''Pycnarmon radiata'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

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

. It was described by William Warren in 1896. It is found in

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

and

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is 28 mm. The forewings are white, with a faint ochreous tinge and a minute black dot at the base of the costa, a black spot on the median near the base and another on the inner margin further from the base. There is also a black spot on the costa at one third, from which the first line runs vertical to the inner margin. There is a small black dot in the cell and a large black spot at the end, a black streak runs from below the small dot to the inner margin before the anal angle, another from below the discal spot to the hind margin above the anal angle. There is a row of black marginal spots increasing in size as they approach the anal angle. There is a thick black outer line from the costa beyond two thirds. The hindwings have a large black discal spot, with a smaller one nearer the base, and a black postmedian line forming two large curves, one round the cell, the other below it, to a black spot on the inner margin.

References

Spilomelinae Moths described in 1896 Moths of Asia {{Spilomelinae-stub