''Calamotropha punctivenellus'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

in the family

Crambidae The Crambidae are the grass moth family of lepidopterans. They are variable in appearance, the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies includ ...

. It was described by

George Hampson Sir George Francis Hampson, 10th Baronet (14 January 1860 – 15 October 1936) was an English entomologist. Hampson studied at Charterhouse School and Exeter College, Oxford. He travelled to India to become a tea-planter in the Nilgiri Hills ...

in 1896. It is found in

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 ...

Description

Its wingspan is 20 mm and it is a white colored moth. Palpi fulvous at sides. Thorax and abdomen irrorated (sprinkled) with brown. Forewings with interspaces suffused with brown scales, leaving the base of the cell and the costal area white. A black spot found at the origin of vein 2. An oblique medial brown striga from costa. A marginal black line somewhat maculate (spotted) at the veins. Hindwings white.

References

Crambinae Moths described in 1896 {{Calamotropha-stub