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Pandiarajan Srinivasan, Thambiratnam Sivaruban, Sivaruban Barathy, Rajasekaran Isack,
Volume 10, Issue 3 (9-2024)
Abstract
Caenis ulmeriana Malzacher, 2015 is recorded for the first time from the Western Ghats, India. Prior records of this species encompass Java, Sumatra, Thailand, Myanmar, and the Philippines. Notably, the Indian population of C. ulmeriana showcases variability, including slight changes in the shape of forceps in the male subimago and increased denticulation in the midclaw, a reduced number of setae in the Y-ridge of tergalius II, and differing shape of sternum IX in the larvae compared to other continental and island populations. The species number of Caenis Stephens, 1835 has now increased to twelve in India. A distributional map detailing the range of C. ulmeriana in the Oriental region is also provided herein.
John T.d. Caleb, Muthusamy Sampathkumar,
Volume 10, Issue 4 (12-2024)
Abstract
A new species of the jumping spider genus Carrhotus Thorell – Carrhotus piperus sp. nov. – is described based on the male holotype collected from Tamil Nadu, India. Detailed description and illustrations are provided. The new species can be separated from the closely related taxa by the prolateral protrusion of the bulb arising from an 8 o’clock position and directed dorsad, and the retrolaterally directed beak-shaped embolus. The number of known Carrhotus species reaches to 10 and 37 in India and in the world, respectively. A key to species of the genus Carrhotus from India is also presented.
