Figs 19–21 in Contribution to the fauna of dung flies (Diptera: Scathophagidae) of Russia with a key to genera and a checklist of the Russian Scathophagidae

Figs 19–21. Head of Scathophagidae, lateral view (19, 20) and dorsolateral view (21): 19 — Spaziphora hydromyzina (Fallén); 20 — Trichopalpus nearcticus (Vockeroth); 21 — Hydromyza livens (Fabricius). Рис. 19–21. Голова Scathophagidae, сбоку (19, 20) и дорсолатерально (21): 19 — Spaziphora hydromyzina (Fallén); 20 — Trichopalpus nearcticus (Vockeroth); 21 — Hydromyza livens (Fabricius).