Fig. 4 The ultrastructural of labial palpus of both sexes of G. cantor
A, Labial palpus of female beetle; B, Sensilla on 3rdof labial palpus of female beetle; C, Sensilla styloconica on 3rd of labial palpus of female beetle; D, Labial palpus of male beetle; E, Sensilla on 3rd of labial palpus of male beetle; F,Sensilla styloconica on 3rdof labial palpus of male beetle.Scale bars: A, D = 300 μm, B, E = 50 μm, C, F = 10 μm.