98 



VARIATION IN I^EPTINOTARSA. 



Table 34- — Place variation in the epicranium, pronotum, elytra, size of males and fe^ 

 males, and ventral surface of abdominal segments of L. decemlineata at Chicago, Cook 

 County, Illinois. 



(A) PLA.CE VARIATION IN THE EPICRANIUM. 



Year. 



Geuer- 

 ation. 



Class. 



I 

 I 



I 



2 



9 



4 



19 



4 



3 



I 

 4 



3 



38 



11 



19 



2 



6 



5 



17 



4 



41 

 50 



26 

 40 

 10 

 10 

 t8 

 48 



5 



9 



21 



8 

 21 



17 

 20 

 52 



19 



6 



2 



6 



2 



6 



35 



39 



20 



8 



7 



4 

 21 



19 



4 

 3 



8 



3 



II 



2 



I 



9 

 2 



4 



10 



I 



II 



12 



13 



14 



15 



1902. { 



1903- { 

 1904. 1 



1905- { 



I.... 



2 



I 



2 



I 



2 



I. . . 

 2 









(B) 



PLACE VARIATION IN 



THE PRONOTUM. 











£902. 1 



I. . . . 











. . 



2 



8 



20 



49 



17 



4 











2. . . . 





, . 









I 



3 



20 



40 



29 



7 



. . 



. . 



. , 





1903- { 



I.... 









I 



2 



6 



10 



45 



21 



8 



4 



2 



I 







2 













. . 



4 



19 



41 



20 



6 



4 



3 



2 



I 



1904. { 



I 











. • 







2 



10 



IS 



37 



20 



12 



4 



. . 



2 



. . 



. . 





2 



I 



2 



3 



6 



10 



T9 



30 



19 



4 



3 



I 



1905. { 



I 















I 



5 



17 



52 



21 



4 









2 



•• 







" 



*' 



•• 



3 



18 



40 



27 



8 



2 



I 



I 



•• 









(C) PLACE VARIATION IN THE ELYTRA. 













1902. 1 



I.... 











I 



I 



9 



29 



40 



16 



4 











2 









I 



4 



19 



39 



30 



6 



I 













1903- { 



I.... 









2 



5 



II 



45 



20 



9 



.^ 



.^ 



I 



. . 







2 ... 



. . 









I 



3 



18 



42 



21 



5 



4 



3 



2 



I 





1904. 1 



I.... 











. , 





2 



9 



T4 



37 



20 



10 



6 



2 





2.... 





I 





I 



2 



4 



5 



9 



18 



32 



18 



5 



3 



I 





1905. { 



I 















I 



6 



15 



53 



20 



4 



I 







2 



•• 



•• 



•• 





I 



2 



18 



47 



20 



7 



3 



I 



I 









(D 



PLACE VARIATION IN 



SIZE OF 



MALES AND 



PEMALES. 









Year. 



Gener- 

 ation. 



Sex. 



Class. 



I 



2 

 2 



I 



2 



8 

 7 

 3 

 I 

 18 

 10 



5 



I 



2 



3 



I 



3 



3 



30 

 31 

 20 



46 

 40 



18 



4 



I 



5 

 6 



5 



16 



4 



4 



49 

 48 

 50 



18 

 20 



30 

 36 



17 

 II 



14 

 II 

 10 

 18 

 I 

 49 

 17 



5 



8 



7 

 20 



51 

 14 

 14 

 25 



39 



15 

 13 

 19 

 18 

 50 



23 

 18 

 54 



6 



3 



5 



7 



19 



2 



4 

 6 

 24 

 37 

 32 

 40 

 40 

 22 

 45 



9 

 18 



7 



'7 

 2 



3 



12 

 20 



24 

 16 

 12 



3 



27 



2 



6 



8 



. . 



3 

 2 



12 



12 



5 



6 



I 



4 



I 

 I 



9 



4 



I 



4 

 5 



5 



I 



10 



II 



12 



13 



1902. - 

 1903. 

 1904. 

 1905- 





Male. . . 

 Female. 

 Male... 

 Female. 

 Male... 

 Female. 

 Male... 

 Female. 

 Male .. 

 Female. 

 Male... 

 Female. 

 Male... 

 Female. 

 Male... 

 Female. 



