Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya Author Kharkongor, Ilona J. text Records of the Zoological Survey of India 2018 2018-01-01 118 1 56 56 http://dx.doi.org/10.26515/rzsi/v118/i1/2018/123034 journal article 10.26515/rzsi/v118/i1/2018/123034 2581-8686 10956085 4. Amynthas robustus (Perrier, 1872) 1872. Perichaeta robusta Perrier, Nouv. Arch. Mus. Hist. Nat. Paris , 9 : 112. Materials examined: 1 ex. Regn. No. IV /ANN/NERC-67. India , Meghalaya , WKH District, Mawthadraishan range, Domkseh, N 25 o 31’58.4” ; E 91 o 27’42.8” ; Alt. 1855m , 25.vi.2010 , coll I.J.Kharkongor and party. Diagnosis: Length 113-244 mm . Segments 71-138. Prostomium epilobic. Perichaetine. First dorsal pore in 11/12. Spermathecal pores two pairs in 7/8/9, ventrolaterally placed. Clitellum 14-16, annular, without setae or dorsal pores. Genital papillae paired and pre-setal in 8 and 9. Female pore single and mid-ventral in 14. Male pores paired in 18, on a raised papillae with one or more similar papillae around it, and the whole surrounded by circular lines or folds. Additionally, two smaller papillae present mid-ventrally in 18. Septa 8/9/10 lacking. Gizzard in 8 and 9. Intestine from 15, caeca in 27. Spermathecae two pairs in 8 and 9. Ovaries paired in 13. Testis sacs paired in 10 and 11. Seminal vesicle paired in 11 and 12. Distribution: INDIA : Meghalaya (WKHD). Elsewhere : China, India, Japan, Korea, Mauritius, Myanmar, Philippines and Taiwan. Remarks: This peregrine species is, herein, recorded for the first time from Meghalaya . Unlike the previous members of the genus, this species is more robust. It is found on the surface of soils saturated with water and having a layer of decaying vegetable matter. As such, it may be classed as an epigeic species.