# Common Evening Brown (*Lethe isobeon*) The Common Evening Brown butterfly is a brown butterfly that likes to rest on the ground during the day. It comes out in the evening to fly! - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 2/5 · Low - **Habitat:** Grasslands and open areas ![Common Evening Brown](https://res.cloudinary.com/drieglelr/image/upload/v1771424761/objects/5551.jpg) ## Appearance The Common Evening Brown is a medium-sized butterfly with soft brown wings, often showing a slightly darker margin. Its underside is a mottled light brown with delicate wavy lines and several small, dark eyespots, particularly prominent on the hindwings, which can vary in visibility. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Lepidoptera - **Family:** Nymphalidae - **Genus:** Lethe ## Interesting facts - Its caterpillars have two tiny 'horns' on their heads and a forked tail. - Their wings sometimes have a beautiful, subtle sheen that shimmers in the right light. - They help pollinate flowers even when the sun isn't shining brightly! - Unlike many butterflies, this one prefers to fly during cool, dim dawn or dusk! ## Special abilities - **Eyespot Trickery:** Common Evening Brown has small eyespots on its wings that helps them trick predators into attacking their wings instead of their body. - **Twilight Camouflage:** Common Evening Brown can blend into shadows because its muted brown colors help them hide from hungry predators. - **Low Light Flight:** Common Evening Brown can fly in dim light because its specialized vision helps them find nectar when other butterflies are resting. ## Measurements & details - **Wingspan:** 40-60 mm - **Size:** 15-20 mm - **Lifespan:** 30-60 days - **Flight Speed:** 15 km/h - **Leg Count:** 6 ## Diet & Feeding Caterpillars munch on leaves, while adult butterflies sip sweet flower nectar. - **Age differences:** Larvae feed exclusively on grass leaves, but adults drink nectar from various flowers and occasionally rotting fruit. - **Primary Foods:** grass leaves, flower nectar, rotting fruit - **Foraging Method:** Foraging ## Ecological connections - **Depends on:** Indian Goosegrass (*Eleusine indica*) — Its caterpillars munch on its leaves to grow big and strong. - **Eaten by:** White Wagtail (*Motacilla alba*) — Small birds, especially wagtails, love to snack on adult butterflies. - **Eaten by:** Signature Spider (*Argiope anasuja*) — Spiders often catch unwary butterflies in their sticky webs. - **Pollinates:** [Lantana](https://www.snappit.app/explore/lantana) (*Lantana camara*) — Adults visit its flowers for sweet nectar, helping the plant reproduce. ## Traits - [Wildlife](https://www.snappit.app/explore/traits/wildlife): Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats. - [Camouflaged](https://www.snappit.app/explore/traits/camouflaged): Camouflaged describes organisms that possess coloring or patterns that allow them to blend into their environment. - [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. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. ## Collections - [Insects](https://www.snappit.app/explore/collections/insects) - [Insects](https://www.snappit.app/explore/collections/insects-and-bugs) ## Safety **Danger:** 2/5 · Low Do not touch or pick up. Some insects sting or bite. Ask an adult for help. ## Frequently Asked Questions ### How to identify Common Evening Brown? Compare the wing outline, spots, bands, eyespots and wing edges. The underside can look completely different from the top. Check for tails, the antennae and where the markings sit instead of relying on color alone. Butterfly Identifier: upload a photo and compare the visible details. ### What is Common Evening Brown's wingspan? 40-60 mm ### How big is Common Evening Brown? 15-20 mm ### How long does Common Evening Brown live? 30-60 days ### How fast can Common Evening Brown fly? 15 km/h ### What does Common Evening Brown eat? Caterpillars munch on leaves, while adult butterflies sip sweet flower nectar. ### Where is Common Evening Brown usually found? Grasslands and open areas ### How does Common Evening Brown 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: [Common Evening Brown: Facts & Places to See — Snappit](https://www.snappit.app/explore/common-evening-brown)