Explanation of Plate 15. 



Figs. 1 to 8 illustrate variations in color pattern on the epicranium of L. multiiceniata . 

 All from specimens taken at Guadalupe, Federal District, Mexico. 



Figs. 9 to 11 illustrate variations in color pattern on the epicranium of L. undetimlineata. 

 All from specimens taken at Tierra Blanca, Vera Cruz, Mexico. 



Figs. 12 to 16 illustrate variations found in color pattern of epicranium of L. decemlineata. 

 All from specimens taken at Chicago, Illinois. 



Figs. 17 to 24 illustrate the variations found in color pattern of ventral surface of abdom- 

 inal segments in L. multitceniata. All from specimens taken at Guadalupe, Federal 

 District, Mexico. 



Figs. 25 to 29 illustrate variations in color pattern of ventral surface of abdominal seg- 

 ments in L. decemlineata. All from specimens taken at Chicago, Illinois. 



Figs. 30 to 32 illustrate reduction of pigment on the ventral abdominal surface in L. un- 

 detimlineata. All from specimens taken at Tierra Blanca, Vera Cruz, Mexico. 



Figs. 33 to 40 illustrate variations in color pattern of ventral surface of thoracic seg- 

 ments in L. multittzniata. All from specimens taken at Guadalupe, Federal District, 

 Mexico. 



Figs. 41 to 44 illustrate variations in color pattern of ventral surface of thoracic segments 

 in L. decemlineata. All from specimens taken at Chicago, Illinois. 



Figs. 45 to 52 illustrate variation in color pattern of the legs in L. multitceniata. All 

 from specimens taken at Guadalupe, Federal District, Mexico. 



Figs. 53 to 57 illustrate variation in color pattern of mature larvse of L. multiiceniata, 

 from Guadalupe, Federal District, Mexico. 



Figs. 5S to 62 illustrate variation in color pattern of mature larvae of L. decemlineata, 

 from McPherson, Kansas. 



Figs. 63 to 67 illustrate variation in color pattern of mature larvst of L. signalicollis, from 

 Cuernavaca, Morelos, Mexico. 



