86 ILLISOIS BIOLOGICAL MONOGRAPHS [480 



PLATE VIII 



Figures ioi-iio. Showing the development of pigment in the legs and body 

 of C. tranguebarica, Herbst. 



Explanation of Plate 



Figures loi-iio. Showing the pigment beginning at the posterior end of the 

 body and moving forward except the trochanters which are pigmented at emer- 

 gence; loi, 3 to 6 hours after emergence; 102, 8 to 12 hours; 103, 12 to 15 hours; 

 104, 24 to 36 hours. A, anterior band of pigment on the segment; /, the posterior 

 band of the segment; aa, the large central anterior area — compare with figure 105. 



Figs. 105-108, showing the development of pigment in the dorsal side of the 

 abdomen; 105, at emergence, showing the large dorsal spots beginning of tlie 

 posterior segments ; 105a, after 3 to 6 hours, showing the fusion of the spots 

 toward the center ; 106, 8 to 10 hours after emergence, showing the nearly com- 

 plete abdominal pigment, the beginning of the pigmentation of the thorax, and 

 the lines on the head; 107, showing the increase in the head and thoracic regions 

 at 12 to 15 hours after emergence; 108, showing the dorsal side of the head and 

 thorax after 24 to 36 hours; 109 o to d, the antenna; 3 hours after emergence; 

 h, 6 hours after emergence; c at 8 to 10 hours after emergence; d, 11 to 15 hours 

 after emergence; c, 24 hours after emergence; no, a, showing the hind leg three 

 days after emergence; b. at emergence; c, after 6 to 8 hours; d, 12 hours after 

 emergence. 



