FIGURES 20–24, Lithax musaca Malicky 1972 in The larvae of Silo chrisiammos Malicky 1984 and Lithax musaca Malicky 1972 (Trichoptera: Goeridae), including a key to the Goeridae larvae of the Eastern and Hellenic western Balkan regions

FIGURES 20–24, Lithax musaca Malicky 1972, prepupa: 20, head, ventral; 21, pronotum, right dorsolateral (d = pronotal dent with honeycomb sculpturing; n = nose-shaped central hump); 22, pronotum, right posterolateral (arrow = posterior end of central hump descending to pronotal surface at caudal pronotal border); 23, left pronotal dent, detail of honeycomb pattern; 24, head, thorax and anterior abdomen, dorsal (numbers 1–4: arbitrarily assigned sclerite numbers on meso- and metanota). Scale bars: 1 mm (Figs. 21, 22, 24) and 0.5 mm (Figs. 20, 23).