Fig. 4From: Metamorphic development of the olfactory system in the red flour beetle (Tribolium castaneum, Herbst)Metamorphic development of the T. castaneum antennae and antennal lobes. The upper row visualizes the location of the OSNs (magenta) within the antennae and head capsule, while the lower row displays the OSN axons and their arborizations within the ALs, as well as the state of AL glomerulization. LL - last larval instar, PP - prepupaBack to article page