title: A study of the genus Chalybion Dahlbom, 1843 (Hymenoptera, Sphecidae) in India
abstract: Species of the genus Chalybion Dahlbom, 1843 from India are studied. The species C. gracile Hensen, 1988 is recorded for the first time from India. The reported distributions of C. bengalense Dahlbom, 1845 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 cha
journal: Journal of Insect Biodiversity and Systematics