Insects That Start With G

Insects are fascinating creatures that are part of the biggest group of animals on Earth, with over a million known species and thousands more being discovered each year. These small invertebrates have a unique ability to thrive in almost any environment due to their specialized body parts, behaviors, and life cycles. Insects are also masters of disguise and camouflage, with some resembling leaves, twigs, or other insects to avoid predators or attract mates. They have shaped the world we live in, from the cultivation of crops to the development of modern medicine.

I compiled a list of insects by consulting various sources and cross-checking information to ensure accuracy. It was a lot of work, but I’m happy with how it turned out. The list covers a wide range of insects, from the tiniest to the largest.

So, let’s begin exploring this list of insects starting with G!

79 Insects That Start With G

And here’s the list of insects that begin with G letter.

Gallmaking Maple Borer

The Gallmaking Maple Borer is a longhorn beetle that is known for causing damage to maple trees by laying eggs within the tree’s bark. The larvae then tunnel into the tree, creating large and unsightly galls. These galls can weaken the tree, making it more prone to disease and other pests. The adult beetle is approximately 1 inch in length and is brownish-black in color with yellow stripes on its wings. The Gallmaking Maple Borer is most commonly found in the eastern United States and Canada.

Gambel Oak Borer

The Gambel Oak Borer is a type of longhorn beetle that is found in the western United States. This beetle is known for its damage to Gambel Oak trees, especially young trees. The larvae of the Gambel Oak Borer feed on the inner bark of the tree, which can cause the tree to die. The adult beetle is about 0.5-1 inch in length, with a shiny black body and long antennae. The Gambel Oak Borer is considered a pest and can be difficult to control.

Garden Fleahopper

The Garden Fleahopper is a small insect that is commonly found in gardens and fields throughout North America. This insect is a type of true bug and feeds on the sap of plants, causing them to wilt and die. The Garden Fleahopper is less than 1/8 inch in length and is yellowish-green in color. These insects can reproduce rapidly and can cause significant damage to crops.

Garden Millipede

The Garden Millipede is a common arthropod found in gardens and other damp areas throughout the world. These millipedes are notable for their elongated, worm-like bodies which are covered in many small legs. Garden Millipedes feed on decaying plant matter and are not considered pests. While they may look frightening, Garden Millipedes pose no threat to humans or pets.

Garden Springtail

The Garden Springtail is a tiny, wingless insect that is found in soil and plant material. These insects are known for their ability to jump great distances, using a forked appendage on their abdomen. Garden Springtails are typically less than 1/8 inch in length and are grayish-white in color. These insects are not considered pests and do not cause damage to crops or plants.

Garden Symphylan

The Garden Symphylan is a soil-dwelling arthropod that is found in gardens and agricultural fields. These creatures are equipped with many legs and an elongated body that can measure up to half an inch in length. Garden Symphylans feed on plant roots and can cause significant damage to crops. These arthropods are typically active at night and are difficult to control.

Garden Webworm

The Garden Webworm is a small moth that is commonly found in gardens and fields throughout North America. These moths lay their eggs on plants, which hatch into larvae that spin webs and feed on plant material. The Garden Webworm is less than 1/2 inch in length and is brownish-gray in color. These moths are considered pests and can cause significant damage to crops.

Gardenia Bud Mite

The Gardenia Bud Mite is a small, microscopic mite that is known for its damage to gardenia plants. These mites feed on the buds of gardenia plants, causing them to become discolored and deformed. The Gardenia Bud Mite is difficult to control, as they are extremely small and can easily escape detection.

Genista Caterpillar

The Genista Caterpillar is a larval stage of a moth that is known for its damage to genista plants. These caterpillars feed on the foliage of the genista plant, causing it to become ragged and discolored. The Genista Caterpillar is typically less than an inch in length and is greenish-yellow in color. These caterpillars are considered pests and can cause significant damage to genista plants.

German Cockroach

The German Cockroach is a small cockroach that is commonly found in homes and other buildings. These cockroaches are typically less than an inch in length and are light brown in color with two dark stripes on their back. The German Cockroach is considered a pest and can spread disease, contaminate food, and trigger allergies in humans.

German Yellowjacket

The German Yellowjacket is a type of wasp that is commonly found in North America. These wasps are around 1/2 inch in length and are black and yellow in color. The German Yellowjacket is considered a pest and can sting humans, causing pain and even allergic reactions. These wasps are often found in nests in the ground or in other hidden locations.

Ghost Ant

The Ghost Ant is a tiny ant species that is found throughout the world. These ants are less than 1/16 inch in length and are pale in color, giving them a “ghostly” appearance. Ghost Ants are known for their ability to quickly infest buildings and homes, making them a common household pest.

Giant African Snail

The Giant African Snail is one of the largest species of land snails in the world, with some individuals measuring up to 8 inches in length. These snails are native to East Africa but have been introduced to other parts of the world, including North America. The Giant African Snail is considered a pest and can cause damage to crops and gardens.

Giant Bark Aphid

The Giant Bark Aphid is a type of aphid that feeds on the sap of trees. These aphids can grow up to 1/2 inch in length and are brownish-black in color. Giant Bark Aphids can cause significant damage to trees, especially fruit trees.

Giant Hawaiian Dragonfly

The Giant Hawaiian Dragonfly is a large dragonfly species that is found only in Hawaii. These dragonflies can measure up to 5 inches in length and are known for their striking blue and green coloration. The Giant Hawaiian Dragonfly is considered endangered due to habitat loss and other threats.

Giant Palm Borer

The Giant Palm Borer is a type of longhorn beetle that is found in the southern United States and Mexico. These beetles can grow up to 4 inches in length and are identifiable by their large jaws. The Giant Palm Borer is considered a pest and can cause significant damage to palm trees.

Giant Stag Beetle

The Giant Stag Beetle is a large beetle species that is found throughout the world. These beetles can grow up to 4 inches in length and are known for their striking jaws, which are used to fight for mates. Giant Stag Beetles are typically not considered pests, as they do not cause significant damage to crops or other plant material.

Giant Walkingstick

The Giant Walkingstick is a large insect that is found throughout the world. These insects can grow up to 12 inches in length and are known for their ability to mimic twigs and branches. Giant Walkingsticks are typically not considered pests, as they do not cause significant damage to crops or other plant material.

Giant Water Bug

The Giant Water Bug is a large aquatic insect that is found throughout North America. These insects can grow up to 4 inches in length and are known for their ability to catch and kill small prey, including fish and other aquatic insects. Giant Water Bugs are not considered pests but can be intimidating to humans due to their large size.

Giffard Whitefly

The Giffard Whitefly is a type of whitefly that is commonly found in gardens and other outdoor areas. These insects feed on the sap of plants, causing them to weaken and die. The Giffard Whitefly is less than 1/8 inch in length and is white or yellowish in color. These insects are considered pests and can cause significant damage to crops and plants.

Ginger Maggot

The ginger maggot, also known as the onion maggot, feeds on the roots of onions and other plants, causing significant economic damage to farmers annually.

Gladiolus Thrips

The gladiolus thrips feed on the sap of gladiolus plants, causing extensive damage to crops, including stunted growth and deformed leaves.

Glassy Cutworm

The glassy cutworm feeds on a variety of crops, including corn and soybeans, and can cause significant yield loss through their feeding activities.

Glassy-winged Sharpshooter

The glassy-winged sharpshooter is a vector for the bacterium causing Pierce’s disease in grapevines, and has significantly impacted the wine industry in California.

Globose Scale

The globose scale infests a wide range of plant species, including fruit trees, ornamentals, and forest trees, causing weakened growth and defoliation.

Globular Spider Beetle

The globular spider beetle is a pest of stored food products, and can cause significant economic damage in food processing facilities and homes.

Gloomy Scale

The gloomy scale is a pest of coniferous trees, and can cause significant damage through their feeding activities and transmission of diseases.

Glover Scale

The glover scale is a pest of fruit trees, and can cause significant economic damage through their feeding activities and transmission of diseases.

Goat Biting Louse

The goat biting louse is a common ectoparasite of goats, causing intense itching and irritation in their hosts, which can lead to secondary infections.

Goat Follicle Mite

The goat follicle mite is a parasitic insect that infests the hair follicles of goats, causing hair loss and skin irritation.

Goat Sucking Louse

The goat sucking louse is a parasitic insect that feeds on the blood of goats, causing anemia, lethargy, and decreased milk production.

Golden Buprestid

The golden buprestid is a beautiful beetle that feeds on the sap of trees, and can cause significant economic damage to fruit orchards and ornamental trees.

Golden Cricket Wasp

The golden cricket wasp is a natural enemy of crickets, and can help to control their populations in agricultural and residential areas.

Golden Oak Scale

The golden oak scale is a pest of oak trees, and can cause significant damage through their feeding activities and transmission of diseases.

Golden Paper Wasp

The golden paper wasp is a social insect that builds nests from plant fibers and saliva, and can be beneficial to gardens through their pollination activities.

Golden Spider Beetle

The golden spider beetle is a common pest of stored food products, and can cause significant economic damage in food processing facilities and homes.

Golden Tortoise Beetle

The golden tortoise beetle is a colorful insect that feeds on the leaves of various plants, including sweet potato vines, and can cause significant damage to crops.

Goldeneyed Lacewing

The goldeneyed lacewing is a beneficial insect that preys on a variety of pests, including aphids and spider mites, making them important natural enemies in many agricultural settings.

Goldenglow Aphid

The goldenglow aphid is a pest of many ornamental plants, and can cause significant damage through their feeding activities and transmission of diseases.

Goldenheaded Weevil

The goldenheaded weevil is a pest of ornamental plants, and can cause significant damage through their feeding activities and transmission of diseases.

Goldspotted Oak Borer

The goldspotted oak borer is a pest of oak trees in California, and has caused significant mortality in some areas.

Goose Body Louse

The goose body louse is a common ectoparasite of geese, causing intense itching and irritation in their hosts, which can lead to secondary infections.

Gooseberry Fruitworm

The gooseberry fruitworm is a pest of gooseberries and currants, and can cause significant damage through their feeding activities.

Gooseberry Witchbroom Aphid

The gooseberry witchbroom aphid is a pest of gooseberries, and can cause significant damage through their feeding activities and transmission of diseases.

Gophertortoise Tick

The gopher tortoise tick is a common ectoparasite of gopher tortoises, causing intense itching and irritation in their hosts, which can lead to secondary infections.

Gorse Seed Weevil

The gorse seed weevil is a biological control agent for the invasive plant gorse, and has been effective in suppressing gorse populations in some areas.

Grain Mite

The grain mite is a pest of stored food products, and can cause significant economic damage in food processing facilities and homes.

Grain Rust Mite

The grain rust mite is a pest of stored grain, and can cause significant economic damage through their feeding activities.

Grain Thrips

The grain thrips is a pest of stored grain, and can cause significant economic damage through their feeding activities.

Granary Weevil

The granary weevil is a pest of stored grain, and can cause significant economic damage through their feeding activities.

Granulate Ambrosia Beetle

This invasive beetle species is known for transmitting dangerous fungi, causing tree wilting and death, and it can massively impact fruit, nut, and ornamental trees.

Granulate Cutworm

Granulate cutworms are caterpillars that can end up destroying various crops, including grapes, by chewing through foliage and fruits.

Grape Berry Moth

This tiny moth is a destructive pest of many vineyards, as it feeds on ripe grapes, rendering them unfit for consumption or winemaking.

Grape Blossom Midge

Grape blossom midges are small and almost invisible insects that damage grapevine flowers, affecting fruit set and reducing crop yields.

Grape Cane Gallmaker

This small wasp is responsible for creating galls in grapevine canes, interfering with the plant’s water and nutrient flow, weakening it, and potentially causing it to die.

Grape Colaspis

Grape colaspis is a beetle species that feeds on grape roots, stunting growth, and causing plant decline.

Grape Curculio

Grape curculio is a weevil species that affects vineyards by feeding on grape clusters, causing dimpling and scarring on the fruit.

Grape Erineum Mite

These microscopic mites are responsible for the formation of erineum patches on grapevine leaves. Although they are not typically harmful, they can cause significant aesthetic damage to the plants.

Grape Flea Beetle

Grape flea beetles are a pest species of vineyards, but they typically cause little harm as they prefer wild grapes over cultivated ones.

Grape Leaffolder

These caterpillars fold grape leaves around themselves, making tunnels and webbing that can lead to the death of the plants.

Grape Mealybug

This common grapevine pest feeds on plant sap and produces honeydew, which attracts other insects and fungi and can lead to sooty mold formation.

Grape Phylloxera

Grape phylloxera is an aphid-like pest that feeds on grapevine roots, causing reduced growth, wilting, and eventual death of the plants.

Grape Plume Moth

This small moth is known for causing aesthetic damage to grapevine leaves, but they typically do not cause significant harm to the plants.

Grape Root Borer

These beetles lay their eggs on grapevine roots, and the larvae feed on them, leading to stunted growth, reduced yields, and potential plant death.

Grape Rootworm

Grape rootworm larvae feed on grapevine roots, leading to reduced growth and potential plant death.

Grape Sawfly

Grape sawflies are caterpillar-like insects that can defoliate grapevine leaves, leading to reduced growth and crops.

Grape Scale

Grape scales feed on grapevine sap, causing reduced growth, wilting, and potential plant death.

Grape Seed Chalcid

Grape seed chalcids can cause significant damage to grapevine berries by feeding on them and causing rot and loss of quality.

Grape Thrips

Grape thrips feed on grapevine flowers and fruits, leading to damage and reduced yields, and they can also transmit viruses.

Grape Trunk Borer

These beetle species bore into grapevine trunks, leading to significant damage, cankers, and even plant death.

Grape Whitefly

Grape whiteflies feed on grapevine sap, causing reduced growth and leaf yellowing, leading to reduced yields.

Grapeleaf Skeletonizer

These caterpillars feed on grapevine leaves, causing defoliation and potentially leading to reduced plant growth and health.

Grapevine Aphid

Grapevine aphids feed on grapevine sap and can cause significant damage to the plants, leading to reduced growth, yield losses, and sooty mold formation.

Grapevine Looper

These caterpillars can defoliate grapevine leaves, leading to reduced growth and fruiting, and they can also cause significant aesthetic damage.

Grass Fleahopper

Grass fleahoppers are a pest species that can cause significant damage to crops, including grapevines, through their feeding activity.

Grass Mite

Grass mites are tiny pests that feed on grasses, but they do not typically impact grapevines.

Grass Sawfly

Grass sawflies are caterpillar-like insects that feed on grasses, but they do not typically impact grapevines.

Grass Scolytid

Grass scolytids are tiny insects that bore into grasses, but they do not typically impact grapevines.

Grass Sharpshooter

Grass sharpshooters feed on grasses but can transmit diseases to grapevines, leading to significant damage and yield losses.

Wrapping Up

And that’s our list of G insects.

Creating a list of insects was a challenging task, but one that I was determined to tackle. I spent countless hours researching and reading about different insect species, and in the end, came up with a comprehensive guide. From creepy crawlies to colorful butterflies, my list has it all.

Despite their significant contribution to our planet, insects are one of the most maligned and misunderstood creatures on earth. Due to their small size, people often fail to appreciate their critical role in sustaining our environment. Insects aid in pollination, natural pest control, and decomposition of organic matter, among other essential activities. Nevertheless, humans often forget their importance and inadvertently cause their extinction through deforestation, pesticide use, and pollution. We must take deliberate steps towards insect conservation to recognize, protect, and honor their role in our ecosystem.

Hope this post on insects beginning with G alphabet has been useful to you!