Zavreliella

In the Diptera/Chironomidae family/chirononominae subfamily. we find Zavreliella subgroup or tribe. Zavreliella Kieffer larva builds a transportable case as some Trichoptera larvae. In the chironominae subfamily we find also Lauterborniella which are case-bearers too. But for Lauterborniella the entrance is slit-like and not circular as you will see for Zavreliella. Size 4mm long. Antenna with 6 segments Lauterborn organs large, alternate on apex on 2nd