GieoGRAPHICAI. VARIATION. IO9 



Table 42. — Geographical variation in the ventral surface of Leptinotarsa. 



Class.... 



Per cent of frequencies. 



No. 

 of 

 gen- 

 era- 

 tions. 



I 



2 



3 



4 



5 



6 



7 



8 



9 



10 



II 



12 



13 



14 



15 



16 



17 



18 



19 



20 



L. multitcBniata : 



















I 



I 

 3 

 3 

 2 

 2 



I 

 8 



3 



I 

 I 

 I 



IQ 

 18 



43 

 51 



I 



5 

 22 

 21 

 20 



7 

 3 

 3 



7 



41 

 43 



23 

 22 



I 



44 

 43 

 43 



21 



30 

 26 

 22 



23 

 22 



7 



2 



40 



17 



48 

 48 

 50 

 53 



I 

 I 



18 



7 

 14 



17 

 18 

 17 



2 

 2 



4 

 2 



I 

 I 

 3 

 I 

 2 

 I 



I 

 I 



3 



I 



I 



I 



I 



6 

 5 

 4 

 3 

 5 

 4 

 2 

 4 



I 

 4 

 2 

 5 



/I 

 5 



I 

 2 



4 

 5 

 7 

 3 

 2 

 2 

 5 

 4 

 6 

 16 

 6 

 4 



7 

 2 



4 

 5 

 7 

 2 

 2 



6 

 5 

 3 

 4 

 4 

 3 



7 

 2 

 2 



Tacubaya 



















San Augel 



























Tlalnepantla 

















I 



I 

 I 









Puebla . 























Mataiuoros 









' 

















Atlixco. 































Toluca 































L. oblongata: 



Oaxaca 

















I 

 I 





5 

 6 

 19 

 19 



I 









Puebla ... 























Matamoros 

























Cuernavaca 

















I 













L. rubicunda : 



Toluca . . 

















12 



60 



20 



4 









L. melanothorax 























I 



2 



97 



L. intermedia : 



Jalisco 















I 

 5 



I 



I 



12 



3 

 2 



9 



b 



7 



;? 



8 

 II 

 10 

 8 

 50 

 21 

 5 

 3 

 9 

 10 

 9 



4 

 60 

 51 



15 

 12 



5 



4 

 6 



5 

 22 



a 



43 



18 



16 



7 



6 



I 









San Luis Potosi 













I 



9 

 2 



22 

 46 



13 















L. decemlineata : 



5 

 8 



6 

 10 



I 



12 

 40 



2 

 2 



I 



4:3 



32 



10 



4 

 2 



1 

 45 



II 



3 

















New^ Mexico 





























Western Texas 



7 



10 

 20 



8 



A 



18 



43 



18 

 16 

 16 

 18 

 20 

 7 

 2 



10 

 16 

 16 

 16 



2 



14 



12 



13 



30 



41 



43 



20 



19 



43 

 45 

 45 

 40 



8 

 4 

























Eastern Texas 

































Is 



22 

 20 

 21 



5 

 4 



20 

 20 

 21 

 25 



3 

 3 



I 

 38 

 41 



8 

 5 

 4 

 3 

 4 



4 

 5 

 4 

 5 



I 

 I 





















Florida 







7 

 8 



I 



2 

 I 













































Virginia 



I 



I 



2 



3 



2 

 2 



I 

 3 

 4 



2 



I 

 I 

 I 



45 



3 



5 

 4 



1 



3 

 2 

 I 

 2 



12 

 51 



19 



































Eastern Massachusetts 









I 

 I 

 2 



I 

























I 



I 

 I 



I 



















Nova Scotia 























Ontario and western New 

 York 

























Northern Ohio 

























Northern Illinois 









1 



I 

 I 



















Wisconsin 

























Dakota 









I 

 4 

 17 

























I 



10 





















Kansas 





2 





















Southern Illinois 



17 

 43 

 41 

 40 



44 



18 

 19 

 20 



21 



i 



6 



4 

 4 

 2 

 2 



I 

 I 







1 







! 















2 



3 

 6 

 4 



22 



15 



16 



60 



58 

 II 

















































I 

 19 



I 

 50 



I 

















L. juncta : 



Virginia 



I 





! 























i; 5 



61 20 

 1960 



60 3 



1853 



601 6 



18 

 18 

 2 



I 



1 

 9 















1 











Florida 









3 





























I 



3 

 4 



25 

 17 

 21 























Louisiana 































Eastern Texas 





I 



8 

 10 

 9 



























/,. defecta : 



Middle and western Texas. 

 Indian Territory 



4 

 2 

 -i 



















1 











I 

 2 































Southeastern Colorado .... 































































Table 43. — Geographical variation in the color of the elytra of L. dilecta, calceata, and 



lineolata. 



Class... 



Per cent of frequencies. 



No. 

 of 

 gen- 

 era- 

 tions. 



6 



7 



8 



9 



10 



L. dilecta : 



Puebla 



2 



3 

 I 

 2 



8 

 7 



I 

 8 



I 

 2 



81 

 80 

 86 

 85 

 90 



10 

 8 

 10 



9 

 10 

 4 

 7 

 2 



80 



75 



9 

 14 

 II 



4 

 2 

 2 

 3 

 2 



3 



2 

 4 



Atlixco 



Matamoros 



Cuernavaca 



L. calceata 



L. lineolata : 



Chihuahua 





New Mexico 



I 

 I 



Arizona 





