name: Edessa rufomarginata
Name: Edmontosaurus Termite
Order: Isoptera
Habitat: Grasslands
Scientific name: Edmontosaurus albertensis
Name: Edricus scrobiculatus
Order: Coleoptera
Habitat: Forests
Scientific name: Edricus scrobiculatus
Name: Edrioaster Starfish
Order: Echinodermata
Habitat: Marine
Scientific name: Edrioaster buchianus
Name: Edwardsiana Leafhopper
Order: Hemiptera
Habitat: Forests
Scientific name: Edwardsiana rosae
Name: Eggcase Mantis
Order: Mantodea
Habitat: Tropical, subtropical forests
Scientific name: Sphodromantis
Name: Eggplant Flea Beetle
Order: Coleoptera
Habitat: Croplands
Scientific name: Epitrix fuscula
Name: Egropa Beetle
Order: Coleoptera
Habitat: Deserts
Scientific name: Egropa species
Name: Egyptian Scarab
Order: Coleoptera
Habitat: Arid regions, deserts
Scientific name: Scarabaeus sacer
Name: Eiana Cranefly
Order: Diptera
Habitat: Wetlands
Scientific name: Eiana species
Name: Eidolon helvum
Order: Hymenoptera
Habitat: Tropical forests
Scientific name: Eidolon helvum
Name: Eimeria Protozoan
Order: Apicomplexa
Habitat: Parasitic in vertebrates
Scientific name: Eimeria tenella
Name: Eionea Mayfly
Order: Ephemeroptera
Habitat: Streams
Scientific name: Eionea naja
Name: Eisenia Earthworm
Order: Oligochaeta
Habitat: Soil
Scientific name: Eisenia fetida
Name: Elasmidae Beetle
Order: Coleoptera
Habitat: Freshwater
Scientific name: Elasmidae species
Name: Elasmosceles Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Elasmosceles crassicornis
Name: Elasmosoma Wasp
Order: Hymenoptera
Habitat: Grasslands
Scientific name: Elasmosoma berolinense
Name: Elasmosoma berolinense
Order: Hymenoptera
Habitat: Forests
Scientific name: Elasmosoma berolinense
Name: Elaterid
Order: Coleoptera
Habitat: Worldwide, except Antarctica
Scientific name: Elateridae
Name: Elateridae Click Beetle
Order: Coleoptera
Habitat: Diverse
Scientific name: Elateridae sp.
Name: Elatobium Aphid
Order: Hemiptera
Habitat: Forests
Scientific name: Elatobium abietinum
Name: Elattoneura cellularis
Order: Odonata
Habitat: Freshwater habitats
Scientific name: Elattoneura cellularis
Name: Eleale bimaculata
Order: Coleoptera
Habitat: Forests
Scientific name: Eleale bimaculata
Name: Electric Ant
Order: Hymenoptera
Habitat: Tropical, subtropical regions
Scientific name: Wasmannia auropunctata
Name: Elenchus Strepsiptera
Order: Strepsiptera
Habitat: Parasitic
Scientific name: Elenchus species
Name: Elenchus Wasp
Order: Strepsiptera
Habitat: Parasitic
Scientific name: Elenchus tenuicornis
Name: Elendus Beetle
Order: Coleoptera
Habitat: Woodlands
Scientific name: Elendus rufulus
Name: Eleodes Darkling Beetle
Order: Coleoptera
Habitat: Deserts
Scientific name: Eleodes sp.
Name: Eleodes extricatus
Order: Coleoptera
Habitat: Deserts
Scientific name: Eleodes extricatus
Name: Eletica Jewel Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eletica rufa
Name: Elettaria Moth
Order: Lepidoptera
Habitat: Tropical Asia
Scientific name: Elettaria canarensis
Name: Elis Wasp
Order: Hymenoptera
Habitat: Grasslands
Scientific name: Elis annulata
Name: Ellopostoma Caddisfly
Order: Trichoptera
Habitat: East Asia
Scientific name: Ellopostoma multiguttatum
Name: Elm Sawfly
Order: Hymenoptera
Habitat: Elm tree habitats
Scientific name: Cimbex americana
Name: Elophila Moth
Order: Lepidoptera
Habitat: Freshwater
Scientific name: Elophila species
Name: Elpia Caddisfly
Order: Trichoptera
Habitat: Streams
Scientific name: Elpia flaveolata
Name: Elytrana Beetle
Order: Coleoptera
Habitat: Tropical forests
Scientific name: Elytrana ocularis
Name: Embia Webspinner
Order: Embioptera
Habitat: Tropical Forests
Scientific name: Embia sp.
Name: Embolemidae Wasp
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Embolemus ruddii
Name: Emerald Cockroach Wasp
Order: Hymenoptera
Habitat: Tropical forests, woodlands
Scientific name: Ampulex compressa
Name: Emesa Assassin Bug
Order: Hemiptera
Habitat: Pantropical
Scientific name: Emesa pursillus
Name: Emmelina Moth
Order: Lepidoptera
Habitat: Widespread
Scientific name: Emmelina monodactyla
Name: Empidideicus Dance Fly
Order: Diptera
Habitat: Grasslands
Scientific name: Empidideicus beckeri
Name: Empis Dancefly
Order: Diptera
Habitat: Worldwide
Scientific name: Empis tessellata
Name: Empusa Mantis
Order: Mantodea
Habitat: Temperate Forests
Scientific name: Empusa pennata
Name: Enallagma Damselfly
Order: Odonata
Habitat: North America
Scientific name: Enallagma cyathigerum
Name: Enantiobuninae Harvestman
Order: Opiliones
Habitat: Central and South America
Scientific name: Enantiobuninae
Name: Enarmonia Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Enarmonia formosana
Name: Enchenopa Treehopper
Order: Hemiptera
Habitat: Forests
Scientific name: Enchenopa species
Name: Enchophyllum Planthopper
Order: Hemiptera
Habitat: Neotropics
Scientific name: Enchophyllum amazonense
Name: Encopognathus Ant
Order: Hymenoptera
Habitat: Tropical Forests
Scientific name: Encopognathus emeryi
Name: Encyrtidae Wasp
Order: Hymenoptera
Habitat: Various
Scientific name: Encyrtidae species
Name: Endecatomus Fungus Beetle
Order: Coleoptera
Habitat: Worldwide
Scientific name: Endecatomus reticulatus
Name: Endomychid Beetle
Order: Coleoptera
Habitat: Worldwide
Scientific name: Endomychus coccineus
Name: Endothenia Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Endothenia species
Name: Endromion Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Endromion pusillum
Name: Engraver Beetle
Order: Coleoptera
Habitat: Coniferous forests
Scientific name: Ips spp.
Name: Eniclases Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eniclases sp.
Name: Enicospilus Ichneumon Wasp
Order: Hymenoptera
Habitat: Forests
Scientific name: Enicospilus sp.
Name: Enigma Beetle
Order: Coleoptera
Habitat: Leaf litter, rotting wood
Scientific name: Coluocera maderae
Name: Ennomos Geometer Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Ennomos species
Name: Enochrus Beetle
Order: Coleoptera
Habitat: Aquatic
Scientific name: Enochrus testaceus
Name: Enodia Butterfly
Order: Lepidoptera
Habitat: Eastern North America
Scientific name: Enodia anthedon
Name: Entomobryid Springtail
Order: Collembola
Habitat: Leaf litter, soil
Scientific name: Entomobryidae
Name: Entomobryidae Springtail
Order: Collembola
Habitat: Worldwide
Scientific name: Entomobryidae
Name: Eocordulia Dragonfly
Order: Odonata
Habitat: Streams
Scientific name: Eocordulia jurassica
Name: Epacromia Grasshopper
Order: Orthoptera
Habitat: Grasslands
Scientific name: Epacromia tergestina
Name: Epapterus Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Epapterus sp.
Name: Epargyreus Skipper
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Epargyreus clarus
Name: Ephedrus Wasp
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Ephedrus persicae
Name: Ephemera Mayfly
Order: Ephemeroptera
Habitat: Freshwater
Scientific name: Ephemera species
Name: Ephemerella Mayfly
Order: Ephemeroptera
Habitat: Freshwater streams, rivers
Scientific name: Ephemerellidae
Name: Ephestia Flour Moth
Order: Lepidoptera
Habitat: Stored Products
Scientific name: Ephestia kuehniella
Name: Ephistemus Beetle
Order: Coleoptera
Habitat: Worldwide
Scientific name: Ephistemus globulus
Name: Ephydra Fly
Order: Diptera
Habitat: Saline Wetlands
Scientific name: Ephydra species
Name: Epiechinus Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Epiechinus species
Name: Epinotia Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Epinotia sp.
Name: Epipocus Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Epipocus sp.
Name: Epipyrops Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Epipyrops species
Name: Epitrix Flea Beetle
Order: Coleoptera
Habitat: Worldwide
Scientific name: Epitrix cucumeris
Name: Epomis Beetle
Order: Coleoptera
Habitat: Grasslands
Scientific name: Epomis dejeani
Name: Erastria Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Erastria species
Name: Erax Robberfly
Order: Diptera
Habitat: Deserts
Scientific name: Erax species
Name: Erebia Butterfly
Order: Lepidoptera
Habitat: Alpine Regions
Scientific name: Erebia sp.
Name: Eremnus Weevil
Order: Coleoptera
Habitat: South Africa
Scientific name: Eremnus cerealis
Name: Eremobia Grasshopper
Order: Orthoptera
Habitat: Deserts, arid regions
Scientific name: Eremobia crassipes
Name: Eremocoris Seed Bug
Order: Hemiptera
Habitat: Grasslands
Scientific name: Eremocoris fenestratus
Name: Ereunetis Clothes Moth
Order: Lepidoptera
Habitat: Human Habitats
Scientific name: Ereunetis species
Name: Erinna Snail Fly
Order: Diptera
Habitat: Freshwater
Scientific name: Erinna species
Name: Eriphanes Mantis
Order: Mantodea
Habitat: Tropical Forests
Scientific name: Eriphanes gracilis
Name: Eristalis Drone Fly
Order: Diptera
Habitat: Flower-rich habitats
Scientific name: Eristalis tenax
Name: Eristalis Hoverfly
Order: Diptera
Habitat: Diverse
Scientific name: Eristalis tenax
Name: Eriugnida Pseudoscorpion
Order: Pseudoscorpionida
Habitat: Forests
Scientific name: Eriugnida sp.
Name: Ernest's Moth
Order: Lepidoptera
Habitat: Tropical forests
Scientific name: Xylophanes ernesti
Name: Ernestevania Moth
Order: Lepidoptera
Habitat: Southeast Asia
Scientific name: Ernestevania malaisei
Name: Erodiscus Beetle
Order: Coleoptera
Habitat: Grasslands
Scientific name: Erodiscus species
Name: Erynnis Dusky Wing
Order: Lepidoptera
Habitat: Woodlands
Scientific name: Erynnis brizo
Name: Erynnis Dusky Wing Butterfly
Order: Lepidoptera
Habitat: Diverse
Scientific name: Erynnis sp.
Name: Erynnis Skipper
Order: Lepidoptera
Habitat: North America
Scientific name: Erynnis brizo
Name: Erythemis Dragonfly
Order: Odonata
Habitat: Ponds/Wetlands
Scientific name: Erythemis simplicicollis
Name: Eschatomoxys Millipede
Order: Polydesmida
Habitat: South America
Scientific name: Eschatomoxys fuhrmanni
Name: Escherichia Bacteria
Order: Proteobacteria
Habitat: Various
Scientific name: Escherichia coli
Name: Esperanza Moth
Order: Lepidoptera
Habitat: Southwest United States
Scientific name: Esperanza trimaculella
Name: Estheria Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Estheria testacea
Name: Estheria Clam Shrimp
Order: Branchiopoda
Habitat: Freshwater
Scientific name: Estheria species
Name: Estigmene Moth
Order: Lepidoptera
Habitat: Meadows, grasslands
Scientific name: Estigmene acrea
Name: Ethmia Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Ethmia species
Name: Etiella Snout Moth
Order: Lepidoptera
Habitat: Worldwide
Scientific name: Etiella zinckenella
Name: Euchirus Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Euchirus longimanus
Name: Euclidia Moth
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Euclidia species
Name: Euconnus Rove Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Euconnus species
Name: Eudailmatodon Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eudailmatodon glabrum
Name: Eudaimonia Beetle
Order: Coleoptera
Habitat: Rainforest
Scientific name: Eudaimonia sp.
Name: Euderus Wasp
Order: Hymenoptera
Habitat: Woodland
Scientific name: Euderus albitarsis
Name: Eudicrana Fungus Gnat
Order: Diptera
Habitat: Fungus
Scientific name: Eudicrana sp.
Name: Eudonia Snout Moth
Order: Lepidoptera
Habitat: Diverse
Scientific name: Eudonia sp.
Name: Eueides Butterfly
Order: Lepidoptera
Habitat: Rainforest
Scientific name: Eueides sp.
Name: Eueides Longwing Butterfly
Order: Lepidoptera
Habitat: Tropical Forests
Scientific name: Eueides isabella
Name: Eulecanium Scale Insect
Order: Hemiptera
Habitat: Forests
Scientific name: Eulecanium species
Name: Eulichas Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eulichas species
Name: Eulophidae Wasp
Order: Hymenoptera
Habitat: Various
Scientific name: Eulophidae sp.
Name: Eulophonotus Moth
Order: Lepidoptera
Habitat: Savanna
Scientific name: Eulophonotus sp.
Name: Eumasia Bagworm Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Eumasia parietariella
Name: Eumastacidae Grasshopper
Order: Orthoptera
Habitat: Grassland
Scientific name: Eumastacidae sp.
Name: Eumenes Mud Dauber
Order: Hymenoptera
Habitat: Diverse
Scientific name: Eumenes fraternus
Name: Eumenes Potter Wasp
Order: Hymenoptera
Habitat: Various
Scientific name: Eumenes species
Name: Eumerus Flower Fly
Order: Diptera
Habitat: Diverse
Scientific name: Eumerus strigatus
Name: Eumicrota Rove Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Eumicrota corruscula
Name: Eunemobius Cricket
Order: Orthoptera
Habitat: Woodland
Scientific name: Eunemobius sp.
Name: Eunomia Wasp
Order: Hymenoptera
Habitat: Tropical Forests
Scientific name: Eunomia opaciceps
Name: Euomphalia Snail
Order: Gastropoda
Habitat: Forests
Scientific name: Euomphalia strigella
Name: Eupelmus Wasp
Order: Hymenoptera
Habitat: Various
Scientific name: Eupelmus sp.
Name: Euproctis Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Euproctis species
Name: Eurema Sulfur Butterfly
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Eurema species
Name: Eurema Sulphur Butterfly
Order: Lepidoptera
Habitat: Diverse
Scientific name: Eurema sp.
Name: Eurycantha Stick Insect
Order: Phasmatodea
Habitat: Tropical Forests
Scientific name: Eurycantha calcarata
Name: Eurycnema Stick Insect
Order: Phasmatodea
Habitat: Forests
Scientific name: Eurycnema herculeana
Name: Eurycoma Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Eurycoma species
Name: Euscelis Leafhopper
Order: Hemiptera
Habitat: Grasslands
Scientific name: Euscelis species
Name: Euscorpius Scorpion
Order: Scorpionida
Habitat: Diverse
Scientific name: Euscorpius flavicaudis
Name: Eusymphyla Symphylan
Order: Symphyla
Habitat: Soil
Scientific name: Eusymphyla sp.
Name: Eutarsopolipus Mite
Order: Acari
Habitat: Soil
Scientific name: Eutarsopolipus sp.
Name: Euthycera Dung Fly
Order: Diptera
Habitat: Grasslands
Scientific name: Euthycera species
Name: Euxestus Beetle
Order: Coleoptera
Habitat: Fungi
Scientific name: Euxestus sp.
Name: Euxoa Cutworm Moth
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Euxoa species
Name: Euxoa Dart Moth
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Euxoa sp.
Name: Evania Wasp
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Evania appendigaster
Name: Evaniella Wasp
Order: Hymenoptera
Habitat: Woodlands
Scientific name: Evaniella semaeoda
Name: Everes Butterfly
Order: Lepidoptera
Habitat: Diverse
Scientific name: Everes comyntas
Name: Exechonella Wasp
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Exechonella similis
Name: Exoprosopa Bee Fly
Order: Diptera
Habitat: Worldwide
Scientific name: Exoprosopa capucina
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Eanus Buprestid Beetle | Coleoptera | Forests | Eanus interruptus |
| Earwig | Dermaptera | Gardens, forests | Dermaptera |
| Earworm Moth | Lepidoptera | Croplands | Helicoverpa zea |
| Eastern Hercules Beetle | Coleoptera | Deciduous forests, woodlands | Dynastes tityus |
| Eastern Spruce Budworm | Lepidoptera | Spruce, fir forests | Choristoneura fumiferana |
| Ebaeus Beetle | Coleoptera | Meadows | Ebaeus appendiculatus |
| Ebony Jewel Beetle | Coleoptera | Tropical forests | Lamprocyphus augustus |
| Ecclisomyia Caddisfly | Trichoptera | Streams | Ecclisomyia conspersa |
| Eccoptomera Fly | Diptera | Forests | Eccoptomera species |
| Echinodes Beetle | Coleoptera | Forests | Echinodes setiger |
| Echinomicrurus Millipede | Polydesmida | Forests | Echinomicrurus spinigerus |
| Echinopsyche Caddisfly | Trichoptera | Streams | Echinopsyche flaveolata |
| Echinorhynchus Worm | Acanthocephala | Marine and freshwater environments | Echinorhynchus gadi |
| Eciton Army Ant | Hymenoptera | Tropical Forests | Eciton burchellii |
| Eciton hamatum | Hymenoptera | Tropical forests | Eciton hamatum |
| Eciton rapax | Hymenoptera | Tropical forests | Eciton rapax |
| Eciton vagans | Hymenoptera | Tropical forests | Eciton vagans |
| Ecpleopus Gongylus | Orthoptera | Grasslands | Ecpleopus gongylus |
| Ectadoderus Cricket | Orthoptera | Grasslands | Ectadoderus gibbus |
| Ectatoderus nigrolineatus | Orthoptera | Grasslands | Ectatoderus nigrolineatus |
| Ectatomma Ant | Hymenoptera | Tropical Forests | Ectatomma tuberculatum |
| Ectopsocus Barklouse | Psocoptera | Forests | Ectopsocus briggsi |
| Ecuadorian Tarantula | Araneae | Tropical forests of Ecuador | Pamphobeteus antinous |
| Edaphosaurus | Palaeodictyoptera | Carboniferous period forests | Edaphosaurus pogonias |
| Edessa Bug | Hemiptera | Widespread in the Americas | Edessa rufomarginata |
| Edmontosaurus Termite | Isoptera | Grasslands | Edmontosaurus albertensis |
| Edricus scrobiculatus | Coleoptera | Forests | Edricus scrobiculatus |
| Edrioaster Starfish | Echinodermata | Marine | Edrioaster buchianus |
| Edwardsiana Leafhopper | Hemiptera | Forests | Edwardsiana rosae |
| Eggcase Mantis | Mantodea | Tropical, subtropical forests | Sphodromantis |
| Eggplant Flea Beetle | Coleoptera | Croplands | Epitrix fuscula |
| Egropa Beetle | Coleoptera | Deserts | Egropa species |
| Egyptian Scarab | Coleoptera | Arid regions, deserts | Scarabaeus sacer |
| Eiana Cranefly | Diptera | Wetlands | Eiana species |
| Eidolon helvum | Hymenoptera | Tropical forests | Eidolon helvum |
| Eimeria Protozoan | Apicomplexa | Parasitic in vertebrates | Eimeria tenella |
| Eionea Mayfly | Ephemeroptera | Streams | Eionea naja |
| Eisenia Earthworm | Oligochaeta | Soil | Eisenia fetida |
| Elasmidae Beetle | Coleoptera | Freshwater | Elasmidae species |
| Elasmosceles Beetle | Coleoptera | Forests | Elasmosceles crassicornis |
| Elasmosoma Wasp | Hymenoptera | Grasslands | Elasmosoma berolinense |
| Elasmosoma berolinense | Hymenoptera | Forests | Elasmosoma berolinense |
| Elaterid | Coleoptera | Worldwide, except Antarctica | Elateridae |
| Elateridae Click Beetle | Coleoptera | Diverse | Elateridae sp. |
| Elatobium Aphid | Hemiptera | Forests | Elatobium abietinum |
| Elattoneura cellularis | Odonata | Freshwater habitats | Elattoneura cellularis |
| Eleale bimaculata | Coleoptera | Forests | Eleale bimaculata |
| Electric Ant | Hymenoptera | Tropical, subtropical regions | Wasmannia auropunctata |
| Elenchus Strepsiptera | Strepsiptera | Parasitic | Elenchus species |
| Elenchus Wasp | Strepsiptera | Parasitic | Elenchus tenuicornis |
| Elendus Beetle | Coleoptera | Woodlands | Elendus rufulus |
| Eleodes Darkling Beetle | Coleoptera | Deserts | Eleodes sp. |
| Eleodes extricatus | Coleoptera | Deserts | Eleodes extricatus |
| Eletica Jewel Beetle | Coleoptera | Forests | Eletica rufa |
| Elettaria Moth | Lepidoptera | Tropical Asia | Elettaria canarensis |
| Elis Wasp | Hymenoptera | Grasslands | Elis annulata |
| Ellopostoma Caddisfly | Trichoptera | East Asia | Ellopostoma multiguttatum |
| Elm Sawfly | Hymenoptera | Elm tree habitats | Cimbex americana |
| Elophila Moth | Lepidoptera | Freshwater | Elophila species |
| Elpia Caddisfly | Trichoptera | Streams | Elpia flaveolata |
| Elytrana Beetle | Coleoptera | Tropical forests | Elytrana ocularis |
| Embia Webspinner | Embioptera | Tropical Forests | Embia sp. |
| Embolemidae Wasp | Hymenoptera | Worldwide | Embolemus ruddii |
| Emerald Cockroach Wasp | Hymenoptera | Tropical forests, woodlands | Ampulex compressa |
| Emesa Assassin Bug | Hemiptera | Pantropical | Emesa pursillus |
| Emmelina Moth | Lepidoptera | Widespread | Emmelina monodactyla |
| Empidideicus Dance Fly | Diptera | Grasslands | Empidideicus beckeri |
| Empis Dancefly | Diptera | Worldwide | Empis tessellata |
| Empusa Mantis | Mantodea | Temperate Forests | Empusa pennata |
| Enallagma Damselfly | Odonata | North America | Enallagma cyathigerum |
| Enantiobuninae Harvestman | Opiliones | Central and South America | Enantiobuninae |
| Enarmonia Moth | Lepidoptera | Forests | Enarmonia formosana |
| Enchenopa Treehopper | Hemiptera | Forests | Enchenopa species |
| Enchophyllum Planthopper | Hemiptera | Neotropics | Enchophyllum amazonense |
| Encopognathus Ant | Hymenoptera | Tropical Forests | Encopognathus emeryi |
| Encyrtidae Wasp | Hymenoptera | Various | Encyrtidae species |
| Endecatomus Fungus Beetle | Coleoptera | Worldwide | Endecatomus reticulatus |
| Endomychid Beetle | Coleoptera | Worldwide | Endomychus coccineus |
| Endothenia Moth | Lepidoptera | Forests | Endothenia species |
| Endromion Beetle | Coleoptera | Forests | Endromion pusillum |
| Engraver Beetle | Coleoptera | Coniferous forests | Ips spp. |
| Eniclases Beetle | Coleoptera | Forests | Eniclases sp. |
| Enicospilus Ichneumon Wasp | Hymenoptera | Forests | Enicospilus sp. |
| Enigma Beetle | Coleoptera | Leaf litter, rotting wood | Coluocera maderae |
| Ennomos Geometer Moth | Lepidoptera | Forests | Ennomos species |
| Enochrus Beetle | Coleoptera | Aquatic | Enochrus testaceus |
| Enodia Butterfly | Lepidoptera | Eastern North America | Enodia anthedon |
| Entomobryid Springtail | Collembola | Leaf litter, soil | Entomobryidae |
| Entomobryidae Springtail | Collembola | Worldwide | Entomobryidae |
| Eocordulia Dragonfly | Odonata | Streams | Eocordulia jurassica |
| Epacromia Grasshopper | Orthoptera | Grasslands | Epacromia tergestina |
| Epapterus Moth | Lepidoptera | Forests | Epapterus sp. |
| Epargyreus Skipper | Lepidoptera | Grasslands | Epargyreus clarus |
| Ephedrus Wasp | Hymenoptera | Worldwide | Ephedrus persicae |
| Ephemera Mayfly | Ephemeroptera | Freshwater | Ephemera species |
| Ephemerella Mayfly | Ephemeroptera | Freshwater streams, rivers | Ephemerellidae |
| Ephestia Flour Moth | Lepidoptera | Stored Products | Ephestia kuehniella |
| Ephistemus Beetle | Coleoptera | Worldwide | Ephistemus globulus |
| Ephydra Fly | Diptera | Saline Wetlands | Ephydra species |
| Epiechinus Beetle | Coleoptera | Forests | Epiechinus species |
| Epinotia Moth | Lepidoptera | Forests | Epinotia sp. |
| Epipocus Beetle | Coleoptera | Forests | Epipocus sp. |
| Epipyrops Moth | Lepidoptera | Forests | Epipyrops species |
| Epitrix Flea Beetle | Coleoptera | Worldwide | Epitrix cucumeris |
| Epomis Beetle | Coleoptera | Grasslands | Epomis dejeani |
| Erastria Moth | Lepidoptera | Forests | Erastria species |
| Erax Robberfly | Diptera | Deserts | Erax species |
| Erebia Butterfly | Lepidoptera | Alpine Regions | Erebia sp. |
| Eremnus Weevil | Coleoptera | South Africa | Eremnus cerealis |
| Eremobia Grasshopper | Orthoptera | Deserts, arid regions | Eremobia crassipes |
| Eremocoris Seed Bug | Hemiptera | Grasslands | Eremocoris fenestratus |
| Ereunetis Clothes Moth | Lepidoptera | Human Habitats | Ereunetis species |
| Erinna Snail Fly | Diptera | Freshwater | Erinna species |
| Eriphanes Mantis | Mantodea | Tropical Forests | Eriphanes gracilis |
| Eristalis Drone Fly | Diptera | Flower-rich habitats | Eristalis tenax |
| Eristalis Hoverfly | Diptera | Diverse | Eristalis tenax |
| Eriugnida Pseudoscorpion | Pseudoscorpionida | Forests | Eriugnida sp. |
| Ernest's Moth | Lepidoptera | Tropical forests | Xylophanes ernesti |
| Ernestevania Moth | Lepidoptera | Southeast Asia | Ernestevania malaisei |
| Erodiscus Beetle | Coleoptera | Grasslands | Erodiscus species |
| Erynnis Dusky Wing | Lepidoptera | Woodlands | Erynnis brizo |
| Erynnis Dusky Wing Butterfly | Lepidoptera | Diverse | Erynnis sp. |
| Erynnis Skipper | Lepidoptera | North America | Erynnis brizo |
| Erythemis Dragonfly | Odonata | Ponds/Wetlands | Erythemis simplicicollis |
| Eschatomoxys Millipede | Polydesmida | South America | Eschatomoxys fuhrmanni |
| Escherichia Bacteria | Proteobacteria | Various | Escherichia coli |
| Esperanza Moth | Lepidoptera | Southwest United States | Esperanza trimaculella |
| Estheria Beetle | Coleoptera | Forests | Estheria testacea |
| Estheria Clam Shrimp | Branchiopoda | Freshwater | Estheria species |
| Estigmene Moth | Lepidoptera | Meadows, grasslands | Estigmene acrea |
| Ethmia Moth | Lepidoptera | Forests | Ethmia species |
| Etiella Snout Moth | Lepidoptera | Worldwide | Etiella zinckenella |
| Euchirus Beetle | Coleoptera | Forests | Euchirus longimanus |
| Euclidia Moth | Lepidoptera | Grasslands | Euclidia species |
| Euconnus Rove Beetle | Coleoptera | Forests | Euconnus species |
| Eudailmatodon Beetle | Coleoptera | Forests | Eudailmatodon glabrum |
| Eudaimonia Beetle | Coleoptera | Rainforest | Eudaimonia sp. |
| Euderus Wasp | Hymenoptera | Woodland | Euderus albitarsis |
| Eudicrana Fungus Gnat | Diptera | Fungus | Eudicrana sp. |
| Eudonia Snout Moth | Lepidoptera | Diverse | Eudonia sp. |
| Eueides Butterfly | Lepidoptera | Rainforest | Eueides sp. |
| Eueides Longwing Butterfly | Lepidoptera | Tropical Forests | Eueides isabella |
| Eulecanium Scale Insect | Hemiptera | Forests | Eulecanium species |
| Eulichas Beetle | Coleoptera | Forests | Eulichas species |
| Eulophidae Wasp | Hymenoptera | Various | Eulophidae sp. |
| Eulophonotus Moth | Lepidoptera | Savanna | Eulophonotus sp. |
| Eumasia Bagworm Moth | Lepidoptera | Forests | Eumasia parietariella |
| Eumastacidae Grasshopper | Orthoptera | Grassland | Eumastacidae sp. |
| Eumenes Mud Dauber | Hymenoptera | Diverse | Eumenes fraternus |
| Eumenes Potter Wasp | Hymenoptera | Various | Eumenes species |
| Eumerus Flower Fly | Diptera | Diverse | Eumerus strigatus |
| Eumicrota Rove Beetle | Coleoptera | Forests | Eumicrota corruscula |
| Eunemobius Cricket | Orthoptera | Woodland | Eunemobius sp. |
| Eunomia Wasp | Hymenoptera | Tropical Forests | Eunomia opaciceps |
| Euomphalia Snail | Gastropoda | Forests | Euomphalia strigella |
| Eupelmus Wasp | Hymenoptera | Various | Eupelmus sp. |
| Euproctis Moth | Lepidoptera | Forests | Euproctis species |
| Eurema Sulfur Butterfly | Lepidoptera | Grasslands | Eurema species |
| Eurema Sulphur Butterfly | Lepidoptera | Diverse | Eurema sp. |
| Eurycantha Stick Insect | Phasmatodea | Tropical Forests | Eurycantha calcarata |
| Eurycnema Stick Insect | Phasmatodea | Forests | Eurycnema herculeana |
| Eurycoma Moth | Lepidoptera | Forests | Eurycoma species |
| Euscelis Leafhopper | Hemiptera | Grasslands | Euscelis species |
| Euscorpius Scorpion | Scorpionida | Diverse | Euscorpius flavicaudis |
| Eusymphyla Symphylan | Symphyla | Soil | Eusymphyla sp. |
| Eutarsopolipus Mite | Acari | Soil | Eutarsopolipus sp. |
| Euthycera Dung Fly | Diptera | Grasslands | Euthycera species |
| Euxestus Beetle | Coleoptera | Fungi | Euxestus sp. |
| Euxoa Cutworm Moth | Lepidoptera | Grasslands | Euxoa species |
| Euxoa Dart Moth | Lepidoptera | Grasslands | Euxoa sp. |
| Evania Wasp | Hymenoptera | Worldwide | Evania appendigaster |
| Evaniella Wasp | Hymenoptera | Woodlands | Evaniella semaeoda |
| Everes Butterfly | Lepidoptera | Diverse | Everes comyntas |
| Exechonella Wasp | Hymenoptera | Worldwide | Exechonella similis |
| Exoprosopa Bee Fly | Diptera | Worldwide | Exoprosopa capucina |