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''Callionima nomius'', the fan-tailed bark moth, is a moth of the family Sphingidae. The species was first described by Francis Walker in 1856.


Distribution

It is found from Mexico and Central America to the north-western half of South America.


Description

The wingspan is 70–80 mm. It is immediately distinguishable from all other ''
Callionima ''Callionima'' is a genus of moths in the family Sphingidae first described by Hippolyte Lucas in 1857. Species * ''Callionima acuta'' (Rothschild & Jordan, 1910) * ''Callionima calliomenae'' (Schaufuss, 1870) * ''Callionima denticulata'' (Scha ...
'' species by the forewing upperside pattern and hindwing upperside colour. The forewing upperside is deep brown with a pale brown triangular patch on the costa and a silver discal spot represented only by a minute dot. The hindwing upperside is dark brown with a buff base. Callionima nomius MHNT CUT 2010 0 348, Pk2 Guyane male dorsal.jpg, Male dorsal Callionima nomius MHNT CUT 2010 0 348, Pk2 Guyane male ventral.jpg, Male ventral Callionima nomius MHNT CUT 2010 0 337 Napo Ecuador female dorsal.jpg, Female dorsal Callionima nomius MHNT CUT 2010 0 337 Napo Ecuador female ventral.jpg, Female ventral


Biology

Adults are on wing year round. Adults nectar at flowers, including ''
Nicotiana forgetiana ''Nicotiana'' () is a genus of herbaceous plants and shrubs in the family Solanaceae, that is indigenous to the Americas, Australia, Southwestern Africa and the South Pacific. Various ''Nicotiana'' species, commonly referred to as tobacco plant ...
''. The larvae probably feed on Apocynaceae species, possibly including ''
Aspidosperma macrocarpa ''Aspidosperma'' is a genus of flowering plant in the family Apocynaceae, first described as a genus in 1824. It is native to South America, Central America, southern Mexico, and the West Indies The West Indies is a subregion of North A ...
''.


References

N Moths of Central America Sphingidae of South America Moths described in 1856 Taxa named by Francis Walker (entomologist) {{Dilophonotini-stub