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Insects and their Allies  
 

Invertebrates are a group of animals that have no backbone

Over 95% of all animals on the earth are invertebrates of one form or another

Invertebrates are found just about everywhere in both terrestrial and aquatic habitats

Over 80% of all invertebrates are grouped into the single phylum Arthropoda that includes spiders, crustaceans, centipedes, millipedes and insects

Insects are a group of invertebrates and are the largest Class of organisms in the world

Insects accounting for over 75% of all animal species

 

Insects and their allies
Beetles &
Weevils
Butterflies &
Moths
Ants, Bees
& Wasps
Flies &
mosquitoes
Cockroaches Praying
mantids
Termites Earwigs
Bugs, Aphids
& Hoppers
Grasshoppers,
Crickets &
Katydids
Dragonflies &
damselflies
Stoneflies Dobsonflies
& alderflies
Stick insects Booklice Thrips
Mayflies
Caddis flies Web spinners Stylopids Scorpionflies Lacewings &
antlions
Bristletails Silverfish
Fleas
Lice Snails &
slugs
Worms Centipedes Millipedes Slaters Spiders
Harvestmen
Scorpions Mites & Ticks False
Scorpions
Springtails Diplurans
Proturans