dorsal gland orifice
From ZooTerms (Dictionary of Invertebrate Zoology)
2. (Arthropoda: Insecta) In Diaspididae, disc pores and ducts for wax production on the surface of the pygidium.
2. (Arthropoda: Insecta) In Diaspididae, disc pores and ducts for wax production on the surface of the pygidium.