Figure 2 from: Ren D, Shih C, Yang X, Labandeira C (2011) A new long-proboscid genus of Pseudopolycentropodidae (Mecoptera) from the Middle Jurassic of China and its plant-host specializations. ZooKeys 130: 281-297. https://doi.org/10.3897/zookeys.130.1641

Figure 2 - A Head, proboscis, and associated mouthparts B Mouthpart detail enlarged from template in A, showing base of proboscis (Pr), the tips of both labial palps (LP) at white arrows, labrum (La), and compound eye region (CE) C Right antenna D Proboscis tip, observed through the wing membrane E Camera lucida drawing of head, proboscis and associated mouthparts in A using a variety of light sources and angles. Scale bars: stippled, 0.1 mm; striped, 1.0 mm.