The genus Dolichurus Latreille is studied from India and two new species are described: Dolichurus sahyadriensis Anagha and Girish Kumar sp. nov., and D. chareshi Anagha and Girish Kumar sp. nov.. D. aridulus Krombein 1979 is recorded from India for the first time. Records of four other Dolichurus species from various states of India are presented here. A key to the species of Dolichurus from the Indian subcontinent is provided.

The mud-dauber wasp genus Sceliphron Klug (Hymenoptera: Sphecidae) is reviewed, with six species and six subspecies reported from various parts of India. The Palaerctic species, S. destillatorium (Illiger), is recorded for the first time from the Indian subcontinent. The subspecies S. madraspatanum formosanum van der Vecht is also recorded for first time from the Indian subcontinent. The distribution records of species and subspecies within various states of India are augmented. A modified key to the species of Sceliphron occurring in India is provided. Intraspecific variation within nominal species is discussed.

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The genus Sphex Linnaeus (Hymenoptera: Sphecidae) is studied from India and key to Indian species is provided. The state-wise distributions of four species of Sphex are augmented here. A new synonymy is proposed: Sphex zubaidiyacus Augul, 2013 = S. obscurus (Fabricius, 1804).

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 characters of both C. gracile and C. bengalense are illustrated here.