3.1.2 Labial palpus
The length and basal width of the mandibles of females were significantly more developed than those of males, but there was no significant difference in basal thickness. Figure 1 shows that the length and width of the female labial palpus are different from those of males. The basal segment 1 of the labial palpus is shorter, the terminal segment is expanded and conical at the top, and the base of each segment forms an articulated structure that is embedded within the terminal part of the preceding segment, and it is flexible, soft and bendable (Table 2).
Table 2 Lengths and base widths of labial palpus of both sexes in G. cantor