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Species Card Details

Microhodotermes viator

Southern harvester termite

Species Card Photograph

Group:

Insect

Size:

12 mm

Distribution:

The distribution of Microhodotermes viator is largely restricted to southern Africa, with its range concentrated in the arid and semi-arid regions of South Africa, especially in the Western Cape, Northern Cape, and parts of the Eastern Cape.

PromethION Sequencing Report:

Output:

66.5 Gigabases

Approximate N50:

3.16 kilobases

Assembly N50:

6 407.31 kilobases

Contig number:

2 668

Draft Genome Assembly Statistics:

Assembler used:

Hifiasm

Genome Length:

0.95 Gigabases

BUSCO completeness score (single and duplicated genes):

98.7% [S: 98.7%, D: 1.0%]

BUSCO database:

insecta

Importance:

The Southern harvester termite is ecologically important in South African arid and semiarid ecosystems, particularly the Succulent Karoo and Nama Karoo biomes. It is a dominant decomposer and primary soil engineer, breaking down dry plant material and contributing to nutrient cycling, soil structure, and water infiltration. This termite’s genome sequence is important because it can: ① Reveal genetic adaptations to arid environments and extreme temperature fluctuations; ②. Shed light on the early evolution of termites; ③ Fill a major gap in termite phylogenomics, improving our understanding of termite diversification; ④ Inform conservation and land management in fragile dryland ecosystems facing climate change.

Sample Contributor contact details:

Dr Barbara van Asch
Stellenbosch University, Genetics Department

Date Published:

2025-10-24

Photo credit:

© D. Gergonne

Fauna

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