''Ancylolomia westwoodi'', the Westwood's grass-moth, is a moth in the family Crambidae. It was described by Zeller in 1863. It is found in Afghanistan, Iran, western Pakistan, India,

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...

, Java,

Bali Bali () is a province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller neighbouring islands, notably Nusa Penida, Nusa Lembongan, and Nu ...

, Malaysia,

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

and

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

, where it has been recorded from the Northern Territory and Queensland. It is externally indistinguishable from Ancylolomia indica, but generally darker. ''A.w.bitubirosella'' is one of the most common Crambinae in India. The wingspan is about 20 mm. The forewings are covered in brown stripes, sometimes silvery and pale pink-yellow in ''A.w.bitubirosella''. The lower forewings can vary from yellow or brown to silvery. The hindwings are white in the nominate subspecies, pale brown in ''A.w.bitubirosella''. ''Ancylolomia westwoodi bitubirosella'' is sometimes considered a distinct species, ''Ancylolomia bitubirosella'', the Indian dark grass-moth.Caterpillars (and Butterflies and Moths) of Australia
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Subspecies

*''Ancylolomia westwoodi westwoodi'' (Australia) *''Ancylolomia westwoodi bitubirosella'' Amsel, 1959 (Afghanistan, Iran, western Pakistan, India, Sri Lanka, Sulawesi, Java, Bali, Malaysia, Sumatra)

References

Ancylolomia Moths described in 1863 Moths of Asia Moths of Australia {{Ancylolomia-stub