50 Useful and Beneficial Insects for the Garden

Ralph Astley is a retired gardener from Philadelphia who specializes in outdoor plants and trees. With years of hands-on experience, Ralph not only cares for a diverse range of outdoor flora but also shares his extensive knowledge through well-written articles and social media posts. A trusted authority in arboriculture, he's committed to helping the community grow healthier, more robust gardens.
Learn About Editorial Policy

2-Minute Read

Beneficial Insects not only help the ecosystem but they also promote the balance. This list has 50 of them in detail!

Beneficial Insects – These tiny heroes play an essential role in maintaining a healthy, vibrant garden by controlling harmful pests naturally, reducing the need for chemical interventions. From pollination to pest control, they’re the unsung champions that can dramatically improve your gardening game.

Learn How to Use Banana Peels to Get Rid of Aphids here

Beneficial Insects

1. Ladybug

Beneficial Insects 1

Scientific Name: Coccinella septempunctata

Ladybugs, with their characteristic red shells and black spots, play a crucial role in your garden by voraciously consuming aphids, mealybugs, and other soft-bodied pests, effectively reducing their populations and helping to maintain plant health.

2. Honeybee

Scientific Name: Apis mellifera

These Beneficial Insects visit your garden’s blossoms, transferring pollen from flower to flower as they collect nectar, ensuring the successful fertilization of your fruits and vegetables, leading to more abundant harvests.

3. Praying Mantis

Beneficial Insects 3

Scientific Name: Mantis religiosa

Praying mantises, slender and green, are stealthy predators that lurk amidst your garden’s foliage, preying on a variety of garden pests, including flies, caterpillars, and beetles, providing valuable pest control.

4. Lacewing

Scientific Name: Chrysoperla carnea

These Beneficial Insects, with delicate, transparent wings, are beneficial insects in their larval stage, as their voracious appetite for aphids, mites, and small insects helps maintain the ecological balance in your garden.

5. Ground Beetle

Beneficial Insects 5

Scientific Name: Carabidae

Ground beetles, often dark and shiny, are nocturnal hunters that prowl the soil at night, feeding on pests like slugs, snails, and beetle larvae, safeguarding your plants from root-dwelling threats.

6. Green Lacewing

Scientific Name: Chrysoperla sp.

Green lacewings, similar to their relatives, consume aphids and other small pests, defending your garden’s vegetation from harmful insect infestations.

7. Dragonfly

Beneficial Insects 7

Scientific Name: Odonata

These Beneficial Insects, with their intricate wing patterns, are agile predators of mosquitoes and flies, keeping your garden relatively free from annoying flying insects.

8. Syrphid Fly

Scientific Name: Syrphidae

Syrphid flies, resembling bees, are important pollinators, and their larvae, known as hoverfly larvae, have a hearty appetite for aphids, making them a dual asset in your garden.

9. Spined Soldier Bug

Beneficial Insects 9

Scientific Name: Podisus maculiventris

Spined soldier bugs, with their distinctive spiky appearance, are Beneficial Insects that feed on caterpillars and beetle larvae, ensuring your plants remain pest-free.

Check out Cute Bugs in Garden and Outdoors here

10. Braconid Wasp

Scientific Name: Braconidae

These Beneficial Insects parasitize tomato hornworms and other caterpillars, helping protect your tomato plants from these voracious eaters.

11. Tachinid Fly

Beneficial Insects 11

Scientific Name: Tachinidae

Tachinid flies, resembling common houseflies, play a role in pest control by laying their eggs on or inside harmful insects like beetles and caterpillars, reducing their populations.

12. Damsel Bug

Scientific Name: Nabidae

These Beneficial Insects are effective predators that prey on aphids, caterpillars, and leafhoppers, making them beneficial guardians of your garden.

13. Aphidius Wasp

Beneficial Insects 13

Scientific Name: Aphidiinae

Aphidius wasps lay their eggs inside aphids, leading to the demise of these plant-sucking insects, naturally controlling their numbers.

14. Minute Pirate Bug

Scientific Name: Orius

Minute pirate bugs feed on thrips, mites, and aphids, protecting the foliage of your plants from potential damage.

15. Assassin Bug

Beneficial Insects 15

Scientific Name: Reduviidae

Characterized by their long proboscis, these Beneficial Insects are skilled hunters who prey on various garden pests, serving as efficient agents of pest management.

16. Garden Spider

Scientific Name: Araneidae

Garden spiders, with their intricate webs, catch flying insects like flies and mosquitoes, contributing to a decrease in potential garden nuisances.

Check Best Organic Pest Control Approaches Every Gardener Should Know here

17. Hoverfly

Beneficial Insects 17

Scientific Name: Allograpta obliqua

Hoverflies, often mistaken for bees, not only assist in pollination but also help control aphid populations, ensuring your garden’s health.

18. Soldier Beetle

Scientific Name: Cantharidae

These Beneficial Insects are excellent predators, targeting pests such as aphids, caterpillars, and beetle larvae.

19. Rove Beetle

Beneficial Insects 19

Scientific Name: Staphylinidae

They are beneficial for gardens as they forage on soil-dwelling pests like slugs, snails, and various larvae, which can harm plant roots.

20. Beneficial Nematode

Scientific Name: Heterorhabditis bacteriophora

Parasitic nematodes target harmful soil-dwelling insects such as weevils and grubs, effectively protecting plant roots.

21. Leafcutter Bee

Beneficial Insects 21

Scientific Name: Megachilidae

Leafcutter bees are solitary pollinators commonly found in gardens. They significantly benefit gardens by enhancing the yield of fruits and vegetables by pollination.

Check Everything About Growing Butterwort: Sticky Trap for Insects here

22. Dung Beetle

Scientific Name: Scarabaeidae

These Beneficial Insects feed on and bury animal dung. In gardens, they play a vital role by decomposing organic matter, including dung and plant debris, which enriches the soil.

23. Predatory Mite

Beneficial Insects 23

Scientific Name: Phytoseiulus persimilis

They are beneficial for gardens because they help control spider mite populations, preventing leaf damage and plant stress.

24. Tiger Beetle

Scientific Name: Cicindelinae

They help maintain garden health by hunting and consuming various small pests such as flies, ants, and caterpillars.

Explore Master Gardener’s Tricks to Improve Beneficial Insects in Garden here

25. Orchid Bee

Beneficial Insects 25

Scientific Name: Euglossini

Orchid bees pollinate orchids and a wide array of other flowers, supporting biodiversity in your garden.

26. Predatory Stink Bug


Scientific Name: Pentatomidae

These Beneficial Insects, with their shield-like appearance, prey on caterpillars and beetle larvae, contributing to crop protection.

27. Thread-Waisted Wasp

Beneficial Insects 27

Scientific Name: Sphecidae

Thread-waisted wasps control caterpillar populations by paralyzing them and providing a food source for their young.

28. Robber Fly

Scientific Name: Asilidae

These Beneficial Insects, resembling oversized flies, are formidable hunters who capture and consume flies and other small insects, helping to reduce garden pests.

Check Bug Repellant Plants for Insects Free Home and Garden here

29. Garden Snail

Beneficial Insects 29

Scientific Name: Cornu aspersum

Garden snails, easily recognizable by their spiral shells, assist in the decomposition of organic matter, enriching soil quality.

30. Nematode

Scientific Name: Steinernema carpocapsae

Beneficial nematodes combat soil-dwelling pests like weevils and grubs, ensuring a healthier garden.

Read about the Most Beneficial Garden Insects You Should Avoid Killing here

31. Blue Mason Bee

Beneficial Insects 31

Scientific Name: Osmia lignaria

Blue mason bees pollinate fruit trees and other flowering plants, playing a vital role in the garden’s ecosystem.

32. Potter Wasp

Scientific Name: Eumeninae

Potter wasps, with their distinctive nests, prey on caterpillars, assisting in pest management and protecting your garden plants.

33. Ichneumon Wasp

Beneficial Insects 33

Scientific Name: Megarhyssa macrurus

Ichneumon wasps parasitize caterpillars, reducing their numbers and minimizing plant damage.

34. Shield Bug

Scientific Name: Pentatomidae

These Beneficial Insects help protect crops and plants by preying on caterpillars and beetle larvae, contributing to garden health.

35. Whitefly Parasitoid Wasp

Beneficial Insects 35

Scientific Name: Encarsia formosa

These tiny wasps target and parasitize whiteflies on greenhouse plants, effectively controlling infestations.

Read Common Items in Home to Solve Pest Problems in Garden here

36. Rat-Tailed Maggot

Scientific Name: Syrphidae larva

The larvae of rat-tailed maggots, aquatic insects, assist in breaking down organic matter in ponds, improving water quality.

37. Prionyx Wasp

Beneficial Insects 37

Scientific Name: Sphecidae

Prionyx wasps control grasshopper populations, preventing potential damage to garden vegetation.

38. Cicada Killer Wasp

Scientific Name: Sphecidae

These Beneficial Insects  specialize in controlling cicada populations, which can otherwise harm trees, making them valuable garden protectors.

39. Ants

Beneficial Insects 39

Scientific Name: Formicidae

Certain ant species protect plants by preying on harmful insects and aerating soil through their tunneling activities, fostering a healthy garden environment.

40. Grasshopper

Scientific Name: Acrididae

Predatory grasshoppers consume garden pests, helping to balance insect populations. If you spot these Beneficial Insects in your garden, don’t get rid of them!

Read Best Organic Pest Control Approaches Every Gardener Should Know here

41. Scorpionfly

Beneficial Insects 41

Scientific Name: Panorpa spp.

Scorpionflies, with their distinctive scorpion-like tails, feed on small insects, reducing potential garden nuisances without the need for chemical intervention.

42. Bark Beetle

Scientific Name:(Scolytinae):

Bark beetles play a crucial role in forest ecosystems by breaking down and decomposing dead trees, which keep the cycle of ecosystem in check.

43. Leaf Beetle

Beneficial Insects 43

Scientific Name: Chrysomelidae

Some leaf beetles, with their often colorful appearances, feed on plant-damaging weeds, contributing to weed control in your garden.

44. Woodlouse

Scientific Name: Isopoda

Woodlice, resembling tiny armored tanks, help break down decaying matter, enriching the soil with nutrients.

45. Sawfly

Beneficial Insects 45

Scientific Name: Symphyta

These Beneficial Insects feed on plant pests, such as leaf-chewing insects, contributing to the overall health of your garden.

Discover Pest Repellent Plants here

46. Weevil

Scientific Name: Curculionidae

Some weevils, often small and brownish, are beneficial predators of harmful insects, assisting in natural pest control.

47. Hunting Wasp

Beneficial Insects 47

Scientific Name: Pseneo punctatus

Hunting wasps help control pest populations by hunting and capturing various insects in your garden.

48. Yellowjacket

Scientific Name: Vespula vulgaris

Yellowjackets, easily identifiable by their yellow and black colors, actively hunt caterpillars and flies, effectively decreasing the population of garden pests in the surrounding area.

49. Ground-Nesting Bee

Beneficial Insects 49

Scientific Name: Andrena spp.

These Beneficial Insects play a vital role by expertly pollinating wildflowers and crops, which, in turn, significantly contribute to the overall productivity of your garden.

50. Nematus Sawfly

Scientific Name: Nematinae

Nematus sawflies control the population of leaf-chewing caterpillars by laying their eggs on or near their host plants, preserving foliage and plant health.

Discover Using Apple Cider Vinegar for Pests here

Recent Posts

Join our 3 Million Followers:


Related Articles


Please enter your comment!
Please enter your name here