Nettle-tree Butterfly

**Nettle-tree Butterfly (Libythea celtis)** The Nettle-tree Butterfly is a distinctive medium-sized butterfly characterized by its angular wing shape and prominent snout-like projection formed by elongated labial palps. Adults display orange-brown coloration with white spots and dark borders on their forewings. This species exhibits strong host plant specificity, with larvae feeding exclusively on hackberry trees (Celtis species). Adults are known for their erratic flight patterns and tendency to bask with wings spread on sunny surfaces. The species demonstrates one of the broadest geographic distributions among butterflies, spanning from Western Europe through Asia to parts of North America. Populations occur across diverse climatic zones, from Mediterranean scrublands to temperate forests and semi-arid regions. The butterfly inhabits areas where its host plants grow, typically in woodland edges, river valleys, and disturbed habitats with scattered hackberry trees. Despite its extensive range, the Nettle-tree Butterfly faces mounting pressures from habitat fragmentation and the decline of hackberry populations. Urban development, intensive agriculture, and forest management practices that remove native Celtis trees pose significant challenges. Climate change may also affect the synchronization between butterfly emergence and host plant phenology across different regions. Conservation efforts remain limited and fragmented across the species' range. Some European countries include the butterfly in biodiversity monitoring programs, while habitat restoration projects occasionally incorporate hackberry planting. However, comprehensive population assessments are lacking for most regions. The species' current outlook remains uncertain due to insufficient population data. While its wide distribution provides some resilience, localized declines suggest continued monitoring and targeted conservation measures are necessary to prevent further population fragmentation.