Fig. 2From: Morphology, histology, and chemistry of the wings of Tribolium castaneum and Tribolium confusum (Coleoptera: Tenebrionidae)Scanning electron microscope (SEM) images of elytral microstructure, dorsal surface of a–c Tribolium castanaeum and d–f Tribolium confusum showing the opening of gland (head arrow) and trichoid sensillaBack to article page