Opazon incrassatum (Thomson, 1859)

Rechnitzer, George, 2021, The improvement of heavy vehicle design to reduce injury risk in crashes with other road users, Russian Entomological Journal 30 (1), pp. 78-83 : 82

2. Opazon incrassatum (Thomson, 1859)

Figs 2 , 8 , 10 , 15, 18 .

Belyta (Opazon) incrassata Thomson, 1859 .

MATERIAL EXAMINED. Russia. ♂ ( ZIN): Komi Republic, Seyda River , estuary, 13.VIII.1972, D. Kasparyan leg. ; ♀ ( ZIN): Perm’ Prov., Kamenka Village , 18. VI.1962, A. Ponomorenko leg.

VARIATIONS. No distinct variation of the morphological characters was found in the studied specimens.

DISTRIBUTION. England, Sweden, Finland, Czech Republic, Hungary, * Russia (European Part).

Figures

Figs 1–4. Opazon spp., head in frontal view (females): 1 — O. apertum; 2 — O. incrassatum; 3 — O. frigidum; 4 — O. parvulum. Scale bars: 0.2 mm. Рис. 1–4. Opazon spp., голова спереди (самки): 1 — O. apertum; 2 — O. incrassatum; 3 — O. frigidum; 4 — O. parvulum. МасШтаб: 0,2 мм.

Figs 5–8. Opazon spp., female antennae: 5 — O. apertum; 6 — O. frigidum; 7 —O. parvulum; 8 — O. incrassatum. Scale bars: 0.2 mm. Рис. 5–8. Opazon spp., антенны самок: 5 — O. apertum; 6 — O. frigidum; 7 —O. parvulum; 8 — O. incrassatum. МасШтаб: 0,2 мм.

Figs 9–12. Opazon spp., male antennae: 9 — O. apertum; 10 — O. incrassatum; 11 — O. frigidum; 12 — O. parvulum. Scale bars: 0.2 mm (9, 12), 0.5 mm (11, 12). Рис. 9–12. Opazon spp., антенны самцов: 9 — O. apertum; 10 — O. incrassatum; 11 — O. frigidum; 12 — O. parvulum. МасШтаб: 0,2 мм (9, 12), 0,5 мм (11, 12).

Figs 13–19. Opazon spp.: 13–14 — O. frigidum; 15, 18 — O. incrassatum; 16, 19 — O. parvulum; 17 — O. apertum; 13–15, 17, 19 — lateral habitus; 16, 18 — head in dorsal view. Scale bars: 0.2 mm (16, 18), 1.0 mm (13–15, 17, 19). Рис. 13–19. Opazon spp.: 13–14 — O. frigidum; 15, 18 — O. incrassatum; 16, 19 — O. parvulum; 17 — O. apertum; 13–15, 17, 19 — габитус сбоку; 16, 18 — голова сверху. МасШтаб: 0,2 мм (16, 18), 1,0 мм (13–15, 17, 19).