Learning the names of insects in English can help you talk more confidently about nature, daily life, and the environment. Insects are everywhere around us—from gardens and parks to our homes—so knowing their names is especially useful for everyday conversations and English learning.
In this guide, you’ll explore a clear and accurate list of common insect names, along with simple definitions and example sentences to help you understand how each word is used in context.
What Are Insects?
Related links: Invertebrate Animals | Types of Spiders
Insects are invertebrate animals that belong to a group called arthropods. All insects share three key features:
- Six legs.
- Three body parts (head, thorax, abdomen).
- An exoskeleton.
Common groups of insects include beetles, butterflies and moths, bees and wasps, flies, and grasshoppers.
Animals such as spiders, worms, and centipedes are not insects and are not included in this list.
List of Insects
| Vocabulary | IPA (US) | Short Description |
|---|---|---|
| Ant | /ænt/ | A small social insect that lives in colonies and works together to gather food. |
| Aphid | /ˈeɪfɪd/ | A tiny plant-feeding insect that sucks sap from leaves and stems. |
| Bee | /biː/ | A flying insect known for pollinating flowers and producing honey. |
| Beetle | /ˈbiːtəl/ | An insect with a hard outer shell and protective wing covers. |
| Butterfly | /ˈbʌtərflaɪ/ | A colorful winged insect that undergoes complete metamorphosis. |
| Cicada | /sɪˈkeɪdə/ | A large insect famous for its loud buzzing sound during warm seasons. |
| Cockroach | /ˈkɑːkroʊtʃ/ | A flat-bodied insect with long antennae commonly found in buildings. |
| Cricket | /ˈkrɪkɪt/ | An insect known for chirping sounds made by rubbing its wings. |
| Damselfly | /ˈdæmzəlˌflaɪ/ | A slender flying insect similar to a dragonfly but usually smaller. |
| Dragonfly | /ˈdræɡənˌflaɪ/ | A fast-flying insect with a long body and large transparent wings. |
| Earwig | /ˈɪrˌwɪɡ/ | A small insect with pincers at the end of its abdomen. |
| Firefly | /ˈfaɪərˌflaɪ/ | A beetle that produces light from its abdomen, also called a lightning bug. |
| Flea | /fliː/ | A tiny wingless insect that feeds on the blood of animals. |
| Fly | /flaɪ/ | A common insect with two wings and large compound eyes. |
| Grasshopper | /ˈɡræsˌhɑːpər/ | An insect with strong hind legs used for jumping. |
| Hornet | /ˈhɔːrnɪt/ | A large type of wasp known for its strong sting. |
| Katydid | /ˈkeɪtɪˌdɪd/ | A green insect related to crickets and grasshoppers. |
| Ladybird (UK) / Ladybug (US) | /ˈleɪdibɜːrd/ or /ˈleɪdibʌɡ/ | A small spotted beetle that feeds on pests like aphids. |
| Leafhopper | /ˈliːfˌhɑːpər/ | A tiny insect that jumps and feeds on plant sap. |
| Locust | /ˈloʊkəst/ | A type of grasshopper that can form large swarms due to behavioral changes. |
| Louse | /laʊs/ | A tiny parasitic insect that lives on mammals or birds. |
| Mantis | /ˈmæntɪs/ | A predatory insect with folded front legs used to catch prey. |
| Midge | /mɪdʒ/ | A very small flying insect similar to a mosquito. |
| Mosquito | /məˈskiːtoʊ/ | A small flying insect that feeds on blood and may spread diseases. |
| Moth | /mɔːθ/ | A winged insect related to butterflies, often active at night. |
| Termite | /ˈtɜːrmaɪt/ | A social insect that feeds on wood and lives in large colonies. |
| Thrips | /θrɪps/ | A tiny slender insect that feeds on plants. |
| Wasp | /wɑːsp/ | A flying insect with a narrow waist and a painful sting. |
| Weevil | /ˈwiːvəl/ | A type of beetle with a long snout that feeds on plants and grains. |
Common Insect Names with Facts and Pictures
Related links: Animals Vocabulary
| Picture | Vocabulary | IPA (US) | Facts |
|---|---|---|---|
 |
Moth | /mɔːθ/ | Moths are winged insects related to butterflies. Most species are nocturnal and attracted to light. |
 |
Bee | /biː/ | Bees pollinate flowers and produce honey, playing a crucial role in ecosystems. |
 |
Butterfly | /ˈbʌtərflaɪ/ | Butterflies undergo complete metamorphosis from caterpillar to adult. |
 |
Ladybird (UK) / Ladybug (US) | /ˈleɪdibɜːrd/ or /ˈleɪdibʌɡ/ | They are beneficial beetles that help control pests like aphids. |
 |
Ant | /ænt/ | Ants live in organized colonies and cooperate to gather food and build nests. |
 |
Dragonfly | /ˈdræɡənflaɪ/ | Dragonflies are fast aerial predators often found near water. |
 |
Fly | /flaɪ/ | Flies have one pair of wings and are commonly found around food. |
 |
Mosquito | /məˈskiːtoʊ/ | Mosquitoes feed on blood and can transmit diseases like malaria. |
 |
Grasshopper | /ˈɡræsˌhɑːpər/ | Grasshoppers use powerful hind legs to jump long distances. |
 |
Beetle | /ˈbiːtəl/ | Beetles have protective wing covers called elytra. |
 |
Cockroach | /ˈkɑːkroʊtʃ/ | Cockroaches are highly adaptable insects that can survive harsh conditions. |
Frequently Asked Questions
Are Insects Animals?
Yes. Insects are animals and make up the largest group of animals on Earth. Most insects hatch from eggs and go through metamorphosis, changing form as they grow.
Insects were the first invertebrates to evolve flight, which helped them spread across nearly every ecosystem on the planet.
How Can Insects Be Classified?
Related link: Insect Worksheets
For basic vocabulary learning, it is best not to divide insects into “flying” or “crawling” groups, because many insects can do both at different life stages.
In scientific classification, insects are usually grouped into categories such as:
- Beetles.
- Butterflies and moths.
- Bees and wasps.
- Flies.
- Grasshoppers and crickets.
Insects Visual Vocabulary Practice (A1-A2)
Question 1: What animal is shown in this image?
Question 2: What is the name of this animal?
