Fig. 7 in The ecological role of immature phantom midges (Diptera: Chaoboridae) in the Eocene Lake Messel, Germany

Fig. 7. Fossil structures: (A) pair of caudal hooks, remains of a chaoborid larva; (B) T-shaped bases of setae of an anal fan, remains of a culicoid larva; (C) paddle with supporting midrib, remains of a Chaoborus pupa. Transmitted-light microscopy. Scale bars 25 µm.