Atlas of Habitats

individual

0.0002 m³

at 1.5 m

6.5ºN

[balooned] stem

fibres

excavating

smooth

invertebrates

[balooned] stem

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Introduction

Liberia
Booker Washington Institute, Kakata
6.5324 N, 10.3663 W
22/08/2024 3:15 pm

These stem-boring larvae are known for their ability to bore into plant stems, feeding on the internal tissues of trees and shrubs. The hollowing of the stem eventually causes the plant to swell or even blow up due to internal pressure and tissue destruction. The boring activity disrupts the flow of water and nutrients within the plant, often causing the stem to crack or split. This creates a safe habitat for the larvae, but it also leaves the plant vulnerable to damage or collapse.

Microclimate

Inside the plant stem, the microclimate is stable, offering protection from external temperature fluctuations and humidity changes. The tunnels provide a sheltered environment that allows the larvae to grow without being exposed to direct sunlight, wind or rain. The natural moisture within the plant tissue ensures that the larvae remain hydrated as they feed. This microclimate is essential for the larvae's development, providing a consistent, protected environment until they mature into adult beetles.

Material

The main material that the larvae interact with are the vascular tissues of the host plants. As they feed, they create tunnels throughout the plant, consuming the soft inner layers, which provide the nutrients they need to grow and develop. They often target already weakened or stressed plants, although healthy plants may also become infested.

Location

The Booker Washington Institute (BWI), situated in Kakata, is the largest vocational training school in Liberia. Kakata, a town known for its agricultural landscapes, provides an ideal habitat for stem-boring larvae as they are commonly found in areas with dense vegetation, where trees or woody plants provide ample food sources. The humid tropical climate of Kakata supports rapid plant growth, which, in turn, sustains populations of stem-boring insects.

Construction

The construction of the larvae’s tunnels is a slow, steady process as they chew through the plant’s tissues. The tunnels, or galleries, they create vary in size depending on the species and the larva’s age. These burrows can be extensive, winding through the stem and weakening the structural integrity of the plant. The waste produced by the larvae is often ejected from the tunnel entrance.