Description

• Orthomorpha coarctata is a small, dark millipede in the family Paradoxosomatidae. Its body is elongated and somewhat flattened, with numerous segments bearing two pairs of legs on most trunk segments. The body is typically brown to dark brown, often with pale markings along the sides, and the segments have distinctive lateral projections. When disturbed, it may curl up or remain motionless as a defensive response.

Range

• Orthomorpha coarctata is present in Zihuatanejo, Guerrero, Mexico. It is originally associated with Southeast Asia but has spread widely through tropical and subtropical regions, including parts of the Americas, largely through human transport.

Habitat

• This species commonly inhabits warm, humid environments, including gardens, disturbed ground, leaf litter, compost, and areas beneath stones, logs, and other debris. It is frequently associated with human-modified habitats and sheltered places where moisture and decomposing organic material are available.

Diet

• Orthomorpha coarctata primarily feeds on decomposing plant material, including dead leaves and other organic debris. It may also consume fungi and other decaying matter. By breaking down organic material, it contributes to nutrient cycling and soil formation.