SALVAZANA MIRABILIS IMPERIALIS CICADA
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Cicadidae (Homoptera) de Nicaragua
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Species S. Mirabilis Imperialis
..............................The Cicada Wing Membrane
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SALVAZANA MIRABILIS IMPERIALIS
Salvazana mirabilis imperialis is a cicada found in Cambodia, China, Laos, Thailand and Vietnam.
The cicada genus Salvazana was first described by Distant in 1913 with the type species Salvazana mirabilis. He mentioned its habitat as Indo-China. Distant in 1918 again described a second species, Salvazana imperialis, with its locality mentioned as Laos - Luang Prabang. The genus Salvazana is currently considered to be represented by only one species, mirabilis, with two subspecies mirabilis and imperialis (Sanborn 2014). The subspecies S. m. mirabilis differs from S. m. imperialis with a greenish-yellow basal half in the hindwing, whereas, in the case of S. m. imperialis it is ochraceous. He (1984) described Pulchrocicada guangxiensis, which is a junior synonym of S. m. imperialis from Guangxi in China. Similarly, the subspecies S. m. mirabilis was also described by the junior synonym Pulchrocicada sinensis by He (1984).
Distant (1913) describes the distributional range of S. m. mirabilis as Indo-China; however, there exists no record of its occurrence in India and neighbouring countries including Bhutan, Bangladesh, Nepal, Sri Lanka and Myanmar. In a comprehensive account of cicada from this region, Price et al. (2016) compiled and provided an annotated catalogue of cicadas of the Indian region, consisting of India, Bhutan, Bangladesh, Nepal, Sri Lanka including Myanmar; based on literature and type specimens in the collection of the British and other museums they have listed a total of 281 species of cicadas, with 189 species from India and Bangladesh, 19 species from Bhutan, 81 species from Myanmar, 46 species from Nepal and 22 species from Sri Lanka. An earlier detailed analysis of cicadas from Nepal by Sanborn (2015) had listed 59 species and Bhutan with 18 species and the Himalayan state of Sikkim in India lists 43 species. These lists also clearly indicate the absence of any historical records or specimens of the genus Salvazana from the Indian region. A comprehensive account of cicada fauna from the state of Meghalaya in northeastern India listed a total of 19 species based on the voucher specimen at the collection of Zoological Survey of India (Sen et al. 1998). His list also shows an absence of any representative member from the genus Salvazana. Presently, the known distribution of S.m. mirabilis extends through Laos (Boulard 1999; Lee 2014), Thailand (Boulard 2002), Vietnam (Lee 2008; Pham & Yang 2009) and China (He 1984). Similarly, S.m. imperalis is distributed in Laos (Distant 1918), China (He 1984; Chou et al. 1997) and Thailand (Boulard 2007). Thus, both these subspecies appear to occur sympatrically in these localities, but no reports exist of its occurrence in the north-west towards Myanmar. Here we present the first record of a subspecies of Salvazana from the northeastern part of India extending its distributional range northwestward into northeastern India.