Random Bug Species Generator
Generate amazing bug and insect species instantly. Discover fascinating insects, get images, and learn about different insect families. Perfect for entomology enthusiasts!
About Random Bug Generator
Our Random Bug Generator is a free online tool designed to help you discover fascinating insect and bug species from around the world. With just one click, you can generate random bugs with detailed information, high-quality images, and scientific facts.
This tool is perfect for students, educators, nature enthusiasts, and anyone curious about insects. Each card includes the common name, scientific name, and an interesting fun fact with a purple magnifying glass icon.
Entomology
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Stink & Shield Bugs
Assassin & Predatory Bugs
Bed & Household Bugs
Plant & Crop Bugs
Aphids, Whiteflies & Sap Bugs
Water & Semi-Aquatic Bugs
Cicadas & Hoppers
Main Random Animal Tools
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Random Animal Generator
Generate random animal species with images and scientific details
Downloadable Bug Facts Table
| Name | Category | Diet/Food | Lifespan | Region/Habitat | Short Description |
|---|---|---|---|---|---|
| Dog-Day Cicada | Insect | Tree sap | 2–5 years | North America | Large cicada with a loud, droning call in summer. |
| Eastern Boxelder Bug | Insect | Boxelder seeds | Few months | Eastern North America | Black bug with red markings, often invades homes in fall. |
| Eastern Leaf-Footed Bug | Insect | Plant juices | Few months | Eastern US | Brown bug with leaf-like expansions on hind legs. |
| Elm Bug | Insect | Elm seeds | Few months | North America | Small greyish bug often found on elm trees. |
| Emanated Cicada | Insect | Tree sap | 2–5 years | North America | Cicada species known for its distinctive call. |
| Beetle Bug | Insect | Varies by species | Varies | Worldwide | General term for any beetle-like insect. |
| Ladybug | Insect | Aphids | 1–2 years | Worldwide | Small round beetle, usually red or orange with black spots. |
| Ladybird | Insect | Aphids | 1–2 years | Worldwide | Another name for ladybug. |
| Ladybird Beetle | Insect | Aphids | 1–2 years | Worldwide | Scientific name for ladybug. |
| Yellow-Spotted Ladybug | Insect | Aphids | 1–2 years | Worldwide | Ladybug species with yellow spots instead of black. |
| Damselfly | Insect | Mosquitoes and small insects | Few months | Worldwide | Slender body, holds wings folded over body when resting. |
| Firefly | Insect | Other insects or nectar | Few months | Worldwide | Beetle that produces light from abdomen. |
| Lightning Bug | Insect | Other insects or nectar | Few months | Worldwide | Another name for firefly. |
| Grasshopper | Insect | Grasses and leaves | 1 year | Worldwide | Long-legged insect that jumps and makes chirping sounds. |
| Brown Grass Hopper | Insect | Grasses | 1 year | Worldwide | Brown-colored grasshopper common in fields. |
| Cricket | Insect | Plants and insects | Few months | Worldwide | Known for chirping sounds made by males. |
| Katydid | Insect | Leaves | 1 year | Worldwide | Green insect resembling a leaf, makes "katy-did" sound. |
| Praying Mantis | Insect | Other insects | 1 year | Worldwide | Triangular head, folded front legs resembling prayer. |
| Stick Insect | Insect | Leaves | 1–2 years | Worldwide | Long and thin, camouflaged as twigs. |
| Leaf Insect | Insect | Leaves | 1–2 years | Asia and Australia | Body resembles a leaf for camouflage. |
| Cockroach | Insect | Decaying matter | 1–2 years | Worldwide | Flat-bodied, fast-running insect, often considered a pest. |
| Termite | Insect | Wood and cellulose | 1–5 years | Worldwide | Social insect that eats wood, can damage structures. |
| Carpenter Ant | Insect | Insects and sweets | Few months to years | Worldwide | Large ant that nests in wood, can cause damage. |
| Red Fire Ant | Insect | Insects and plants | Few months | South America (invasive) | Aggressive ant with painful sting. |
| Bullet Ant | Insect | Insects and nectar | Few months | Central and South America | Known for extremely painful sting compared to bullet. |
| Velvet Ant | Insect | Nectar and larvae | Few months | Worldwide | Actually a wasp, females wingless and covered in dense hair. |
| Honey Bee | Insect | Nectar and pollen | Weeks to months | Worldwide | Flying insect known for producing honey and wax. |
| Bumblebee | Insect | Nectar and pollen | Few months | Worldwide | Large, fuzzy bee that pollinates flowers. |
| Wasp | Insect | Insects and nectar | Few months | Worldwide | Slender body with narrow waist, can sting repeatedly. |
| Hornet | Insect | Insects and sap | Few months | Worldwide | Large wasp that builds paper nests. |
| Yellowjacket | Insect | Insects and human food | Few months | Worldwide | Black and yellow wasp, aggressive near food. |
| Paper Wasp | Insect | Insects and nectar | Few months | Worldwide | Builds umbrella-shaped paper nests. |
| Mud Dauber | Insect | Spiders | Few months | Worldwide | Wasp that builds nests from mud. |
| Ichneumon Wasp | Insect | Insect larvae | Few months | Worldwide | Parasitic wasp with long ovipositor. |
| Braconid Wasp | Insect | Caterpillars and insects | Few months | Worldwide | Small parasitic wasp, beneficial for pest control. |
| Fig Wasp | Insect | Fig flowers | Few days | Worldwide | Tiny wasp that pollinates fig trees. |
| Gall Wasp | Insect | Oak trees | Few months | Worldwide | Causes galls to form on plants for larvae development. |
| Cuckoo Wasp | Insect | Other wasp larvae | Few months | Worldwide | Metallic blue/green wasp, lays eggs in other wasp nests. |
| Thread-waisted Wasp | Insect | Insects | Few months | Worldwide | Extremely narrow waist, hunts caterpillars. |
| Spider Wasp | Insect | Spiders | Few months | Worldwide | Hunts spiders to feed larvae. |
| Digger Wasp | Insect | Insects | Few months | Worldwide | Nests in ground, hunts prey for larvae. |
| Sawfly | Insect | Leaves | Few months | Worldwide | Wasp-like insect with saw-like ovipositor. |
| Cicada | Insect | Tree sap | 2–17 years | Worldwide | Known for loud mating calls and long lifecycle. |
| Black Prince Cicada | Insect | Tree sap | 2–5 years | Australia | Dark-colored cicada species. |
| Periodical Cicada | Insect | Tree sap | 13 or 17 years | North America | Emerges in large broods after many years. |
| Seventeen Year Cicada (Magicicada) | Insect | Tree sap | 17 years | North America | Periodical cicada with 17-year lifecycle. |
| Abrasive Cicada | Insect | Tree sap | 2–5 years | Australia | Cicada species known for rough sound. |
| Aphid | Insect | Plant sap | Few weeks | Worldwide | Small sap-sucking pest, reproduces quickly. |
| Apple Aphid | Insect | Apple tree sap | Few weeks | Worldwide | Aphid species that feeds on apple trees. |
| Black Aphid | Insect | Plant sap | Few weeks | Worldwide | Black-colored aphid common on various plants. |
| Black Bean Aphid | Insect | Bean plant sap | Few weeks | Worldwide | Aphid that infests bean crops. |
| Cabbage Aphid | Insect | Cabbage sap | Few weeks | Worldwide | Aphid that feeds on cabbage family plants. |
| Cherry Aphid | Insect | Cherry tree sap | Few weeks | Worldwide | Aphid that infests cherry trees. |
| Corn Aphid | Insect | Corn sap | Few weeks | Worldwide | Aphid that feeds on corn plants. |
| Cotton Aphid | Insect | Cotton plant sap | Few weeks | Worldwide | Aphid pest of cotton crops. |
| Oleander Aphid | Insect | Oleander sap | Few weeks | Worldwide | Yellow aphid that feeds on oleander and milkweed. |
| Pea Aphid | Insect | Pea plant sap | Few weeks | Worldwide | Aphid that infests pea crops. |
| Woolly Aphid | Insect | Plant sap | Few weeks | Worldwide | Covered in waxy white filaments, looks like wool. |
| Lanternfly | Insect | Plant sap | Few months | Asia, Africa | Colorful planthopper with long snout. |
| Spotted Lanternfly | Insect | Plant sap | Few months | Asia (invasive) | Invasive pest with spotted wings, damages crops. |
| Planthopper | Insect | Plant sap | Few months | Worldwide | Jumps from plant to plant, feeds on sap. |
| Leafhopper | Insect | Plant sap | Few months | Worldwide | Small hopping insect that feeds on plant sap. |
| Corn Leafhopper | Insect | Corn sap | Few months | Americas | Leafhopper that feeds on corn, spreads disease. |
| Blue Leafhopper | Insect | Plant sap | Few months | Worldwide | Leafhopper with blue coloration. |
| Green Leafhopper | Insect | Plant sap | Few months | Worldwide | Common green-colored leafhopper. |
| Yellow Leafhopper | Insect | Plant sap | Few months | Worldwide | Leafhopper with yellow coloration. |
| Typical Leafhopper | Insect | Plant sap | Few months | Worldwide | Common leafhopper species. |
| Treehopper | Insect | Plant sap | Few months | Worldwide | Often has thorn-like shape for camouflage. |
| Buffalo Treehopper | Insect | Plant sap | Few months | North America | Shaped like a buffalo with humped back. |
| Strange Treehopper | Insect | Plant sap | Few months | Worldwide | Unusual-looking treehopper species. |
| Shield Bug | Insect | Plants | Few months | Worldwide | Shaped like a shield, also called stink bugs. |
| Forest Shield Bug | Insect | Plant sap | Few months | Woodlands worldwide | Shield bug found in forested areas. |
| Birch Shield Bug | Insect | Birch tree sap | Few months | Europe, Asia | Often found on birch trees. |
| Gorse Shield Bug | Insect | Gorse plant sap | Few months | Europe | Lives and feeds on gorse bushes. |
| Hawthorn Shield Bug | Insect | Hawthorn sap | Few months | Europe | Feeds on hawthorn trees and bushes. |
| Hairy Shield Bug | Insect | Plants | Few months | Europe | Covered in fine hairs. |
| Immature Shield Bug | Insect | Plants | Nymph stage | Worldwide | Juvenile stage of a shield bug. |
| Large Brown Shield Bug | Insect | Plants | Few months | Europe | Larger brown-colored shield bug species. |
| Lychee Shield Bug | Insect | Lychee fruit sap | Few months | Asia | Pest of lychee trees, also called lychee stink bug. |
| Striped Shield Bug | Insect | Plants | Few months | Worldwide | Shield bug with striped patterns. |
| Stink Bug | Insect | Plants | Few months | Worldwide | Releases an odor when threatened. |
| Brown Marmorated Stink Bug | Insect | Fruits and plants | Few months | Asia (invasive) | Invasive pest with marbled pattern on back. |
| Brown Stink Bug | Insect | Plants | Few months | Worldwide | Common brown-colored stink bug. |
| Black Stink Bug | Insect | Plants | Few months | Worldwide | Black-colored stink bug species. |
| Green Stink Bug | Insect | Plants | Few months | Worldwide | Bright green stink bug. |
| Southern Green Stink Bug | Insect | Plants | Few months | Southern US | Green stink bug common in southern regions. |
| Small Green Stink Bug | Insect | Plants | Few months | Worldwide | Smaller species of green stink bug. |
| Twice-Stabbed Stink Bug | Insect | Plants | Few months | North America | Black bug with two red spots on back. |
| Stink Bug Nymph | Insect | Plants | Nymph stage | Worldwide | Juvenile stink bug, often colorful. |
| Assassin Bug | Insect | Other insects | Few months to a year | Worldwide | Predatory bug that hunts other insects. |
| Bee Assassin Bug | Insect | Bees and insects | Few months | Americas | Ambushes and feeds on bees. |
| Milkweed Assassin Bug | Insect | Insects | Few months | North America | Orange and black, hunts on milkweed plants. |
| Pale Assassin Bug | Insect | Insects | Few months | Worldwide | Light-colored assassin bug. |
| Spiny Assassin Bug | Insect | Insects | Few months | Worldwide | Covered in spines for protection. |
| Bed Bug | Insect | Human blood | 4–6 months | Worldwide | Small parasitic insect that feeds on human blood at night. |
| Kissing Bug | Insect | Blood | 1–2 years | Americas | Blood-sucking bug that can transmit Chagas disease. |
| Water Strider | Insect | Insects | Few months | Worldwide | Skates on water surface using long legs. |
| Common Water Strider | Insect | Insects | Few months | Worldwide | Common species found on ponds and streams. |
| Common Pond Skater | Insect | Insects | Few months | Worldwide | Another name for water strider. |
| Giant Water Bug | Insect | Fish, tadpoles | 1 year | Worldwide | Large aquatic bug that can bite toes. |
| Toe-Biter Bug | Insect | Fish, tadpoles | 1 year | Worldwide | Nickname for giant water bug due to painful bite. |
| Water Boatman | Insect | Algae and debris | Few months | Worldwide | Swims upright in water, oar-like legs. |
| Backswimmer Bug | Insect | Insects and tadpoles | Few months | Worldwide | Swims upside-down, can bite painfully. |
| Wheel Bug | Insect | Insects | 1 year | North America | Large assassin bug with cog-like wheel on back. |
| American Wheel Bug | Insect | Insects | 1 year | North America | Common wheel bug species in North America. |
| American Pine Bug | Insect | Pine tree sap | Few months | North America | Lives and feeds on pine trees. |
| Coreid Bug | Insect | Plants | Few months | Worldwide | Family of leaf-footed bugs. |
| Corsair Bug | Insect | Insects | Few months | Americas | Aggressive assassin bug with painful bite. |
| Western Corsair Bug | Insect | Insects | Few months | Western US | Corsair bug species found in western regions. |
| Cotton Stainer Bug | Insect | Cotton plants | Few months | Tropics | Stains cotton fibers when feeding. |
| Cottony Cushion Scale Bug | Insect | Plant sap | Few months | Worldwide | Scale insect with cotton-like egg sac. |
| Scale Bug | Insect | Plant sap | Few months | Worldwide | Small, stationary pest that feeds on plant sap. |
| Seed Bug | Insect | Seeds | Few months | Worldwide | Feeds on seeds of various plants. |
| Seed Bug Nymph | Insect | Seeds | Nymph stage | Worldwide | Juvenile stage of a seed bug. |
| Dirt-Colored Seed Bug | Insect | Seeds | Few months | Worldwide | Camouflaged to look like soil. |
| Scentless Plant Bug | Insect | Plants | Few months | Worldwide | Lacks scent glands unlike stink bugs. |
| Predatory Plant Bug | Insect | Small insects | Few months | Worldwide | Hunts other insects on plants. |
| Tarnished Plant Bug | Insect | Plants | Few months | North America | Agricultural pest damaging many crops. |
| Soapberry Bug | Insect | Soapberry seeds | Few months | Tropics and subtropics | Feeds on seeds of soapberry family plants. |
| Soybean Bug | Insect | Soybean plants | Few months | Asia | Pest of soybean crops. |
| Spined Soldier Bug | Insect | Insects | Few months | North America | Predatory stink bug with spines. |
| Thread-Legged Bug | Insect | Insects | Few months | Worldwide | Very thin, long thread-like legs. |
| Ambush Bug | Insect | Insects | Few months | Worldwide | Hides in flowers to ambush prey. |
| Burrower Bug | Insect | Plant roots | Few months | Worldwide | Lives and feeds in soil on plant roots. |
| Chinch Bug | Insect | Grass and grains | Few months | Americas | Pest of lawns and cereal crops. |
| Harlequin Bug | Insect | Cabbage family | Few months | Americas | Colorful black and red bug, pest of vegetables. |
| Hawthorn Bug | Insect | Hawthorn | Few months | Europe | Feeds on hawthorn trees. |
| Parent Bug | Insect | Plants | Few months | Europe | Female guards eggs and young. |
| Shore Bug | Insect | Small organisms | Few months | Worldwide | Lives near water edges, feeds on tiny organisms. |
| Sunflower Bug | Insect | Sunflowers | Few months | North America | Pest that feeds on sunflower heads. |
| Wheat Bug | Insect | Wheat | Few months | Worldwide | Pest of wheat crops. |
| A Rice Ear Bug | Insect | Rice | Few months | Asia | Pest that feeds on rice grains. |
| White-Margined Burrower Bug | Insect | Plant roots | Few months | North America | Burrows in soil, feeds on roots. |
| Big-Eyed Bug | Insect | Small insects | Few months | Worldwide | Large eyes, beneficial predator of pests. |
| Birch Bug | Insect | Birch tree sap | Few months | North America | Feeds on birch trees. |
| Bright Green Bug | Insect | Plants | Few months | Worldwide | Generic bright green insect. |
| Bronze Orange Bug | Insect | Plants | Few months | Australia | Bronze-orange stink bug, pest of citrus. |
| Brown and Black Bug | Insect | Plants | Few months | Worldwide | Generic brown and black colored insect. |
| Black Bug | Insect | Plants | Few months | Worldwide | Generic black-colored insect. |
| Big Blue Bug | Insect | Plants | Few months | Worldwide | Generic large blue-colored insect. |
| Big Bug Isolated | Insect | Unknown | Varies | Unknown | Stock photo description of a large insect. |
| Bug Plant | Insect | Plants | Varies | Worldwide | Insect found on a plant. |
| Macro Shot of Bugs on the Stem | Insect | Plants | Varies | Worldwide | Close-up photograph of insects on plant stem. |
| Flea | Insect | Animal blood | Few months | Worldwide | Small jumping parasite that feeds on blood. |
| Flea Eggs | Insect | Not applicable | Eggs hatch in days | Worldwide | Tiny white eggs laid by fleas on host or environment. |
| Louse | Insect | Blood or skin | Few weeks | Worldwide | Parasitic insect living on mammals and birds. |
| Mosquito | Insect | Nectar (females drink blood) | Weeks | Worldwide | Small fly with needle-like mouthparts to suck blood. |
| Gnat | Insect | Plant matter and blood | Weeks | Worldwide | Small flying insect, often found in swarms. |
| Midge | Insect | Nectar and plant matter | Weeks | Worldwide | Small fly, some species bite. |
| Black Fly | Insect | Blood (females) | Weeks | Worldwide | Small dark fly, females bite and suck blood. |
| Horsefly | Insect | Blood (females) | Weeks to months | Worldwide | Large fly with painful bite, feeds on animal blood. |
| Macro Fly | Insect | Varies by species | Varies | Worldwide | Close-up photograph of a fly. |
| Crane Fly | Insect | Nectar or none | Few days | Worldwide | Long-legged fly resembling giant mosquito, harmless. |
| Fruit Fly | Insect | Fermenting fruit | Weeks | Worldwide | Small fly attracted to ripe and rotting fruit. |
| Housefly | Insect | Decaying matter | Weeks | Worldwide | Common fly found in homes, spreads diseases. |
| Blowfly | Insect | Decaying matter | Weeks | Worldwide | Metallic-colored fly, lays eggs on carcasses. |
| Whitefly | Insect | Plant sap | Few weeks | Worldwide | Small white insect, pest of greenhouse plants. |
| Glasshouse Whitefly | Insect | Plant sap | Few weeks | Worldwide | Whitefly species common in greenhouses. |
| Silverleaf Whitefly | Insect | Plant sap | Few weeks | Worldwide | Whitefly pest causing silverleaf damage in plants. |
| Dobsonfly | Insect | Other insects (larvae aquatic) | 2–3 years | Americas, Asia | Large insect with impressive mandibles in males. |
| Mayfly | Insect | None (adults) | Few days | Worldwide | Short-lived insect with aquatic nymphs. |
| Stonefly | Insect | Algae and debris (nymphs) | 1–3 years | Worldwide | Aquatic insect, indicator of clean water. |
| Caddisfly | Insect | Algae and insects | 1 year | Worldwide | Aquatic larvae build protective cases. |
| Lacewing | Insect | Aphids and insects | Few weeks | Worldwide | Delicate green insect with lacy wings, beneficial predator. |
| Lacewing Larvae Eating Aphid | Insect | Aphids | Larval stage | Worldwide | Young lacewing feeding on aphids, beneficial insect. |
| Antlion | Insect | Ants and insects | 2–3 years | Worldwide | Larvae dig pits to trap ants, adults resemble damselflies. |
| Silverfish | Insect | Starch and paper | 2–8 years | Worldwide | Slender, wingless insect with fish-like movements. |
| Earwig | Insect | Plants and insects | 1 year | Worldwide | Elongated body with pincer-like cerci on the abdomen. |
| Pill Bug | Crustacean | Decaying plants | 2–3 years | Worldwide | Rolled-up, armoured terrestrial crustacean, also called roly-poly. |
| Armadillidium vulgare (Common Pill Bug) | Crustacean | Decaying matter | 2–3 years | Worldwide | Common pill bug species, rolls into ball when threatened. |
| Upside Down Pill Bug | Crustacean | Decaying matter | 2–3 years | Worldwide | Pill bug shown on its back, possibly playing dead. |
| Mealybug | Insect | Plant sap | Several months | Worldwide | Small, soft-bodied insect covered with white powdery wax. |
| Long-Tailed Mealybug | Insect | Plant sap | Few months | Worldwide | Mealybug with long waxy tail filaments. |
| Pest Mealybug | Insect | Plant sap | Few months | Worldwide | General term for mealybug species that damage plants. |
| Cochineal | Insect | Cactus sap | Few months | Americas | Scale insect on cacti, used to produce red dye. |
| Glassy-Winged Sharpshooter | Insect | Plant sap | Few months | North America | Leafhopper with clear wings, spreads plant diseases. |
| Froghopper | Insect | Plant sap | Few months | Worldwide | Jumps well, nymphs produce cuckoo spit. |
| Spittlebug | Insect | Plant sap | Few months | Worldwide | Nymphs cover themselves in frothy spittle. |
| June Bug | Insect | Plant roots and leaves | 1–3 years | North America | Large brown beetle active in early summer. |
| Japanese Beetle | Insect | Plants | 1 year | Japan (invasive) | Metallic green and brown beetle, pest of many plants. |
| Australian Christmas Beetle | Insect | Eucalyptus leaves | 1 year | Australia | Colorful beetle active around Christmas time. |
| Hercules Beetle | Insect | Rotting fruit | Few months to years | Central and South America | Large rhinoceros beetle with long horns. |
| Scarab Beetle | Insect | Dung, plants, or decaying matter | Varies | Worldwide | Large family of beetles, many species. |
| Stag Beetle | Insect | Tree sap and decaying wood | Few years | Worldwide | Males have large antler-like mandibles. |
| Ground Beetle | Insect | Other insects | 1–4 years | Worldwide | Fast-running predator that lives on ground. |
| Click Beetle | Insect | Plants or insects | Few years | Worldwide | Can snap body to flip into air making clicking sound. |
| Fire-Colored Beetle | Insect | Fungi and wood | Varies | Worldwide | Often red or orange in color. |
| Tiger Beetle | Insect | Insects | Few years | Worldwide | Fast-running predator with large eyes. |
| Longhorn Beetle | Insect | Wood | Few months to years | Worldwide | Very long antennae, often longer than body. |
| Jewel Beetle | Insect | Wood | Varies | Worldwide | Iridescent, metallic colors like jewels. |
| Leaf Beetle | Insect | Leaves | Few months to years | Worldwide | Feeds on leaves, many are agricultural pests. |
| Colorado Potato Beetle | Insect | Potato plants | Few months | North America | Yellow and black striped beetle, major potato pest. |
| Bark Beetle | Insect | Wood under bark | Few months to years | Worldwide | Tunnels under tree bark, can kill trees. |
| Rove Beetle | Insect | Insects and decaying matter | Few months to years | Worldwide | Short wing covers, flexible body, often raises abdomen. |
| Soldier Beetle | Insect | Aphids and nectar | Few months | Worldwide | Soft-bodied beetle, often orange and black. |
| Whirligig Beetle | Insect | Insects on water | 1–2 years | Worldwide | Swims in circles on water surface, eyes divided. |
| Tortoise Beetle | Insect | Leaves | Few months | Worldwide | Domed shell like a tortoise, often golden. |
| Goliath Beetle | Insect | Fruit and sap | Few months to years | Africa | One of the largest beetles, heavy and bulky. |
| Atlas Beetle | Insect | Rotting fruit | Few months to years | Southeast Asia | Large rhinoceros beetle with three horns. |
| Carpet Beetle | Insect | Fabric and keratin | Few months to years | Worldwide | Small beetle, larvae damage carpets and clothes. |
| Flour Beetle | Insect | Flour and grains | Few months to years | Worldwide | Pest of stored grain products in pantries. |
| Mealworm Beetle | Insect | Grains | Few months to years | Worldwide | Darkling beetle, larva is mealworm used as pet food. |
| Oil Beetle | Insect | Plants and insect eggs | Few months to years | Worldwide | Releases oily substance when threatened, can blister skin. |
| Blister Beetle | Insect | Plants | Few months to years | Worldwide | Secretes chemical that causes blisters on skin. |
| Darkling Beetle | Insect | Decaying matter | Few months to years | Worldwide | Large family, includes mealworm and flour beetles. |
| Dung Beetle | Insect | Dung | Few months to years | Worldwide | Rolls and buries dung for food and breeding. |
| Cucumber Beetle | Insect | Cucurbits (cucumber, squash) | Few months | North America | Yellow or striped beetle, pest of cucumber family. |
| Blue Jewel Bug | Insect | Plants | Few months | Tropics | Iridescent blue shield bug. |
| Vibrant Jewel Bug | Insect | Plants | Few months | Tropics | Colorful jewel bug with bright colors. |
| Black-and-Red Shield Bug | Insect | Plants | Few months | Worldwide | Shield bug with black and red coloration. |
| Boxelder Bug | Insect | Boxelder seeds | Few months | North America | Black with red lines, invades homes in fall. |
| Box Elder Bugs | Insect | Boxelder seeds | Few months | North America | Plural of boxelder bug. |
| Minute Pirate Bug | Insect | Small insects and mites | Few weeks | Worldwide | Tiny black and white bug, beneficial predator. |
| Lygus Bug | Insect | Plants | Few months | Worldwide | Small green or brown bug, agricultural pest. |
| Dock Bug (Coreus marginatus) | Insect | Dock plants | Few months | Europe and Asia | Brown bug with broad body, feeds on dock plants. |