Moniligaster girishi and drawida reynoldsi Earthworm
Why in News?
Common Habitat & Origin
- Location: Both species were found in the Nilgiri Biosphere Reserve of the Western Ghats.
- Biological Roots: They belong to a family believed to have evolved millions of years ago in the region of the Malay Archipelago or Myanmar.
- Endemism: The genus Moniligaster is specifically endemic to the Western Ghats.
Moniligaster girishi
- Discovery Site: Found in tropical wet evergreen forests near Chembotti, often tucked inside decaying logs.
- Naming: Named in honour of Dr. P. Girish Kumar, a scientist at the Zoological Survey of India.
- Distinctive Traits:
- Belongs to the gravelyi species-group.
- Features a unique undivided spermathecal atrial gland on each side of its anterior body.
- Possesses a smooth, tubular prostatic capsule that flattens into a strap-like shape.
Drawida reynoldsi
- Discovery Site: Collected from high-altitude montane grasslands between Sispara and Anginda.
- Naming: Named after John Warren Reynolds, a renowned Canadian earthworm expert.
- Distinctive Traits:
- Belongs to the robusta species-group, characterized by glandular prostates and bilobed atria.
- Identified by a distinct sausage-like prostatic capsule and a large, erect spermathecal atrium.
Ecological Importance
- Soil Health: Like other earthworms, they play a vital role in nutrient cycling and maintaining the soil structure of delicate tropical ecosystems.
- Biodiversity Indicators: Their discovery underscores the "hidden diversity" remaining in the Western Ghats, a global biodiversity hotspot.
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