There are 150 insects that start with the letter C, from Cabbage Aphid to Cypress Weevil. 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: Cabbage Aphid
Order: Hemiptera
Habitat: On cabbage plants
Scientific name: Brevicoryne brassicae
Name: Cabruca Swallowtail
Order: Lepidoptera
Habitat: Tropical forests
Scientific name: Pap
Name: Cacao Stem Borer
Order: Coleoptera
Habitat: Cacao plantations
Scientific name: Eulophonotus myrmeleon
Name: Cactus Bee
Order: Hymenoptera
Habitat: Deserts and arid regions
Scientific name: Diadasia rinconis
Name: Caddis Fly Larva
Order: Trichoptera
Habitat: Aquatic
Scientific name: Various
Name: Caddis Moth
Order: Trichoptera
Habitat: Lakes, ponds, streams
Scientific name: Trichoptera
Name: Caddisfly
Order: Trichoptera
Habitat: Near water
Scientific name: Trichoptera
Name: Calosoma Beetle
Order: Coleoptera
Habitat: Woodlands and gardens
Scientific name: Calosoma spp.
Name: Cambrian Explosion Insect
Order: Cambrian
Habitat: Marine
Scientific name: Anomalocaris
Name: Camel Cricket
Order: Orthoptera
Habitat: Caves, cellars
Scientific name: Rhaphidophoridae
Name: Canary-faced Grasshopper
Order: Orthoptera
Habitat: Grasslands
Scientific name: Achurum carinatum
Name: Candle Fly
Order: Diptera
Habitat: Tropical forests
Scientific name: Phengodidae
Name: Cane Beetle
Order: Coleoptera
Habitat: Sugarcane fields
Scientific name: Tomarus spp.
Name: Cane Cockroach
Order: Blattodea
Habitat: Tropical Forests
Scientific name: Panchlora spp.
Name: Canker Worm
Order: Lepidoptera
Habitat: Deciduous trees
Scientific name: Geometridae
Name: Canopy Ant
Order: Hymenoptera
Habitat: Rainforest Canopy
Scientific name: Cephalotes atratus
Name: Cantharis Beetle
Order: Coleoptera
Habitat: Forests and grasslands
Scientific name: Cantharis
Name: Caprellid Amphipod
Order: Amphipoda
Habitat: Coastal waters
Scientific name: Caprella spp.
Name: Carabid Beetle
Order: Coleoptera
Habitat: Forests and Grasslands
Scientific name: Carabus spp.
Name: Carabid Ground Beetle
Order: Coleoptera
Habitat: Terrestrial
Scientific name: Carabus spp.
Name: Carnation Sawfly
Order: Hymenoptera
Habitat: Gardens and Agricultural Areas
Scientific name: Ametastegia spp.
Name: Carpenter Ant
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Camponotus
Name: Carpenter Bee
Order: Hymenoptera
Habitat: Diverse habitats
Scientific name: Xylocopa spp.
Name: Carpenter Moth
Order: Lepidoptera
Habitat: Woodlands
Scientific name: Cossidae
Name: Carpet Beetle
Order: Coleoptera
Habitat: Fabric, carpets
Scientific name: Anthrenus
Name: Carpet Moth
Order: Lepidoptera
Habitat: Indoors
Scientific name: Tineidae
Name: Carpet Moth Larva
Order: Lepidoptera
Habitat: Carpets and fabrics
Scientific name: Tineola bisselliella
Name: Carrion Beetle
Order: Coleoptera
Habitat: Decaying matter
Scientific name: Silphidae
Name: Carrion Crawler
Order: Opiliones
Habitat: Rotting organic matter
Scientific name: Cryptobothus gibbosus
Name: Carrion Crawler Beetle
Order: Coleoptera
Habitat: Carrion
Scientific name: Silphidae
Name: Carrion Flower Beetle
Order: Coleoptera
Habitat: Carrion
Scientific name: Necrodes surinamensis
Name: Carrot Fly
Order: Diptera
Habitat: Carrot fields
Scientific name: Psila rosae
Name: Casebearer Moth
Order: Lepidoptera
Habitat: Forests and Shrublands
Scientific name: Coleophora spp.
Name: Cassandra Moth
Order: Lepidoptera
Habitat: Pine forests
Scientific name: Dasychira spp.
Name: Cassidine Beetle
Order: Coleoptera
Habitat: Tropical Forests
Scientific name: Cassidinae spp.
Name: Cataract Caddisfly
Order: Trichoptera
Habitat: Freshwater Streams
Scientific name: Agapetus
Name: Caterpillar
Order: Lepidoptera
Habitat: Plants, trees
Scientific name: Lepidoptera
Name: Caterpillar Fungus
Order: Fungi
Habitat: Grasslands
Scientific name: Ophiocordyceps sinensis
Name: Cecropia Moth
Order: Lepidoptera
Habitat: Temperate Forests
Scientific name: Hyalophora cecropia
Name: Celeriac Leaf Miner
Order: Diptera
Habitat: Terrestrial
Scientific name: Chromatomyia horticola
Name: Celery Aphid
Order: Hemiptera
Habitat: On celery plants
Scientific name: Kavariella aegopodii
Name: Celery Fly
Order: Diptera
Habitat: Celery crops
Scientific name: Philophylla heraclei
Name: Celery Looper
Order: Lepidoptera
Habitat: Celery fields
Scientific name: Anagrapha falcifera
Name: Celithemis Dragonfly
Order: Odonata
Habitat: Ponds and Marshes
Scientific name: Celithemis spp.
Name: Cellar Spider
Order: Araneae
Habitat: Caves/Cellars
Scientific name: Metellina segmentata
Name: Centipede
Order: Chilopoda
Habitat: Damp places
Scientific name: Chilopoda
Name: Centipede Millipede
Order: Chilopoda
Habitat: Diverse habitats
Scientific name: Scolopocryptops sexspinosus
Name: Centipede Scorpion
Order: Uropygi
Habitat: Caves
Scientific name: Thelyphonida
Name: Cephalodromia Wasp
Order: Hymenoptera
Habitat: Deserts and Arid Regions
Scientific name: Cephalodromia spp.
Name: Cerambycid Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Cerambycidae
Name: Cercopid Planthopper
Order: Hemiptera
Habitat: Forests and grasslands
Scientific name: Cercopidae
Name: Cereal Leaf Beetle
Order: Coleoptera
Habitat: Cereal crops
Scientific name: Oulema melanopus
Name: Chafer Beetle
Order: Coleoptera
Habitat: Lawns and grasslands
Scientific name: Scarabaeidae
Name: Chagas Disease Assassin Bug
Order: Hemiptera
Habitat: Terrestrial
Scientific name: Triatoma spp.
Name: Chagas Disease Kissing Bug
Order: Hemiptera
Habitat: Tropical Americas
Scientific name: Triatoma infestans
Name: Chain Scara
Order: Coleoptera
Habitat: Forests
Scientific name: Chaetoderma spp.
Name: Chalcid Wasp
Order: Hymenoptera
Habitat: Parasitic on other insects
Scientific name: Chalcididae
Name: Chalcid Wasp Larva
Order: Hymenoptera
Habitat: Insects and eggs
Scientific name: Chalcididae
Name: Chalkhill Blue Butterfly
Order: Lepidoptera
Habitat: Chalk grasslands
Scientific name: Polyommatus coridon
Name: Chalybion Wasp
Order: Hymenoptera
Habitat: Urban/Suburban
Scientific name: Chalybion californicum
Name: Chambered Nautilus
Order: Cephalopoda
Habitat: Marine
Scientific name: Nautilus pompilius
Name: Chamise Leafhopper
Order: Hemiptera
Habitat: Chaparral
Scientific name: Graphocephala triangularis
Name: Changa Mole Cricket
Order: Orthoptera
Habitat: Lawns and gardens
Scientific name: Scapteriscus
Name: Channeled Apple Snail
Order: Gastropoda
Habitat: Wetlands
Scientific name: Pomacea canaliculata
Name: Chapulin
Order: Orthoptera
Habitat: Grasslands, fields
Scientific name: Sphenarium
Name: Checkered Beetle
Order: Coleoptera
Habitat: Woodlands
Scientific name: Cleridae
Name: Cheesemite
Order: Acari
Habitat: Cheese
Scientific name: Tyrophagus spp.
Name: Cheeslog
Order: Coleoptera
Habitat: Decomposing organic matter
Scientific name: Tyrophagus putrescentiae
Name: Chelura
Order: Amphipoda
Habitat: Marine environments
Scientific name: Chelura terebrans
Name: Chequered Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Trichodes apiarius
Name: Cherry Aphid
Order: Hemiptera
Habitat: On cherry trees
Scientific name: Myzus cerasi
Name: Chestnut Weevil
Order: Coleoptera
Habitat: Chestnut trees
Scientific name: Curculio spp.
Name: Chiggoe Flea
Order: Siphonaptera
Habitat: Tropical Americas
Scientific name: Tunga penetrans
Name: Chigoe Flea
Order: Siphonaptera
Habitat: Tropical Americas
Scientific name: Tunga penetrans
Name: Chinch Bug
Order: Hemiptera
Habitat: Lawns and crops
Scientific name: Blissus leucopterus
Name: Chinese Carnation Moth
Order: Lepidoptera
Habitat: Urban/Suburban
Scientific name: Diaphania indica
Name: Chinese Mantis
Order: Mantodea
Habitat: Gardens and urban areas
Scientific name: Tenodera sinensis
Name: Chithona Moth
Order: Lepidoptera
Habitat: Oak forests
Scientific name: Chithonix spp.
Name: Chlaenius Beetle
Order: Coleoptera
Habitat: Woodlands
Scientific name: Chlaenius spp.
Name: Chocolate Dung Beetle
Order: Coleoptera
Habitat: Dung
Scientific name: Aphodius fossor
Name: Chocolate Moth
Order: Lepidoptera
Habitat: Stored chocolate
Scientific name: Ephestia elutella
Name: Chokecherry Sawfly
Order: Hymenoptera
Habitat: Chokecherry trees
Scientific name: Cimbex americana
Name: Chouioia Wasp
Order: Hymenoptera
Habitat: Parasitic on other insects
Scientific name: Chouioia cunea
Name: Chrysomelid Beetle
Order: Coleoptera
Habitat: Diverse habitats
Scientific name: Chrysomelidae
Name: Chrysopa Lacewing
Order: Neuroptera
Habitat: Terrestrial
Scientific name: Chrysopa spp.
Name: Chrysopid Lacewing
Order: Neuroptera
Habitat: Worldwide
Scientific name: Chrysopa
Name: Chrysops Deer Fly
Order: Diptera
Habitat: Woodlands
Scientific name: Chrysops
Name: Cicada
Order: Hemiptera
Habitat: Trees, shrubs
Scientific name: Cicadidae
Name: Cicada Killer Wasp
Order: Hymenoptera
Habitat: Gardens and lawns
Scientific name: Sphecius
Name: Cicindelid Tiger Beetle
Order: Coleoptera
Habitat: Worldwide
Scientific name: Cicindelidae
Name: Cimbex Sawfly
Order: Hymenoptera
Habitat: Terrestrial
Scientific name: Cimbex spp.
Name: Cimex Beetle
Order: Coleoptera
Habitat: Stored grain
Scientific name: Cimex spp.
Name: Cinereous Cockroach
Order: Blattodea
Habitat: Tropical forests
Scientific name: Nauphoeta cinerea
Name: Cinnabar Moth
Order: Lepidoptera
Habitat: Terrestrial
Scientific name: Tyria jacobaeae
Name: Citrus Blackfly
Order: Hemiptera
Habitat: Citrus trees
Scientific name: Aleurocanthus woglumi
Name: Citrus Root Weevil
Order: Coleoptera
Habitat: Citrus Orchards
Scientific name: Diaprepes abbreviatus
Name: Cixiid Planthopper
Order: Hemiptera
Habitat: Grasslands
Scientific name: Cixiidae
Name: Claw Aphid
Order: Hemiptera
Habitat: On plant roots
Scientific name: Rhizaphis spp.
Name: Clearwing Moth
Order: Lepidoptera
Habitat: Forests and gardens
Scientific name: Sesiidae
Name: Click Beetle
Order: Coleoptera
Habitat: Decaying wood
Scientific name: Elateridae
Name: Clivellia Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Clivellia
Name: Clouded Ant
Order: Hymenoptera
Habitat: Forests
Scientific name: Camponotus herculeanus
Name: Clouded Crane Fly
Order: Diptera
Habitat: Wetlands
Scientific name: Tipulidae
Name: Clouded Fungus Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Gyrophaena
Name: Clouded Skipper
Order: Lepidoptera
Habitat: Grasslands
Scientific name: Lerema accius
Name: Cloudywing
Order: Lepidoptera
Habitat: Flowers, forests
Scientific name: Thorybes
Name: Clover Aphid
Order: Hemiptera
Habitat: Clover Fields
Scientific name: Therioaphis trifolii
Name: Clover Mite
Order: Trombidiformes
Habitat: Terrestrial
Scientific name: Bryobia praetiosa
Name: Club-Tailed Whip Scorpion
Order: Thelyphonida
Habitat: Caves
Scientific name: Typopeltis
Name: Cochineal Bug
Order: Hemiptera
Habitat: Terrestrial
Scientific name: Dactylopius coccus
Name: Cock-tailed Wasp
Order: Hymenoptera
Habitat: Terrestrial
Scientific name: Chalybion californicum
Name: Cockchafer
Order: Coleoptera
Habitat: Grasslands
Scientific name: Melolontha
Name: Cockroach
Order: Blattodea
Habitat: Diverse
Scientific name: Blattodea
Name: Cockroach Cricket
Order: Orthoptera
Habitat: Caves
Scientific name: Arenivaga
Name: Cockroach Wasp
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Ampulex
Name: Cocoa Pod Borer
Order: Lepidoptera
Habitat: Cocoa Plantations
Scientific name: Conopomorpha cramerella
Name: Cocoon Moth
Order: Lepidoptera
Habitat: Forests
Scientific name: Cossidae
Name: Coffeebush Aphid
Order: Hemiptera
Habitat: Coffee Plantations
Scientific name: Tasiphantes coffeae
Name: Colorado Potato Beetle
Order: Coleoptera
Habitat: Potato Fields
Scientific name: Leptinotarsa decemlineata
Name: Columbian Bark Scorpion
Order: Scorpiones
Habitat: South America
Scientific name: Centruroides margaritatus
Name: Comstock Mealybug
Order: Hemiptera
Habitat: Terrestrial
Scientific name: Pseudococcus comstocki
Name: Coneheaded Katydid
Order: Orthoptera
Habitat: Terrestrial
Scientific name: Neoconocephalus spp.
Name: Conifer Seed Bug
Order: Hemiptera
Habitat: Terrestrial
Scientific name: Leptoglossus spp.
Name: Conversation Fly
Order: Diptera
Habitat: Worldwide
Scientific name: Lauxaniidae
Name: Copepod
Order: Copepoda
Habitat: Aquatic
Scientific name: Copepoda
Name: Copper Underwing Moth
Order: Lepidoptera
Habitat: Terrestrial
Scientific name: Amphipyra pyramidea
Name: Corn Earworm Moth
Order: Lepidoptera
Habitat: Terrestrial
Scientific name: Helicoverpa zea
Name: Corn Wireworm
Order: Coleoptera
Habitat: Cornfields
Scientific name: Agriotes lineatus
Name: Cotton Aphid
Order: Hemiptera
Habitat: Cotton Fields
Scientific name: Aphis gossypii
Name: Cotton Bollworm
Order: Lepidoptera
Habitat: Cotton Fields
Scientific name: Helicoverpa armigera
Name: Cotton Bug
Order: Hemiptera
Habitat: Cotton Fields
Scientific name: Oxycarenus lavaterae
Name: Cotton Fleahopper
Order: Hemiptera
Habitat: Terrestrial
Scientific name: Pseudatomoscelis seriatus
Name: Cotton Stainer
Order: Hemiptera
Habitat: Cotton Fields
Scientific name: Dysdercus
Name: Crane Fly
Order: Diptera
Habitat: Terrestrial
Scientific name: Tipulidae
Name: Crane Fly Larva
Order: Diptera
Habitat: Terrestrial
Scientific name: Tipula paludosa
Name: Cranefly
Order: Diptera
Habitat: Worldwide
Scientific name: Tipulidae
Name: Cranefly Orchid Midge
Order: Diptera
Habitat: Terrestrial
Scientific name: Tinearia alternata
Name: Crayfish
Order: Decapoda
Habitat: Aquatic
Scientific name: Astacidae
Name: Crazy Ant
Order: Hymenoptera
Habitat: Worldwide
Scientific name: Nylanderia fulva
Name: Creeping Water Bug
Order: Hemiptera
Habitat: Freshwater
Scientific name: Naucoridae
Name: Crested Ant
Order: Hymenoptera
Habitat: Terrestrial
Scientific name: Crematogaster spp.
Name: Crickets
Order: Orthoptera
Habitat: Terrestrial
Scientific name: Gryllidae
Name: Criket Katydid
Order: Orthoptera
Habitat: Forests
Scientific name: Anisoptera
Name: Crippled Beetle
Order: Coleoptera
Habitat: Forests
Scientific name: Cerambycidae
Name: Cryptic Grasshopper
Order: Orthoptera
Habitat: Grasslands
Scientific name: Schistocerca alutacea
Name: Cucumber Beetle
Order: Coleoptera
Habitat: Cucurbit Crops
Scientific name: Acalymma vittatum
Name: Cudweed Aphid
Order: Hemiptera
Habitat: Grasslands
Scientific name: Uroleucon cirsii
Name: Curculionid Weevil
Order: Coleoptera
Habitat: Worldwide
Scientific name: Curculionidae
Name: Cutworm Moth
Order: Lepidoptera
Habitat: Worldwide
Scientific name: Agrotis
Name: Cypress Weevil
Order: Coleoptera
Habitat: Cypress Forests
Scientific name: Paracloeobius
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Cabbage Aphid | Hemiptera | On cabbage plants | Brevicoryne brassicae |
| Cabruca Swallowtail | Lepidoptera | Tropical forests | Pap |
| Cacao Stem Borer | Coleoptera | Cacao plantations | Eulophonotus myrmeleon |
| Cactus Bee | Hymenoptera | Deserts and arid regions | Diadasia rinconis |
| Caddis Fly Larva | Trichoptera | Aquatic | Various |
| Caddis Moth | Trichoptera | Lakes, ponds, streams | Trichoptera |
| Caddisfly | Trichoptera | Near water | Trichoptera |
| Calosoma Beetle | Coleoptera | Woodlands and gardens | Calosoma spp. |
| Cambrian Explosion Insect | Cambrian | Marine | Anomalocaris |
| Camel Cricket | Orthoptera | Caves, cellars | Rhaphidophoridae |
| Canary-faced Grasshopper | Orthoptera | Grasslands | Achurum carinatum |
| Candle Fly | Diptera | Tropical forests | Phengodidae |
| Cane Beetle | Coleoptera | Sugarcane fields | Tomarus spp. |
| Cane Cockroach | Blattodea | Tropical Forests | Panchlora spp. |
| Canker Worm | Lepidoptera | Deciduous trees | Geometridae |
| Canopy Ant | Hymenoptera | Rainforest Canopy | Cephalotes atratus |
| Cantharis Beetle | Coleoptera | Forests and grasslands | Cantharis |
| Caprellid Amphipod | Amphipoda | Coastal waters | Caprella spp. |
| Carabid Beetle | Coleoptera | Forests and Grasslands | Carabus spp. |
| Carabid Ground Beetle | Coleoptera | Terrestrial | Carabus spp. |
| Carnation Sawfly | Hymenoptera | Gardens and Agricultural Areas | Ametastegia spp. |
| Carpenter Ant | Hymenoptera | Worldwide | Camponotus |
| Carpenter Bee | Hymenoptera | Diverse habitats | Xylocopa spp. |
| Carpenter Moth | Lepidoptera | Woodlands | Cossidae |
| Carpet Beetle | Coleoptera | Fabric, carpets | Anthrenus |
| Carpet Moth | Lepidoptera | Indoors | Tineidae |
| Carpet Moth Larva | Lepidoptera | Carpets and fabrics | Tineola bisselliella |
| Carrion Beetle | Coleoptera | Decaying matter | Silphidae |
| Carrion Crawler | Opiliones | Rotting organic matter | Cryptobothus gibbosus |
| Carrion Crawler Beetle | Coleoptera | Carrion | Silphidae |
| Carrion Flower Beetle | Coleoptera | Carrion | Necrodes surinamensis |
| Carrot Fly | Diptera | Carrot fields | Psila rosae |
| Casebearer Moth | Lepidoptera | Forests and Shrublands | Coleophora spp. |
| Cassandra Moth | Lepidoptera | Pine forests | Dasychira spp. |
| Cassidine Beetle | Coleoptera | Tropical Forests | Cassidinae spp. |
| Cataract Caddisfly | Trichoptera | Freshwater Streams | Agapetus |
| Caterpillar | Lepidoptera | Plants, trees | Lepidoptera |
| Caterpillar Fungus | Fungi | Grasslands | Ophiocordyceps sinensis |
| Cecropia Moth | Lepidoptera | Temperate Forests | Hyalophora cecropia |
| Celeriac Leaf Miner | Diptera | Terrestrial | Chromatomyia horticola |
| Celery Aphid | Hemiptera | On celery plants | Kavariella aegopodii |
| Celery Fly | Diptera | Celery crops | Philophylla heraclei |
| Celery Looper | Lepidoptera | Celery fields | Anagrapha falcifera |
| Celithemis Dragonfly | Odonata | Ponds and Marshes | Celithemis spp. |
| Cellar Spider | Araneae | Caves/Cellars | Metellina segmentata |
| Centipede | Chilopoda | Damp places | Chilopoda |
| Centipede Millipede | Chilopoda | Diverse habitats | Scolopocryptops sexspinosus |
| Centipede Scorpion | Uropygi | Caves | Thelyphonida |
| Cephalodromia Wasp | Hymenoptera | Deserts and Arid Regions | Cephalodromia spp. |
| Cerambycid Beetle | Coleoptera | Forests | Cerambycidae |
| Cercopid Planthopper | Hemiptera | Forests and grasslands | Cercopidae |
| Cereal Leaf Beetle | Coleoptera | Cereal crops | Oulema melanopus |
| Chafer Beetle | Coleoptera | Lawns and grasslands | Scarabaeidae |
| Chagas Disease Assassin Bug | Hemiptera | Terrestrial | Triatoma spp. |
| Chagas Disease Kissing Bug | Hemiptera | Tropical Americas | Triatoma infestans |
| Chain Scara | Coleoptera | Forests | Chaetoderma spp. |
| Chalcid Wasp | Hymenoptera | Parasitic on other insects | Chalcididae |
| Chalcid Wasp Larva | Hymenoptera | Insects and eggs | Chalcididae |
| Chalkhill Blue Butterfly | Lepidoptera | Chalk grasslands | Polyommatus coridon |
| Chalybion Wasp | Hymenoptera | Urban/Suburban | Chalybion californicum |
| Chambered Nautilus | Cephalopoda | Marine | Nautilus pompilius |
| Chamise Leafhopper | Hemiptera | Chaparral | Graphocephala triangularis |
| Changa Mole Cricket | Orthoptera | Lawns and gardens | Scapteriscus |
| Channeled Apple Snail | Gastropoda | Wetlands | Pomacea canaliculata |
| Chapulin | Orthoptera | Grasslands, fields | Sphenarium |
| Checkered Beetle | Coleoptera | Woodlands | Cleridae |
| Cheesemite | Acari | Cheese | Tyrophagus spp. |
| Cheeslog | Coleoptera | Decomposing organic matter | Tyrophagus putrescentiae |
| Chelura | Amphipoda | Marine environments | Chelura terebrans |
| Chequered Beetle | Coleoptera | Forests | Trichodes apiarius |
| Cherry Aphid | Hemiptera | On cherry trees | Myzus cerasi |
| Chestnut Weevil | Coleoptera | Chestnut trees | Curculio spp. |
| Chiggoe Flea | Siphonaptera | Tropical Americas | Tunga penetrans |
| Chigoe Flea | Siphonaptera | Tropical Americas | Tunga penetrans |
| Chinch Bug | Hemiptera | Lawns and crops | Blissus leucopterus |
| Chinese Carnation Moth | Lepidoptera | Urban/Suburban | Diaphania indica |
| Chinese Mantis | Mantodea | Gardens and urban areas | Tenodera sinensis |
| Chithona Moth | Lepidoptera | Oak forests | Chithonix spp. |
| Chlaenius Beetle | Coleoptera | Woodlands | Chlaenius spp. |
| Chocolate Dung Beetle | Coleoptera | Dung | Aphodius fossor |
| Chocolate Moth | Lepidoptera | Stored chocolate | Ephestia elutella |
| Chokecherry Sawfly | Hymenoptera | Chokecherry trees | Cimbex americana |
| Chouioia Wasp | Hymenoptera | Parasitic on other insects | Chouioia cunea |
| Chrysomelid Beetle | Coleoptera | Diverse habitats | Chrysomelidae |
| Chrysopa Lacewing | Neuroptera | Terrestrial | Chrysopa spp. |
| Chrysopid Lacewing | Neuroptera | Worldwide | Chrysopa |
| Chrysops Deer Fly | Diptera | Woodlands | Chrysops |
| Cicada | Hemiptera | Trees, shrubs | Cicadidae |
| Cicada Killer Wasp | Hymenoptera | Gardens and lawns | Sphecius |
| Cicindelid Tiger Beetle | Coleoptera | Worldwide | Cicindelidae |
| Cimbex Sawfly | Hymenoptera | Terrestrial | Cimbex spp. |
| Cimex Beetle | Coleoptera | Stored grain | Cimex spp. |
| Cinereous Cockroach | Blattodea | Tropical forests | Nauphoeta cinerea |
| Cinnabar Moth | Lepidoptera | Terrestrial | Tyria jacobaeae |
| Citrus Blackfly | Hemiptera | Citrus trees | Aleurocanthus woglumi |
| Citrus Root Weevil | Coleoptera | Citrus Orchards | Diaprepes abbreviatus |
| Cixiid Planthopper | Hemiptera | Grasslands | Cixiidae |
| Claw Aphid | Hemiptera | On plant roots | Rhizaphis spp. |
| Clearwing Moth | Lepidoptera | Forests and gardens | Sesiidae |
| Click Beetle | Coleoptera | Decaying wood | Elateridae |
| Clivellia Beetle | Coleoptera | Forests | Clivellia |
| Clouded Ant | Hymenoptera | Forests | Camponotus herculeanus |
| Clouded Crane Fly | Diptera | Wetlands | Tipulidae |
| Clouded Fungus Beetle | Coleoptera | Forests | Gyrophaena |
| Clouded Skipper | Lepidoptera | Grasslands | Lerema accius |
| Cloudywing | Lepidoptera | Flowers, forests | Thorybes |
| Clover Aphid | Hemiptera | Clover Fields | Therioaphis trifolii |
| Clover Mite | Trombidiformes | Terrestrial | Bryobia praetiosa |
| Club-Tailed Whip Scorpion | Thelyphonida | Caves | Typopeltis |
| Cochineal Bug | Hemiptera | Terrestrial | Dactylopius coccus |
| Cock-tailed Wasp | Hymenoptera | Terrestrial | Chalybion californicum |
| Cockchafer | Coleoptera | Grasslands | Melolontha |
| Cockroach | Blattodea | Diverse | Blattodea |
| Cockroach Cricket | Orthoptera | Caves | Arenivaga |
| Cockroach Wasp | Hymenoptera | Worldwide | Ampulex |
| Cocoa Pod Borer | Lepidoptera | Cocoa Plantations | Conopomorpha cramerella |
| Cocoon Moth | Lepidoptera | Forests | Cossidae |
| Coffeebush Aphid | Hemiptera | Coffee Plantations | Tasiphantes coffeae |
| Colorado Potato Beetle | Coleoptera | Potato Fields | Leptinotarsa decemlineata |
| Columbian Bark Scorpion | Scorpiones | South America | Centruroides margaritatus |
| Comstock Mealybug | Hemiptera | Terrestrial | Pseudococcus comstocki |
| Coneheaded Katydid | Orthoptera | Terrestrial | Neoconocephalus spp. |
| Conifer Seed Bug | Hemiptera | Terrestrial | Leptoglossus spp. |
| Conversation Fly | Diptera | Worldwide | Lauxaniidae |
| Copepod | Copepoda | Aquatic | Copepoda |
| Copper Underwing Moth | Lepidoptera | Terrestrial | Amphipyra pyramidea |
| Corn Earworm Moth | Lepidoptera | Terrestrial | Helicoverpa zea |
| Corn Wireworm | Coleoptera | Cornfields | Agriotes lineatus |
| Cotton Aphid | Hemiptera | Cotton Fields | Aphis gossypii |
| Cotton Bollworm | Lepidoptera | Cotton Fields | Helicoverpa armigera |
| Cotton Bug | Hemiptera | Cotton Fields | Oxycarenus lavaterae |
| Cotton Fleahopper | Hemiptera | Terrestrial | Pseudatomoscelis seriatus |
| Cotton Stainer | Hemiptera | Cotton Fields | Dysdercus |
| Crane Fly | Diptera | Terrestrial | Tipulidae |
| Crane Fly Larva | Diptera | Terrestrial | Tipula paludosa |
| Cranefly | Diptera | Worldwide | Tipulidae |
| Cranefly Orchid Midge | Diptera | Terrestrial | Tinearia alternata |
| Crayfish | Decapoda | Aquatic | Astacidae |
| Crazy Ant | Hymenoptera | Worldwide | Nylanderia fulva |
| Creeping Water Bug | Hemiptera | Freshwater | Naucoridae |
| Crested Ant | Hymenoptera | Terrestrial | Crematogaster spp. |
| Crickets | Orthoptera | Terrestrial | Gryllidae |
| Criket Katydid | Orthoptera | Forests | Anisoptera |
| Crippled Beetle | Coleoptera | Forests | Cerambycidae |
| Cryptic Grasshopper | Orthoptera | Grasslands | Schistocerca alutacea |
| Cucumber Beetle | Coleoptera | Cucurbit Crops | Acalymma vittatum |
| Cudweed Aphid | Hemiptera | Grasslands | Uroleucon cirsii |
| Curculionid Weevil | Coleoptera | Worldwide | Curculionidae |
| Cutworm Moth | Lepidoptera | Worldwide | Agrotis |
| Cypress Weevil | Coleoptera | Cypress Forests | Paracloeobius |