FIGURE 4 in Diversity of culicomorphan dipterans in the Eocene Kishenehn Konservat-Lagerstätte (Montana, USA) and its palaeoecological implications

FIGURE 4. Representatives of Chironomidae cf. Psectrotanypus. Male pupa and larva. USNM 624474.1. A, Habitus of the pupa. B, Male genitalia (hypopygium). C, Head capsule of the larva attached to the abdomen of the pupa. D, Schematic drawing of the larval head capsule. Abbreviations: gl, gula; md, mandible; os, occipital sclerite; ts, pit of tentorium.