Taxonomic Information
Similiar species:
Rather small Geometrinae with wingspan of ~30 mm. Numerous other members of the genus Hemithea are found in India. Holloway (1996) writes "Members of the [tritonaria] complex are only reliably separated by examination of the male genitalia."
Hemithea Duponchel, 1829 species known from India.
Hemithea antigrapha Prout, 1917. India: Meghalaya (Khasi Hills).
Hemithea aquamarina Hampson, 1895. India: Meghalaya (Khasi Hills), Himachal Pradesh (Dharamsala). Hemithea himachalensis Walia, 2000. India: Himachal Pradesh (Nauni).
Hemithea insularia (Guenée, [1858]). Indian subregion.
Hemithea marina (Butler, 1878). Indian subregion.
Hemithea melalopha Prout, 1931. India: Meghalaya (Khasi Hills).
Hemithea ochrolauta (Warren, 1894). India: Uttarakhand, Nagaland; Bhutan.
Hemithea tritonaria (Walker, 1863). India: Meghalaya (Khasi Hills), Nilgiris, Karnataka, Tamil Nadu.
Hemithea wuka (Pagenstecher, 1886).India: Nilgiris.
Hemithea insularia profecta Prout, 1933. Listed as synonym of Hemithea melalopha in MOB. But Plotkin et al 2020 lists both Hemithea insularia and Hemithea melalopha as valid species in their checklist of Geometrinae.
There are reports of Hemithea costipunctata (Moore [1868]) from India (Sondhi et al. 2016; Dey et al. 2018), but Lepindex treats Hemithea costipunctata as a synonym of Hemithea marina (Butler, 1878) and Plotkin et al. 2020 do not list Hemithea costipunctata as a valid species in their global checklist of Geometrinae.
Photo Gallery and Species Biology
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| State | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | No date |
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| Kerala | 1 | ||||||||||||
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| Uttar Pradesh | |||||||||||||
| Uttarakhand | 1 | ||||||||||||
| West Bengal | |||||||||||||
| Total | 1 | 1 |
Hemithea tritonaria (Walker, [1863]): Flemingia macrophylla (Fabaceae) (Robinson et al. 2010).
- OD: Thalassodes tritonaria Walker, 1863. List Lep. Ins. B. M. 26: 1560.
- Hampson, G. F. 1895. The Fauna of British India including Ceylon and Burma. Moths, Vol.3. Taylor & Francis, London. Noctuidae (cont.) to Geometridae 546 p - 226 figs. Pg. 491, # 4059.
- Iyer, G., D. Stüning & S. Sondhi. 2021. An inventory of geometrid moths (Lepidoptera: Geometroidea: Geometridae) of Kalakad-Mundanthurai Tiger Reserve, India. Journal of Threatened Taxa 13(13): 19887–19920. 7105.13.13.19887-19920. Pl.5: 79.
- https://www.inaturalist.org/taxa/126723-Hemithea-tritonaria
- http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=92185 [accessed 15 October 2019]
- http://www.jpmoth.org/Geometridae/Geometrinae/Hemithea_tritonaria.html [accessed 15 October 2019]
Page citation
Anonymous 2025. Hemithea tritonaria (Walker, [1863]) – . In Sondhi, S., Y. Sondhi, R.P. Singh, P. Roy and K. Kunte (Chief Editors). Butterflies of India, v. 3.9. Published by the Indian Foundation for Butterflies. URL: https://mothsofindia.org/hemithea-tritonaria, accessed 2025/04/24.