Fig. 4From: Scanning electron morphological studies of Tribolium confusum Jacquelin du Val (Coleopteran: Tenebrionidae) a Higher magnification of the mouth parts showing the maxilla which its base consists of two segments, the cardo, and the stipes. The lacinia is short with bidentate apical. The maxillary palp consists of four segments. b Higher magnification of the distal palp segment which is elongated and terminate in a field of sensory receptorsBack to article page