Omphisa fuscidentalis, commonly known as the bamboo borer, primarily inhabits tropical and subtropical regions of Asia. This moth species is notable for its larvae, which bore into bamboo stems, feeding on the plant tissue. Adults are small, with a wingspan typically ranging from 20 to 30 mm.

The bamboo borer (Omphisa fuscidentalis) is native to Southeast Asia, with its geographical distribution primarily spanning countries such as Thailand, Myanmar, Laos, Vietnam, and certain parts of China. This species is particularly prevalent in regions where bamboo, its primary food source, is abundant.

Omphisa fuscidentalis typically inhabits subtropical and tropical forest regions where bamboo grows. These areas are characterized by warm and humid climate conditions, which provide a suitable environment for the development and growth of bamboo plants.

The bamboo borer specializes in living within the stems of bamboo plants. It plays a specific ecological role as both a pest to bamboo plantations and a part of the food web, serving as prey to various predators. The larvae bore into the bamboo, feeding on the internal plant material, which can affect the health and structural integrity of the bamboo.