The Grass Demon Butterfly, also known as Ancistroides folus, is a beautiful butterfly that can be found in India and Nepal. Although it is quite small, it is prominent in its own right and belongs to the skipper family, Hesperiidae. This butterfly is sometimes considered a pest as it can occasionally damage ginger and turmeric plants.
Habitat of The Grass Demon Butterfly
The Grass Demon Butterfly thrives in a variety of habitats but primarily prefers subtropical forests, grasslands, and woodland edges. This versatile species adapts easily to different environments, choosing locations abundant with host plants that provide both nourishment and breeding grounds.
Flight Behaviour and Pattern of The Grass Demon Butterfly
Grass Demon Butterflies are energetic flyers known for their rapid take-offs. These skilled fliers have a unique flight pattern characterized by erratic movements and fast changes in direction. Unlike many butterfly species that glide gracefully through the air, the Grass Demon zips around at a lower altitude which allows them to escape predators more efficiently.
Life Cycle of The Grass Demon Butterfly
The life cycle of the Grass Demon Butterfly follows a typical pattern consisting of four stages – egg, larva (caterpillar), pupa (chrysalis), and adult butterfly. Females lay pale green eggs on the leaves of host plants such as species from Zingiberaceae (ginger) family or Marantaceae (Prayer Plant) family. The caterpillar emerges after about six days with an appetite for devouring leaves. After approximately two weeks, the caterpillar forms a chrysalis from which an adult butterfly emerges within ten days to two weeks.
Features and Behaviour: Male and Female Grass Demon Butterfly
The male Grass Demon Butterfly is distinguishable by its dark brown wings, adorned with a striking white band. This band forms an eye-catching contrast with its dark surroundings, making the male one of the most attractive in the butterfly world. Males are territorial, often patrolling specific areas to court females and defend against rival males.
Female Grass Demon Butterflies have similar markings to their male counterparts, but their wings generally sport a lighter brown color. Additionally, the white band appearing on the female's wings can be thinner compared to that of the males.
Distribution and Spotting of The Grass Demon Butterfly in Nepal
The Grass Demon Butterfly enjoys a wide distribution from India's northern regions to Southeast Asia. In Nepal, it can be found throughout the southern Terai plains and mid-hills up to approximately 2000 meters above sea level. Nature lovers traveling to Nepal can visit locations such as Chitwan National Park or Shivapuri Nagarjun National Park during the active period of Grass Demons (March to November) for an opportunity to spot this enchanting species.
In conclusion, the Grass Demon Butterfly is a fascinating species that showcases the beauty and intrigue of nature. Its unique flight patterns, life cycle, and stunning features make it a notable presence in its native habitats. So if you find yourself in Nepal or any other area where this butterfly resides, take some time to explore their beautiful world and admire these delightful creatures in their natural environment.