Four patterns of salivary chromosomes of Chironomus plumosus, C. thummi, Micropsectra logana and Polypedium nubeculisium were found and graphed.

• 对羽摇蚊、似背摇蚊、罗甘小突摇蚊、云斑多足摇蚊等4个种的唾腺染色体作了模式图。