FIGURES 1–10 in Revision of Beardius Reiss et Sublette, 1985 (Diptera: Chironomidae), with the description of twenty new species

FIGURES 1–10. Variation in the median volsella (mv) and the basal lobe of the inferior volsella (bl) in male Beardius. 1–3— hypopygium, dorso-ventral view; 4–8—hypopygium, lateral view, 9–10—inferior volsella with basal lobe. — 1—B. phytophilus Trivinho-Strixino et Strixino; 2—B. phoenix sp. n.; 3—B. lingulatus Andersen et Saether; 4—B. arawak sp. n.; 5— B. novoairensis sp. n.; 6—B. urupeatan Pinho, Mendes et Andersen; 7—B. phoenix sp. n.; 8—B. dioi sp. n.; 9—B. bizzoi sp. n.; 10—B. mileneae sp. n. — (3—redrawn after Andersen & Saether (1996); 6—redrawn after Pinho et al. (2009)).