4-17 4-18













 4-19 4-20 4-21

Figure 4-17. Antenna of C. nigritulus.

Figure 4-18. Median lobe, dorsal view, of C. nigritulus.

Figure 4-19. Median lobe, dorsal view (slide mounted), of C. nigritulus.

Figure 4-20. Median lobe, lateral view, of C. nigritulus.

Figure 4-21. Basal plate, ventral view, of C. nigritulus.