S. Anagha - Western Ghat Regional Centre, Zoological Survey of India, Eranhipalam, Kozhikode, Kerala- ۶۷۳۰۰۶, India
Puthuvayi Girish Kumar - Western Ghat Regional Centre, Zoological Survey of India, Eranhipalam, Kozhikode, Kerala- ۶۷۳۰۰۶, India
Vishwanath Dattatray Hegde - Western Ghat Regional Centre, Zoological Survey of India, Eranhipalam, Kozhikode, Kerala- ۶۷۳۰۰۶, India

Species of the genus Chalybion Dahlbom, ۱۸۴۳ from India are studied. The species C. gracile Hensen, ۱۹۸۸ is recorded for the first time from India. The reported distributions of C. bengalense Dahlbom, ۱۸۴۵ within various states of India are augmented here. A modified key to the species of Chalybion from India is provided. Diagnosis, figures, and table showing comparison of newly recorded species, i.e., C. gracile with the widely distributed C. bengalense is provided. Diagnostic morphological characters of both C. gracile and C. bengalense are illustrated here.

blue mud dauber, new record, India, key, morphology