Dicharax cucullatus (Theobald, 1870) Fig. 36A–J Alycaeus cucullatus Theobald, 1870: 396–397, pl. 18 fig. 2. Alycaeus davisi Godwin-Austen, 1914: 408, pl. 148 figs 9, 9a. Alycaeus cucullatus – Sowerby 1877: pl. 2, species 12. — Godwin-Austen 1914: 407, pl. 155 fig. 5. Alycaeus (Dicharax) cucullatus – Kobelt 1902: 367–368. — Gude 1921: 244–245. Alycaeus (Chamalycaeus) davisi – Gude 1921: 226. Dicharax cucullatus – Páll-Gergely et al. 2020: 57. — Jirapatrasilp et al. 2021: 4, figs 2–3, 4a–b, 5a, 6h (treated D. davisi as a junior synonym). Dicharax davisi – Páll-Gergely et al. 2020: 58. Type material examined MYANMAR • 2 syntypes of D. cucullatus; Shan States; NHMUK 1888.12.4.951-952 • 4 syntypes of A. davisi; Shan States; Woodthorpe leg.; NHMUK 1903.7.1.1630. Type localities “Shan States” (A. cucullatus); “ Siam and Shan boundary” (A. davisi). Differential diagnosis The most similar species is D. ochraceus, which is smaller, and has more widely-spaced R2 ribs (Jirapatrasilp et al. 2021). See also under D. digitatus. Remarks This is a variable species regarding the aperture shape and the height of R3 swelling (see Jirapatrasilp et al. 2021).

Published as part of Páll-Gergely, Barna, Gojšina, Vukašin & Aravind, Neelavar Ananthram, 2025, A review of Chamalycaeus, Cycloryx and Dicharax species of the Himalaya and Myanmar and seven new species of Alycaeinae from the Blue Mountain, Mizoram, India (Gastropoda, Caenogastropoda, Cyclophoridae), pp. 1-158 in European Journal of Taxonomy 1029 on page 61, DOI: 10.5852/ejt.2025.1029.3131, http://zenodo.org/record/17864673