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<p>In India, white grub is a polyphagous pest and is classified under four subfamilies, i.e., Melolonthinae, Rutelinae, Dynastinae, and Cetoniinae. To investigate the current status of their species, exhaustive surveys were carried out in 2022, from different locations in Pantnagar, Udham Singh Nagar District, Uttarakhand, India. Surveys were conducted from March to September 2022 using mercury light traps. Species identification, and data analysis revealed 255 adults belonging to 17 genera and 38 species under 5 subfamilies i.e., Rutelinae (56.7%), Melolonthinae (29.01%), Dynastinae (7.45%), Cetoniinae (3.52%) and Sericinae (3.92%). The highest number of species recorded were within the Rutelinae (18 species) subfamily and Anomalini (13 species) tribe. However, <i>Holotrichia nagpurensis</i>&#xa0;Khan and Ghai and <i>Anomala xanthoptera</i> C.E. Blanchard accounted for 25.5% of the total adult collection from the surveyed locations, which indicating the dominance of this species in the locality. Out of 38 species, the author also identified one species, <i>Dichelomorpha alsiosia</i> Blanchard, 1850, from Pantnagar. After study, it was considered a new record for the fauna of Uttarakhand. However, due to insufficient description and information, we have redescribed this species with the help of available male specimens, adult photographs, and its male genitalia.</p>

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Species Abundance and First Documentation of White Grub Species (Coleoptera; Scarabaeidae; Melolonthinae) from Terai Foot Hills of Uttarakhand (India)

  • 期刊论文

  • 发表日期：

    2026年4月9日

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  • Mayank Kumar,
  • Ajay Kumar Pandey

摘要

In India, white grub is a polyphagous pest and is classified under four subfamilies, i.e., Melolonthinae, Rutelinae, Dynastinae, and Cetoniinae. To investigate the current status of their species, exhaustive surveys were carried out in 2022, from different locations in Pantnagar, Udham Singh Nagar District, Uttarakhand, India. Surveys were conducted from March to September 2022 using mercury light traps. Species identification, and data analysis revealed 255 adults belonging to 17 genera and 38 species under 5 subfamilies i.e., Rutelinae (56.7%), Melolonthinae (29.01%), Dynastinae (7.45%), Cetoniinae (3.52%) and Sericinae (3.92%). The highest number of species recorded were within the Rutelinae (18 species) subfamily and Anomalini (13 species) tribe. However, Holotrichia nagpurensis Khan and Ghai and Anomala xanthoptera C.E. Blanchard accounted for 25.5% of the total adult collection from the surveyed locations, which indicating the dominance of this species in the locality. Out of 38 species, the author also identified one species, Dichelomorpha alsiosia Blanchard, 1850, from Pantnagar. After study, it was considered a new record for the fauna of Uttarakhand. However, due to insufficient description and information, we have redescribed this species with the help of available male specimens, adult photographs, and its male genitalia.