''Oryzaephilus acuminatus'', is a species of silvan flat bark beetle native to

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

and

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

The species is very similar to saw-toothed grain beetle, ''

Oryzaephilus surinamensis ''Oryzaephilus surinamensis'', the sawtoothed grain beetle, is a beetle in the superfamily ''Cucujoidea''. It is a common, worldwide pest of grain and grain products as well as chocolate, drugs, and tobacco. The species's binomial name, meaning " ...

'' and the merchant grain beetle, ''

Oryzaephilus mercator ''Oryzaephilus mercator'', the merchant grain beetle, is a small, flattened beetle about 2.5mm in length. It is a common, worldwide pest of grain and grain products as well as fruit, chocolate, drugs, and tobacco. The biology of ''O. mercator'' i ...

''. Male is about 3.7 mm and female is about 3.5 mm in length. Adults are dark brown to black. Body is more elongate and covered with recumbent golden setae. Pronotum in large males. Lateral ridges and anterior pronotal angles are strongly developed. Larvae resemble the ''O. surinamensis''.

Distribution

The natural range of the animal is known to be India and Sri Lanka. In England, the species was imported on coconut shells. The species was originally not found in the United States. However, on 11 January 1983, some beetles were discovered in the storage area in Fort Myers, Florida, which stored ''

Azadirachta indica ''Azadirachta indica'', commonly known as neem, nimtree or Indian lilac, is a tree in the mahogany family Meliaceae. It is one of two species in the genus ''Azadirachta'', and is native to the Indian subcontinent and most of the countries in Afri ...

'' imported from India to use as insecticides.

References

Silvanidae Insects of Sri Lanka Insects of India Insects described in 1980 {{Silvanidae-stub