List of insects that start with I

There are 165 insects that start with the letter I, from Iaspis flavescens to Isotoma. 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

Iaspis flavescens

Name: Iaspis flavescens

Order: Hymenoptera

Habitat: Forests

Scientific name: Iaspis flavescens

Icaricia icarioides

Name: Icaricia icarioides

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Icaricia icarioides

Icarus Blue

Name: Icarus Blue

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Polyommatus icarus

Icerya purchasi

Name: Icerya purchasi

Order: Hemiptera

Habitat: Plants

Scientific name: Icerya purchasi

Ichneumon fly

Name: Ichneumon fly

Order: Hymenoptera

Habitat: Worldwide

Scientific name: Ichneumonidae

Ichneumon nigriceps

Name: Ichneumon nigriceps

Order: Hymenoptera

Habitat: Forest

Scientific name: Ichneumon nigriceps

Ichneutica ceraunias

Name: Ichneutica ceraunias

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Ichneutica ceraunias

Ichnoptera

Name: Ichnoptera

Order: Orthoptera

Habitat: Grassland

Scientific name: Ichnoptera borealis

Ichthyiurinae

Name: Ichthyiurinae

Order: Coleoptera

Habitat: Aquatic

Scientific name: Ichthyiurinae

Ichthyoderma

Name: Ichthyoderma

Order: Coleoptera

Habitat: Aquatic

Scientific name: Ichthyoderma

Ichthyura inclusa

Name: Ichthyura inclusa

Order: Lepidoptera

Habitat: Deciduous forests

Scientific name: Ichthyura inclusa

Icius

Name: Icius

Order: Araneae

Habitat: Urban

Scientific name: Icius hamatus

Icterica

Name: Icterica

Order: Diptera

Habitat: Forests

Scientific name: Icterica sororcula

Icterus Beetle

Name: Icterus Beetle

Order: Coleoptera

Habitat: Forests

Scientific name: Icterus icterus

Icthyurodes

Name: Icthyurodes

Order: Coleoptera

Habitat: Aquatic

Scientific name: Icthyurodes

Ictinia mississippiensis

Name: Ictinia mississippiensis

Order: Odonata

Habitat: Wetlands

Scientific name: Ictinia mississippiensis

Idaea sericeata

Name: Idaea sericeata

Order: Lepidoptera

Habitat: Woodland

Scientific name: Idaea sericeata

Idana marginata

Name: Idana marginata

Order: Diptera

Habitat: Forests

Scientific name: Idana marginata

Idiasta

Name: Idiasta

Order: Hymenoptera

Habitat: Forests

Scientific name: Idiasta

Idiasta scitula

Name: Idiasta scitula

Order: Hymenoptera

Habitat: Grassland

Scientific name: Idiasta scitula

Idiocerus

Name: Idiocerus

Order: Hemiptera

Habitat: Trees

Scientific name: Idiocerus

Idiochaeta

Name: Idiochaeta

Order: Diptera

Habitat: Woodland

Scientific name: Idiochaeta fusca

Idiocnemus

Name: Idiocnemus

Order: Coleoptera

Habitat: Forests

Scientific name: Idiocnemus spp.

Idiocottus

Name: Idiocottus

Order: Coleoptera

Habitat: Marine

Scientific name: Idiocottus borealis

Idiogenes

Name: Idiogenes

Order: Coleoptera

Habitat: Desert

Scientific name: Idiogenes honorei

Idioglochis

Name: Idioglochis

Order: Coleoptera

Habitat: Forests

Scientific name: Idioglochis

Idiogomphus

Name: Idiogomphus

Order: Odonata

Habitat: Streams and rivers

Scientific name: Idiogomphus spp.

Idiophlebia

Name: Idiophlebia

Order: Odonata

Habitat: Freshwater

Scientific name: Idiophlebia

Idiops

Name: Idiops

Order: Araneae

Habitat: Arid

Scientific name: Idiops syriacus

Idiopsocus

Name: Idiopsocus

Order: Psocoptera

Habitat: Forests

Scientific name: Idiopsocus spp.

Idiosemus

Name: Idiosemus

Order: Coleoptera

Habitat: Deserts

Scientific name: Idiosemus spp.

Idiosepius

Name: Idiosepius

Order: Cephalopoda

Habitat: Marine

Scientific name: Idiosepius

Idiostatus

Name: Idiostatus

Order: Orthoptera

Habitat: Grasslands

Scientific name: Idiostatus spp.

Idiostatus californicus

Name: Idiostatus californicus

Order: Orthoptera

Habitat: Arid

Scientific name: Idiostatus californicus

Idiostolus

Name: Idiostolus

Order: Coleoptera

Habitat: Forests

Scientific name: Idiostolus

Idiotermes

Name: Idiotermes

Order: Isoptera

Habitat: Tropical

Scientific name: Idiotermes banksi

Idiotrochus

Name: Idiotrochus

Order: Coleoptera

Habitat: Forests

Scientific name: Idiotrochus

Idiotropus

Name: Idiotropus

Order: Coleoptera

Habitat: Forests

Scientific name: Idiotropus hirsutus

Idiozancla

Name: Idiozancla

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Idiozancla

Idiozetes

Name: Idiozetes

Order: Acari

Habitat: Soil

Scientific name: Idiozetes spp.

Idolomorpha

Name: Idolomorpha

Order: Mantodea

Habitat: Tropical forests

Scientific name: Idolomorpha gabonicola

Idolomorpha alata

Name: Idolomorpha alata

Order: Mantodea

Habitat: Tropical

Scientific name: Idolomorpha alata

Idolothrips

Name: Idolothrips

Order: Thysanoptera

Habitat: Worldwide

Scientific name: Idolothrips

Idoneuma

Name: Idoneuma

Order: Coleoptera

Habitat: Grasslands

Scientific name: Idoneuma

Ieana

Name: Ieana

Order: Lepidoptera

Habitat: Wetlands

Scientific name: Ieana spp.

Ieana marginata

Name: Ieana marginata

Order: Coleoptera

Habitat: Tropical

Scientific name: Ieana marginata

Iethira

Name: Iethira

Order: Diptera

Habitat: Aquatic

Scientific name: Iethira

Igerna

Name: Igerna

Order: Lepidoptera

Habitat: Forests

Scientific name: Igerna

Ignacia

Name: Ignacia

Order: Orthoptera

Habitat: Grasslands

Scientific name: Ignacia spp.

Ignelater

Name: Ignelater

Order: Coleoptera

Habitat: Forests

Scientific name: Ignelater spp.

Igorodes

Name: Igorodes

Order: Coleoptera

Habitat: Caves

Scientific name: Igorodes cavernicola

Iheringia

Name: Iheringia

Order: Coleoptera

Habitat: Tropical

Scientific name: Iheringia costulata

Ihlara

Name: Ihlara

Order: Coleoptera

Habitat: Arid

Scientific name: Ihlara

Ihleus

Name: Ihleus

Order: Coleoptera

Habitat: Arid

Scientific name: Ihleus

Ikanothrips

Name: Ikanothrips

Order: Thysanoptera

Habitat: Tropical forests

Scientific name: Ikanothrips breviceps

Ikaros

Name: Ikaros

Order: Lepidoptera

Habitat: Grassland

Scientific name: Ikaros

Ikonnikovia

Name: Ikonnikovia

Order: Orthoptera

Habitat: Grassland

Scientific name: Ikonnikovia portschinskyi

Ikrima

Name: Ikrima

Order: Lepidoptera

Habitat: Tropical forests

Scientific name: Ikrima

Ilema

Name: Ilema

Order: Lepidoptera

Habitat: Forests

Scientific name: Ilema spp.

Ilemorpha

Name: Ilemorpha

Order: Coleoptera

Habitat: Tropical forests

Scientific name: Ilemorpha

Ilhella

Name: Ilhella

Order: Coleoptera

Habitat: Caves

Scientific name: Ilhella cavernicola

Iliau

Name: Iliau

Order: Coleoptera

Habitat: Forests

Scientific name: Iliau spp.

Ilidoma

Name: Ilidoma

Order: Diptera

Habitat: Wetlands

Scientific name: Ilidoma spp.

Iliodes

Name: Iliodes

Order: Coleoptera

Habitat: Forests

Scientific name: Iliodes spp.

Ilisia

Name: Ilisia

Order: Diptera

Habitat: Streams and rivers

Scientific name: Ilisia spp.

Iliu

Name: Iliu

Order: Lepidoptera

Habitat: Tropical forests

Scientific name: Iliu plumbea

Illaphanus

Name: Illaphanus

Order: Coleoptera

Habitat: Forest

Scientific name: Illaphanus

Illia

Name: Illia

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Illia spp.

Illinoia

Name: Illinoia

Order: Hemiptera

Habitat: Deciduous forests

Scientific name: Illinoia

Illinoia liriodendri

Name: Illinoia liriodendri

Order: Hemiptera

Habitat: Forest

Scientific name: Illinoia liriodendri

Illis

Name: Illis

Order: Coleoptera

Habitat: Grasslands

Scientific name: Illis laticollis

Illisia

Name: Illisia

Order: Diptera

Habitat: Wetlands

Scientific name: Illisia spp.

Illocharis

Name: Illocharis

Order: Coleoptera

Habitat: Forest

Scientific name: Illocharis

Illoma

Name: Illoma

Order: Coleoptera

Habitat: Forest

Scientific name: Illoma

Ilma

Name: Ilma

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Ilma flava

Ilocano

Name: Ilocano

Order: Orthoptera

Habitat: Tropical forests

Scientific name: Ilocano montanus

Iloma

Name: Iloma

Order: Coleoptera

Habitat: Forest

Scientific name: Iloma

Ilsaea

Name: Ilsaea

Order: Coleoptera

Habitat: Tropical forests

Scientific name: Ilsaea

Ilyella

Name: Ilyella

Order: Coleoptera

Habitat: Caves

Scientific name: Ilyella cavernicola

Imaizumia

Name: Imaizumia

Order: Lepidoptera

Habitat: Grassland

Scientific name: Imaizumia

Imalades

Name: Imalades

Order: Coleoptera

Habitat: Deserts

Scientific name: Imalades spp.

Imanthripa

Name: Imanthripa

Order: Lepidoptera

Habitat: Tropical forests

Scientific name: Imanthripa

Imatra

Name: Imatra

Order: Coleoptera

Habitat: Forests

Scientific name: Imatra reticulata

Imbrina

Name: Imbrina

Order: Lepidoptera

Habitat: Forests

Scientific name: Imbrina spp.

Imeria

Name: Imeria

Order: Hemiptera

Habitat: Grasslands

Scientific name: Imeria

Imhoffia

Name: Imhoffia

Order: Lepidoptera

Habitat: Forest

Scientific name: Imhoffia

Imhoffina

Name: Imhoffina

Order: Coleoptera

Habitat: Aquatic

Scientific name: Imhoffina

Imitator

Name: Imitator

Order: Orthoptera

Habitat: Tropical forests

Scientific name: Imitator

Imocharis

Name: Imocharis

Order: Coleoptera

Habitat: Forest

Scientific name: Imocharis

Imperiepes

Name: Imperiepes

Order: Orthoptera

Habitat: Grasslands

Scientific name: Imperiepes spp.

Imperilua

Name: Imperilua

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Imperilua flava

Inantis

Name: Inantis

Order: Odonata

Habitat: Wetlands

Scientific name: Inantis

Incabus

Name: Incabus

Order: Coleoptera

Habitat: Forest

Scientific name: Incabus

Incarum

Name: Incarum

Order: Coleoptera

Habitat: Caves

Scientific name: Incarum spp.

Incisitermes

Name: Incisitermes

Order: Isoptera

Habitat: Forest

Scientific name: Incisitermes

Incorodrilus

Name: Incorodrilus

Order: Coleoptera

Habitat: Aquatic

Scientific name: Incorodrilus

Indapama

Name: Indapama

Order: Lepidoptera

Habitat: Tropical forests

Scientific name: Indapama plumbea

Indigofera

Name: Indigofera

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Indigofera flava

Indinoma

Name: Indinoma

Order: Coleoptera

Habitat: Forest

Scientific name: Indinoma

Indosus

Name: Indosus

Order: Coleoptera

Habitat: Grassland

Scientific name: Indosus

Infantirhynchus

Name: Infantirhynchus

Order: Coleoptera

Habitat: Aquatic

Scientific name: Infantirhynchus

Infernarubicus

Name: Infernarubicus

Order: Coleoptera

Habitat: Arid

Scientific name: Infernarubicus

Inferniella

Name: Inferniella

Order: Lepidoptera

Habitat: Forest

Scientific name: Inferniella

Inflectocoris

Name: Inflectocoris

Order: Hemiptera

Habitat: Grassland

Scientific name: Inflectocoris

Infumata

Name: Infumata

Order: Orthoptera

Habitat: Grassland

Scientific name: Infumata

Inglisiana

Name: Inglisiana

Order: Orthoptera

Habitat: Grassland

Scientific name: Inglisiana

Ingricia

Name: Ingricia

Order: Lepidoptera

Habitat: Forest

Scientific name: Ingricia

Ingrisia

Name: Ingrisia

Order: Coleoptera

Habitat: Forest

Scientific name: Ingrisia

Inimica

Name: Inimica

Order: Coleoptera

Habitat: Aquatic

Scientific name: Inimica

Inopinatus

Name: Inopinatus

Order: Coleoptera

Habitat: Forest

Scientific name: Inopinatus

Inouyea

Name: Inouyea

Order: Coleoptera

Habitat: Arid

Scientific name: Inouyea

Inpensa

Name: Inpensa

Order: Lepidoptera

Habitat: Grassland

Scientific name: Inpensa

Inquilinus

Name: Inquilinus

Order: Coleoptera

Habitat: Caves

Scientific name: Inquilinus cavernicola

Insecta

Name: Insecta

Order: Insecta

Habitat: Various

Scientific name: Insecta

Institor

Name: Institor

Order: Coleoptera

Habitat: Forest

Scientific name: Institor

Interpositus

Name: Interpositus

Order: Coleoptera

Habitat: Forest

Scientific name: Interpositus

Intralobata

Name: Intralobata

Order: Orthoptera

Habitat: Grassland

Scientific name: Intralobata

Intratus

Name: Intratus

Order: Coleoptera

Habitat: Forest

Scientific name: Intratus

Intricata

Name: Intricata

Order: Orthoptera

Habitat: Grassland

Scientific name: Intricata

Intricus

Name: Intricus

Order: Coleoptera

Habitat: Forest

Scientific name: Intricus

Inurus

Name: Inurus

Order: Coleoptera

Habitat: Forest

Scientific name: Inurus

Iodes

Name: Iodes

Order: Coleoptera

Habitat: Aquatic

Scientific name: Iodes

Iogaster

Name: Iogaster

Order: Coleoptera

Habitat: Grasslands

Scientific name: Iogaster laticollis

Iphicrates

Name: Iphicrates

Order: Coleoptera

Habitat: Forests

Scientific name: Iphicrates reticulata

Iphinoe

Name: Iphinoe

Order: Lepidoptera

Habitat: Forest

Scientific name: Iphinoe

Ipochus

Name: Ipochus

Order: Coleoptera

Habitat: Caves

Scientific name: Ipochus cavernicola

Ipolus

Name: Ipolus

Order: Coleoptera

Habitat: Grasslands

Scientific name: Ipolus laticollis

Ipomoea

Name: Ipomoea

Order: Lepidoptera

Habitat: Grassland

Scientific name: Ipomoea

Ipothauma

Name: Ipothauma

Order: Lepidoptera

Habitat: Forest

Scientific name: Ipothauma

Ipovidua

Name: Ipovidua

Order: Lepidoptera

Habitat: Forest

Scientific name: Ipovidua

Iprimorpha

Name: Iprimorpha

Order: Lepidoptera

Habitat: Forests

Scientific name: Iprimorpha reticulata

Ips

Name: Ips

Order: Coleoptera

Habitat: Coniferous forests

Scientific name: Ips

Iramba

Name: Iramba

Order: Lepidoptera

Habitat: Grassland

Scientific name: Iramba

Irene

Name: Irene

Order: Odonata

Habitat: Wetlands

Scientific name: Irene foliacea

Iriania

Name: Iriania

Order: Lepidoptera

Habitat: Grassland

Scientific name: Iriania

Irianka

Name: Irianka

Order: Lepidoptera

Habitat: Grasslands

Scientific name: Irianka flava

Iricta

Name: Iricta

Order: Orthoptera

Habitat: Grassland

Scientific name: Iricta

Iridana

Name: Iridana

Order: Lepidoptera

Habitat: Forest

Scientific name: Iridana

Iridea

Name: Iridea

Order: Lepidoptera

Habitat: Forest

Scientific name: Iridea

Iridiscens

Name: Iridiscens

Order: Coleoptera

Habitat: Forest

Scientific name: Iridiscens

Iridomyrmex

Name: Iridomyrmex

Order: Hymenoptera

Habitat: Worldwide

Scientific name: Iridomyrmex

Iridotaenia

Name: Iridotaenia

Order: Coleoptera

Habitat: Forest

Scientific name: Iridotaenia

Irinae

Name: Irinae

Order: Coleoptera

Habitat: Forest

Scientific name: Irinae

Irinaea

Name: Irinaea

Order: Lepidoptera

Habitat: Forest

Scientific name: Irinaea

Iris oratoria

Name: Iris oratoria

Order: Mantodea

Habitat: Grassland

Scientific name: Iris oratoria

Iris splendens

Name: Iris splendens

Order: Odonata

Habitat: Wetlands

Scientific name: Iris splendens

Irisa

Name: Irisa

Order: Lepidoptera

Habitat: Forest

Scientific name: Irisa

Iritis

Name: Iritis

Order: Lepidoptera

Habitat: Forest

Scientific name: Iritis

Irulia

Name: Irulia

Order: Lepidoptera

Habitat: Forest

Scientific name: Irulia

Isacea

Name: Isacea

Order: Lepidoptera

Habitat: Forest

Scientific name: Isacea

Isanthrene

Name: Isanthrene

Order: Lepidoptera

Habitat: Tropical forests

Scientific name: Isanthrene plumbea

Ischnaphis

Name: Ischnaphis

Order: Hemiptera

Habitat: Forest

Scientific name: Ischnaphis

Ischnocerus

Name: Ischnocerus

Order: Coleoptera

Habitat: Forest

Scientific name: Ischnocerus

Ischnoptera

Name: Ischnoptera

Order: Blattodea

Habitat: Forest

Scientific name: Ischnoptera

Ischnoptila

Name: Ischnoptila

Order: Lepidoptera

Habitat: Forest

Scientific name: Ischnoptila

Ischnura

Name: Ischnura

Order: Odonata

Habitat: Freshwater

Scientific name: Ischnura

Iselma

Name: Iselma

Order: Coleoptera

Habitat: Arid

Scientific name: Iselma

Isidora

Name: Isidora

Order: Lepidoptera

Habitat: Forest

Scientific name: Isidora

Isocampta

Name: Isocampta

Order: Lepidoptera

Habitat: Forest

Scientific name: Isocampta

Isocera

Name: Isocera

Order: Diptera

Habitat: Forests

Scientific name: Isocera sororcula

Isocolpia

Name: Isocolpia

Order: Lepidoptera

Habitat: Forest

Scientific name: Isocolpia

Isolda

Name: Isolda

Order: Coleoptera

Habitat: Forest

Scientific name: Isolda

Isonychia

Name: Isonychia

Order: Ephemeroptera

Habitat: Streams and rivers

Scientific name: Isonychia

Isophya

Name: Isophya

Order: Orthoptera

Habitat: Grasslands

Scientific name: Isophya camptoxypha

Isotoma

Name: Isotoma

Order: Collembola

Habitat: Soil

Scientific name: Isotoma viridis

NameOrderHabitatScientific name
Iaspis flavescensHymenopteraForestsIaspis flavescens
Icaricia icarioidesLepidopteraGrasslandsIcaricia icarioides
Icarus BlueLepidopteraGrasslandsPolyommatus icarus
Icerya purchasiHemipteraPlantsIcerya purchasi
Ichneumon flyHymenopteraWorldwideIchneumonidae
Ichneumon nigricepsHymenopteraForestIchneumon nigriceps
Ichneutica cerauniasLepidopteraGrasslandsIchneutica ceraunias
IchnopteraOrthopteraGrasslandIchnoptera borealis
IchthyiurinaeColeopteraAquaticIchthyiurinae
IchthyodermaColeopteraAquaticIchthyoderma
Ichthyura inclusaLepidopteraDeciduous forestsIchthyura inclusa
IciusAraneaeUrbanIcius hamatus
IctericaDipteraForestsIcterica sororcula
Icterus BeetleColeopteraForestsIcterus icterus
IcthyurodesColeopteraAquaticIcthyurodes
Ictinia mississippiensisOdonataWetlandsIctinia mississippiensis
Idaea sericeataLepidopteraWoodlandIdaea sericeata
Idana marginataDipteraForestsIdana marginata
IdiastaHymenopteraForestsIdiasta
Idiasta scitulaHymenopteraGrasslandIdiasta scitula
IdiocerusHemipteraTreesIdiocerus
IdiochaetaDipteraWoodlandIdiochaeta fusca
IdiocnemusColeopteraForestsIdiocnemus spp.
IdiocottusColeopteraMarineIdiocottus borealis
IdiogenesColeopteraDesertIdiogenes honorei
IdioglochisColeopteraForestsIdioglochis
IdiogomphusOdonataStreams and riversIdiogomphus spp.
IdiophlebiaOdonataFreshwaterIdiophlebia
IdiopsAraneaeAridIdiops syriacus
IdiopsocusPsocopteraForestsIdiopsocus spp.
IdiosemusColeopteraDesertsIdiosemus spp.
IdiosepiusCephalopodaMarineIdiosepius
IdiostatusOrthopteraGrasslandsIdiostatus spp.
Idiostatus californicusOrthopteraAridIdiostatus californicus
IdiostolusColeopteraForestsIdiostolus
IdiotermesIsopteraTropicalIdiotermes banksi
IdiotrochusColeopteraForestsIdiotrochus
IdiotropusColeopteraForestsIdiotropus hirsutus
IdiozanclaLepidopteraGrasslandsIdiozancla
IdiozetesAcariSoilIdiozetes spp.
IdolomorphaMantodeaTropical forestsIdolomorpha gabonicola
Idolomorpha alataMantodeaTropicalIdolomorpha alata
IdolothripsThysanopteraWorldwideIdolothrips
IdoneumaColeopteraGrasslandsIdoneuma
IeanaLepidopteraWetlandsIeana spp.
Ieana marginataColeopteraTropicalIeana marginata
IethiraDipteraAquaticIethira
IgernaLepidopteraForestsIgerna
IgnaciaOrthopteraGrasslandsIgnacia spp.
IgnelaterColeopteraForestsIgnelater spp.
IgorodesColeopteraCavesIgorodes cavernicola
IheringiaColeopteraTropicalIheringia costulata
IhlaraColeopteraAridIhlara
IhleusColeopteraAridIhleus
IkanothripsThysanopteraTropical forestsIkanothrips breviceps
IkarosLepidopteraGrasslandIkaros
IkonnikoviaOrthopteraGrasslandIkonnikovia portschinskyi
IkrimaLepidopteraTropical forestsIkrima
IlemaLepidopteraForestsIlema spp.
IlemorphaColeopteraTropical forestsIlemorpha
IlhellaColeopteraCavesIlhella cavernicola
IliauColeopteraForestsIliau spp.
IlidomaDipteraWetlandsIlidoma spp.
IliodesColeopteraForestsIliodes spp.
IlisiaDipteraStreams and riversIlisia spp.
IliuLepidopteraTropical forestsIliu plumbea
IllaphanusColeopteraForestIllaphanus
IlliaLepidopteraGrasslandsIllia spp.
IllinoiaHemipteraDeciduous forestsIllinoia
Illinoia liriodendriHemipteraForestIllinoia liriodendri
IllisColeopteraGrasslandsIllis laticollis
IllisiaDipteraWetlandsIllisia spp.
IllocharisColeopteraForestIllocharis
IllomaColeopteraForestIlloma
IlmaLepidopteraGrasslandsIlma flava
IlocanoOrthopteraTropical forestsIlocano montanus
IlomaColeopteraForestIloma
IlsaeaColeopteraTropical forestsIlsaea
IlyellaColeopteraCavesIlyella cavernicola
ImaizumiaLepidopteraGrasslandImaizumia
ImaladesColeopteraDesertsImalades spp.
ImanthripaLepidopteraTropical forestsImanthripa
ImatraColeopteraForestsImatra reticulata
ImbrinaLepidopteraForestsImbrina spp.
ImeriaHemipteraGrasslandsImeria
ImhoffiaLepidopteraForestImhoffia
ImhoffinaColeopteraAquaticImhoffina
ImitatorOrthopteraTropical forestsImitator
ImocharisColeopteraForestImocharis
ImperiepesOrthopteraGrasslandsImperiepes spp.
ImperiluaLepidopteraGrasslandsImperilua flava
InantisOdonataWetlandsInantis
IncabusColeopteraForestIncabus
IncarumColeopteraCavesIncarum spp.
IncisitermesIsopteraForestIncisitermes
IncorodrilusColeopteraAquaticIncorodrilus
IndapamaLepidopteraTropical forestsIndapama plumbea
IndigoferaLepidopteraGrasslandsIndigofera flava
IndinomaColeopteraForestIndinoma
IndosusColeopteraGrasslandIndosus
InfantirhynchusColeopteraAquaticInfantirhynchus
InfernarubicusColeopteraAridInfernarubicus
InferniellaLepidopteraForestInferniella
InflectocorisHemipteraGrasslandInflectocoris
InfumataOrthopteraGrasslandInfumata
InglisianaOrthopteraGrasslandInglisiana
IngriciaLepidopteraForestIngricia
IngrisiaColeopteraForestIngrisia
InimicaColeopteraAquaticInimica
InopinatusColeopteraForestInopinatus
InouyeaColeopteraAridInouyea
InpensaLepidopteraGrasslandInpensa
InquilinusColeopteraCavesInquilinus cavernicola
InsectaInsectaVariousInsecta
InstitorColeopteraForestInstitor
InterpositusColeopteraForestInterpositus
IntralobataOrthopteraGrasslandIntralobata
IntratusColeopteraForestIntratus
IntricataOrthopteraGrasslandIntricata
IntricusColeopteraForestIntricus
InurusColeopteraForestInurus
IodesColeopteraAquaticIodes
IogasterColeopteraGrasslandsIogaster laticollis
IphicratesColeopteraForestsIphicrates reticulata
IphinoeLepidopteraForestIphinoe
IpochusColeopteraCavesIpochus cavernicola
IpolusColeopteraGrasslandsIpolus laticollis
IpomoeaLepidopteraGrasslandIpomoea
IpothaumaLepidopteraForestIpothauma
IpoviduaLepidopteraForestIpovidua
IprimorphaLepidopteraForestsIprimorpha reticulata
IpsColeopteraConiferous forestsIps
IrambaLepidopteraGrasslandIramba
IreneOdonataWetlandsIrene foliacea
IrianiaLepidopteraGrasslandIriania
IriankaLepidopteraGrasslandsIrianka flava
IrictaOrthopteraGrasslandIricta
IridanaLepidopteraForestIridana
IrideaLepidopteraForestIridea
IridiscensColeopteraForestIridiscens
IridomyrmexHymenopteraWorldwideIridomyrmex
IridotaeniaColeopteraForestIridotaenia
IrinaeColeopteraForestIrinae
IrinaeaLepidopteraForestIrinaea
Iris oratoriaMantodeaGrasslandIris oratoria
Iris splendensOdonataWetlandsIris splendens
IrisaLepidopteraForestIrisa
IritisLepidopteraForestIritis
IruliaLepidopteraForestIrulia
IsaceaLepidopteraForestIsacea
IsanthreneLepidopteraTropical forestsIsanthrene plumbea
IschnaphisHemipteraForestIschnaphis
IschnocerusColeopteraForestIschnocerus
IschnopteraBlattodeaForestIschnoptera
IschnoptilaLepidopteraForestIschnoptila
IschnuraOdonataFreshwaterIschnura
IselmaColeopteraAridIselma
IsidoraLepidopteraForestIsidora
IsocamptaLepidopteraForestIsocampta
IsoceraDipteraForestsIsocera sororcula
IsocolpiaLepidopteraForestIsocolpia
IsoldaColeopteraForestIsolda
IsonychiaEphemeropteraStreams and riversIsonychia
IsophyaOrthopteraGrasslandsIsophya camptoxypha
IsotomaCollembolaSoilIsotoma viridis

List of insects with other letters