''Ponometia erastrioides'', the small bird-dropping moth or small bird lime moth, is a moth of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. It is found in

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

, where it has been recorded from the eastern United States and south-central Canada ( Quebec, Ontario, Saskatchewan). The habitat consists of fields, waste places and riparian areas. The wingspan is 16–20 mm. The forewings are white with large diagonal blackish patch in the distal half. The hindwings are whitish, basally with greyish-brown shading distally. Adults are on wing from May to September. The larvae feed on ''

Ambrosia In the ancient Greek myths, ''ambrosia'' (, grc, ἀμβροσία 'immortality'), the food or drink of the Greek gods, is often depicted as conferring longevity or immortality upon whoever consumed it. It was brought to the gods in Olympus ...

'' species. They are tan to nearly black or sometimes pale green. Full-grown larvae reach a length of 25 mm.Bug Guide
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References

Moths described in 1852 Acontiinae {{Acontiinae-stub