# Grass Flies (*Chloropinae*) Grass flies are small, shiny insects that love to buzz around grassy areas. They are often seen flitting about in the sunshine, making them fun to watch! - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Habitat:** Grasslands ![Grass Flies](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Ectecephala_albistylum_P1260785a.jpg&width=800) Photo: xpda, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Ectecephala_albistylum_P1260785a.jpg) ## Appearance The Grass Flies is a tiny insect, often shiny green or yellow with dark stripes on its body. It has clear wings and large, often reddish eyes. Its small size and prominent triangular scutellum help distinguish it from other small flies. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Diptera - **Family:** Chloropidae - **Genus:** Diplotoxa ## Interesting facts - Certain Grass Fly species lay their eggs inside other insect or spider egg sacs! - One species, the frit fly, can destroy entire fields of grain crops like wheat! - Some tiny Grass Fly larvae eat fungus, helping clear rotting plants! - They use their amazing eyesight to spot the smallest drops of sweet honeydew on leaves. ## Special abilities - **Stem Miners:** Grass Flies larvae can burrow inside plant stems for protection and to feed, helping them grow safely. - **Honeydew Harvesters:** Adult Grass Flies have mouthparts that help them sip sugary honeydew, a sweet treat from aphids. - **Pest Patrol:** Some Grass Flies larvae are predatory, hunting aphids and other small insect pests on plants. ## Measurements & details - **Wingspan:** 2-8 mm - **Size:** 1-4 mm - **Lifespan:** 15-45 days - **Flight Speed:** 3 km/h - **Leg Count:** 6 ## Diet & Feeding Adults sip sweet plant juices, while larvae munch on plants or other insects, making them quite diverse. - **Age differences:** Larvae often feed inside plant stems or roots, sometimes preying on other insects, while adults consume sugary liquids from plants. - **Primary Foods:** Nectar, Honeydew, Plant Stems, Plant Roots, Aphids, Small Insect Larvae - **Foraging Method:** Foraging ## Ecological connections - **Eats:** [Kentucky Bluegrass](https://www.snappit.app/explore/kentucky-bluegrass) (*Poa pratensis*) — Larvae burrow into grass stems for food and shelter. - **Hunts:** Bird Cherry-Oat Aphid (*Rhopalosiphum padi*) — Some Grass Fly larvae are predators of these common aphids. - **Eaten by:** [Great Tit](https://www.snappit.app/explore/great-tit) (*Parus major*) — Adult Grass Flies are a common food source for small insect-eating birds. ## Traits - [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material. - [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. - [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind. - [Speedster](https://www.snappit.app/explore/traits/speedster): This trait identifies organisms that exhibit exceptional swiftness in movement for hunting, escape, or travel. - [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants. ## Collections - [Insects](https://www.snappit.app/explore/collections/insects) ## Safety **Danger:** 1/5 · Very low Grass flies are harmless, but it's best to watch them from a distance. ## Frequently Asked Questions ### How to identify Grass Flies? Look for six legs, antennae, three body sections and the shape of the wings. Beetles have hardened front wings; flies have just one working pair. Tiny insects may need a close view before their group is clear. Insect Identifier: upload a photo and compare the visible details. ### What is Grass Flies's wingspan? 2-8 mm ### How big is Grass Flies? 1-4 mm ### How long does Grass Flies live? 15-45 days ### How fast can Grass Flies fly? 3 km/h ### What does Grass Flies eat? Adults sip sweet plant juices, while larvae munch on plants or other insects, making them quite diverse. ### Where is Grass Flies usually found? Grasslands ### How does Grass Flies hunt? Foraging ## More Insects - [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*) - [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*) - [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*) - [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*) --- Source: [Grass Flies: Facts & Places to See — Snappit](https://www.snappit.app/explore/grass-flies)