Abstract
Three new species and one new record are added to the philopotamid fauna of India from the Indian Himalaya. The newly described species under the genus Chimarra Stephens include Chimarra butticulata sp.n. and C. gangotriensis sp.n. both from Uttarakhand and C. sangtami sp.n. from Nagaland. The record of C. nigra Kimmins (from Sikkim) constitutes the first record of that species from India, although it was previously known from Nepal. It is redescribed here from India as there are minor differences in the male genitalia from previously described species (in original paper of Kimmins only lateral view of the phallus was illustrated and in the redescribed species the ventral view of phallus is illustrated along with the lateral view). The four species belong to two different species groups and one species is unplaced in the species group. These species are distinguishable from each other as well as from the previously known allied species by consistent taxonomic features of the inferior appendages, tergite X, and the phallic apparatus of males.
Highlights
With more than 800 species known for the world, about 400 species of the genus Chimarra Stephens are recorded from the Oriental Region [1]
The genus Chimarra is divided into 4 subgenera: Chimarra Stephens, Chimarrita Blahnik, Curgia Walker, and Otarrha Blahnik [4]
Malicky [5,6,7,8,9,10,11,12,13,14,15,16,17,18] described 162 species from Nepal, China, Cambodia, Thailand, Indonesia (Ambon, Bali, Irian Jaya, Java, Kalimantan, Lombok, Sulawesi, and Sumatra), Vietnam, Bhutan, Malaysia (Sabah), Pakistan, Philippines, Sri Lanka, and India (Andaman Islands, Great Nicobar Island, and South Andaman Island). In addition to those works coauthored by Malicky and others, in which many new species were described and first national species records made include those of Sun and Malicky [19], Malicky and Chantaramongkol [20,21,22,23] and Malicky et al [24], other works describing Oriental species of Chimarra include those of Banks [25,26,27], Blahnik et al [3, 28], Ghosh and Chaudhury [29], Hagen [30, 31], Hwang [32], Jacquemart [33], Kimmins [34,35,36], Martynov [37], Melnitsky [38], Mey [39,40,41,42,43,44], Mosely [45], Navas [46,47,48], Olah [49], Olah and Malicky [50], Saini et al [51,52,53], Johanson and Olah [54], Pandher and Saini [55, 56], Schmid [57, 58], Sun [59], Ulmer [60,61,62,63,64,65], Yang et al [66], and Wang et al [67]
Summary
With more than 800 species known for the world, about 400 species of the genus Chimarra Stephens are recorded from the Oriental Region [1]. Chimarra aberrans Martynov occurs in all regions of India and one species has been recorded from Mount Abu (Rajasthan) by Pandher and Saini [56]
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