Srilankametrus indus

Srilankametrus indus, commonly known as the giant forest scorpion, is a species of scorpions belonging to the family Scorpionidae. It is native to India and Sri Lanka.^[2][3][4]

Srilankametrus indus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Scorpiones
Family:	Scorpionidae
Genus:	Srilankametrus
Species:	S. indus
Binomial name
Srilankametrus indus (De Geer, 1778)
Synonyms[1]: 103
Scorpio indus De Geer, 1778 Heterometrus indus indus Couzijn, 1981 Heterometrus indus Fet, 2000 Scorpio ceylonicus Herbst, 1800 Heterometrus (Heterometrus) spinifer solitarius Couzijn, 1981

Description

This large scorpion has a total length of 90 to 130 mm. Adults are uniformly reddish black to greenish black in color. Both sexes have 10 to 15 pectinal teeth. The pedipalp chela is hirsute and lobiform. The manus is covered by rounded granules which appear as rows. The pedipalp patella lacks a pronounced internal tubercle. The carapace is smooth and glossy with some marginal granules. Dorsal and dorsolateral carinae of metasomal segments are smooth. The telson vesicle is longer than the aculeus.^{[1]: 103–108}

A voracious predator, it is known to feed on many larger animals.^[5][6]