Description of a new species of genus Ceratina Latreille, 1802 (Hymenoptera, Apoidea) from Eastern Himalayas, India with a new country record

A new species of the genus Ceratina Latreille, 1802 is described from Tawang, Arunachal Pradesh, Eastern Himalaya, India. The new species is assigned to the subgenus Ceratinidia Cockerell Porter, 1899 which was previously represented by seven species from mainland India. Ceratina (Ceratinidia) bryanti Cockerell, 1919 is also reported for the first time from India. Diagnostic features are elaborated and illustrated and distinguishing characters are discussed from closely allied species Ceratina (Ceratinidia) bryanti Cockerell, 1919. Type localities mapped and augmented. An updated checklist of Ceratina species and their distribution in India is mapped and discussed.