Reddyanus jayarathnei explained

Reddyanus jayarathnei is a species of scorpion in the family Buthidae endemic to Sri Lanka.^{[1] [2] [3]}

Etymology

The species name is named after V. A. Sanjeewa Jayarathne, who is the person that collected the type specimen of the scorpion.^[4]

Description

Total length is about 37.1 mm in female and 45.5 mm in male. Male has slightly longer metasomal segments and telson than female. Pedipalp movable finger is longer than manus of chela. Pedipalps, legs, femur and patella are covered with brown maculation. First metasomal segment has 10 carinae, whereas second through fourth segments have eight carinae. The fifth segment bears five carinae in female, but male has only three to five carinae. Subaculeartooth is wide and rounded. Female has 12 pectinal teeth, but male has 14 pectinal teeth. Both mesosoma and carapace are dark black with yellow to reddish spots. Chelicera are strongly reticulated, with spotted fingers. Pedipalps, legs, femur and patella are reddish, with brown to black spots. Pedipalp chela fingers are reddish black. Metasomal segments are reddish brown with the spots. Telson also reddish with brown spots. Carapace lacks carinae but covered with large granules. Mesosoma has granulated median carina.

Notes and References

1. Šťáhlavský . František . Nguyen . Petr . Sadílek . David . Štundlová . Jana . Just . Pavel . Haddad . Charles R . Koç . Halil . Ranawana . Kithsiri B . Stockmann . Mark . 2020-11-06 . Evolutionary dynamics of rDNA clusters on chromosomes of buthid scorpions (Chelicerata: Arachnida) . 2021-08-31 . Biological Journal of the Linnean Society . 131 . 3 . 547–565 . 10.1093/biolinnean/blaa118.
2. Kovařík . František . Šťáhlavský . František . 2019-12-07 . Revision of the genus Reddyanus from Southeast Asia, with description of five new species from Cambodia, Malaysia, Thailand and Vietnam (Scorpiones: Buthidae) . 2021-08-31 . Euscorpius . 2019 . 295 . 1–45 . 10.18590/euscorpius.2019.vol2019.iss295.1. 214363192 . free .
3. Web site: New scorpion taxa (Arachnida: Scorpiones) described in the journal "Euscorpius" in 2002–2020 . 2021-08-31 . Euscorpius - Occasional Publications in Scorpiology. 2020, No. 300.
4. Charles University . Kovařík . František . Lowe . Graeme . Monell Chemical Senses Center . Ranawana . Kithsiri B. . University of Peradeniya . Hoferek . David . Jayarathne . V. A. Sanjeewa . University of Peradeniya . 2016 . Scorpions of Sri Lanka (Scorpiones: Buthidae, Chaerilidae, Scorpionidae) with description of four new species of the genera Charmus Karsch, 1879 and Reddyanus Vachon, 1972, stat. n . 2021-08-29 . Euscorpius . 2016 . 220 . 1–133 . 10.18590/euscorpius.2016.vol2016.iss220.1. free .