FIGURES 4–6 in A comparative description of the larvae of Psychomyia pusilla (Fabricius 1781), Metalype fragilis (Pictet 1834), and Paduniella vandeli Décamps 1965 (Trichoptera: Psychomyiidae) and comments on the larvae of other species belonging to these three genera

FIGURES 4–6. Psychomyiidae spp., heads of instar V larvae, left lateral. (4) Psychomyia pusilla, sm = submental sclerites; (5) Metalype fragilis (larva from English populations); (6) Paduniella vandeli. The image of Pad. vandeli has been enlarged to facilitate comparison.