The present study deals with taxonomic features of Chironomus plumosus collected from Aurangabad district Maharashtra. Morphological and karyological characters confirm the species Chironomus plumosus belonging to subfamily Chironominae of family Chironomidae. Larvae of present specimen show mentum with 12 lateral teeth, mandible with three dark inner teeth and caudolateral tubules at posterior abdominal region. The antennae are retractile. The polytene chromosomes 2n=8, AB, CD, EF and G (thummi cytocomplex). The chromosome AB, CD, are submetacentric; EF are metacentric and chromosome G is telocentric.