House fly
bluntly rounded ends, about 8 mm long and change in colour from yellow to red, to brown, to black as the pupa ages. New adult flies will emerge as early as two [...] and home. Believed to have originated in central Asia, the insect expanded its range worldwide long ago as a commensal organism to human populations; the [...] nuisance and a risk for disease transmission. High-density housing systems and abundant manure production create the ideal conditions for maggot development