Fig.2 in Technological Aspects Of Keeping Dytiscus Latissimus Linnaeus, 1758 (Coleoptera: Dytiscidae) In Laboratory Conditions

Fig.2. Scheme of aquarium installation with a closed water circulation for keeping D. latissimus (in a winter mode of activities). A – front view; B – side view. a – warm laboratory; b – cold laboratory; c – outside environment I – second storey of aqua-terrarium; II – first storey of aqua-terrarium; III – sump and biological filter. 1 – wall of a building (width 550 mm); 2 –ventilation aperture (120mm in diameter); 3 –platstic ventilation pipe (100 mm in diameter); 4 – Seasonal thermo-insulation