# Winter Firefly (*Photinus corruscus*) Winter fireflies are special insects that light up the night with their glowing bodies. They are often seen in the winter, creating a magical scene in the dark. - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 10 - **Habitat:** Forests ![Winter Firefly](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Elateroidea_-_Ellychnia_corrusca.jpg&width=800) Photo: Katja Schulz, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Elateroidea_-_Ellychnia_corrusca.jpg) ## Appearance The Winter Firefly is a small beetle with an elongated, dark brown body and reddish-brown wing covers. It has distinctive pale yellow segments on its abdomen, which house its light-producing organs. Its relatively drab coloration helps it blend into winter leaf litter. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Coleoptera - **Family:** Lampyridae - **Genus:** Photinus ## Interesting facts - Larval fireflies, called glowworms, also light up to warn predators they taste terrible! - Not all fireflies glow! Some species use scent signals instead of light to find mates. - Their light is 'cold light,' meaning it creates almost no heat, making it super energy efficient! - Winter Fireflies are actually beetles, not true flies, despite their common name! ## Special abilities - **Cold Light Glow:** Winter Firefly can produce light even in freezing temperatures because of specialized chemical reactions in its light organs. - **Flashtalk:** Winter Firefly has unique flash patterns that helps them communicate with potential mates and rivals at night. - **Toxic Defense:** Winter Firefly has bitter-tasting chemicals, lucibufagins, that helps them deter predators from eating them. ## Measurements & details - **Wingspan:** 20-30 mm - **Size:** 10-15 mm - **Lifespan:** 14-28 days - **Flight Speed:** 5 km/h - **Leg Count:** 6 ## Diet & Feeding Larval winter fireflies are tiny hunters, preying on soft-bodied creatures in the soil and under bark. - **Age differences:** Larvae are predatory, while adult winter fireflies typically do not feed or consume only small amounts of nectar. - **Primary Foods:** Snails, Slugs, Earthworms, Small insects - **Foraging Method:** Pursuit ## Ecological connections - **Eaten by:** [Little brown bat](https://www.snappit.app/explore/little-brown-bat) (*Myotis lucifugus*) — Adult fireflies are prey for this nocturnal hunter. - **Eaten by:** [American Bullfrog](https://www.snappit.app/explore/american-bullfrog) (*Rana catesbeiana*) — Adult and larval fireflies can be snatched by frogs. - **Hunts:** Dusky Arion slug (*Arion subfuscus*) — Larval fireflies actively prey on slugs in their habitat. - **Hunts:** [Earthworm](https://www.snappit.app/explore/earthworm) (*Lumbricus terrestris*) — Young firefly larvae will hunt and paralyze small worms. - **Shelter:** [White Oak](https://www.snappit.app/explore/white-oak) (*Quercus alba*) — Larvae and adults often hide in leaf litter near oak trees. ## 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. - [Insectivorous](https://www.snappit.app/explore/traits/insectivorous): This trait identifies organisms whose diet primarily consists of insects and other small invertebrates. - [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life. - [Glowing](https://www.snappit.app/explore/traits/glowing): Pertaining to organisms that emit light through bioluminescence or fluorescence. - [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day. - [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 Be gentle and watch from a distance so you don't scare the fireflies. ## Frequently Asked Questions ### How to identify Winter Firefly? Look for hard wing covers meeting in a line down the back, then compare the antennae, body shape, legs and markings. Metallic colors shift a lot with lighting. Beetle Identifier: upload a photo and compare the visible details. ### What is Winter Firefly's wingspan? 20-30 mm ### How big is Winter Firefly? 10-15 mm ### How long does Winter Firefly live? 14-28 days ### How fast can Winter Firefly fly? 5 km/h ### What does Winter Firefly eat? Larval winter fireflies are tiny hunters, preying on soft-bodied creatures in the soil and under bark. ### Where is Winter Firefly usually found? Forests ### How does Winter Firefly hunt? Pursuit ## Where to spot - [Chesterfield Gorge](https://www.snappit.app/guides/places/chesterfield-gorge) — Massachusetts, US · Nature Reserve - [Enfield Shaker Museum](https://www.snappit.app/guides/places/enfield-shaker-museum) — New Hampshire, US · Museum - [Salmon Falls (West) Historic District](https://www.snappit.app/guides/places/salmon-falls-west-historic-district) — Maine, US · Historic District - [DuPont State Forest](https://www.snappit.app/guides/places/dupont-state-forest) — North Carolina, US · Forest - [Kents Corner Historic District](https://www.snappit.app/guides/places/kents-corner-historic-district) — Vermont, US · Historic District - [Lebanon Green Historic District](https://www.snappit.app/guides/places/lebanon-green-historic-district) — Connecticut, US · Historic District [View all places to see Winter Firefly](https://www.snappit.app/guides/where-to-see/winter-firefly) ## 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: [Winter Firefly: Facts & Places to See — Snappit](https://www.snappit.app/explore/winter-firefly)