58 



DISTRIBUTION AND DISPERSION OF LEPTINOTARSA. 



TaBI^E 2.\. 



-Distribution of Leptinotarsa by Groups in the Four Chief Types of Grassland 

 Habitats within the Topographic Areas given in Table 2. 



Faunal areas and | Uneata j Dilecta 

 habitats. | group. j group. 



i 



Haldemani 

 group. 



Lacerata 

 group. 



Flavopustulata 

 group. 



CENTRAL AMERICAN. 



Guatemala -Chiapas 

 Plateau : 

 ' Savanna 



undecimlineata. i Kxact habitats notknowi 



1 in this area. 

 





• Semi-desert 





Oaxaca-Guerrero 

 highlands: 

 Savanna undecimliueata.i dilecta. 



libatrix. 

 dahlbomi. 



dahlbomi. 



lacerata. 



1 



1 Semi-desert 



oblongata. novemlineata. 



! obliterata. 

 1 . 





i Pacific slope : 





















1 



Atlantic slope : 







violescens. 

 hogei. 

 libatrix. 

 dahlbomi. 







1 



Steppe 



obliterata. 

 1 cacica. 







Semi-desert 



i 



dahlbomi. 



dahlbomi. 

 dahlbomi. 







Yucatan : 



1 



heydeni. 





Semi-desert 









NORTH AMERICAN. 



Mexican escarpment : 

 Humid eastern slope: 

 Meadow 





calceata. 



obliterata. 



cacica. 





1 





undecimlineata. 









Steppe 





















Moist southern slope: 

 Savanna 







signaticoUis. ! dilecta. 

 oblongata. j 



haldemani 



lacerata. 







' Semi-desert 



j 



dahlbomi. 



haldemani 

 dahlbomi. 

 dahlbomi. 







Dry western slope : 

 Savanna 



signaticoUis. dilecta. 

 oblongata. 





. . 



1 



^p m i-H fs^prf 



::::::::;: 



dahlbomi. 



) Not f 

 /known.' 





Pacific lowlands : 



diversa. 





1 



i 



Stenn" 







1 



Semi-de'»ert 











1 



Gulf lowlands : 



Savanna 



undecimlineata. 









1 

 1 









1 















South mesa : 



Savanna 



multitccniata. dilecta. dahlbomi. 



modesta. 



stili. 



^tpnnp 



melanothorax. 





dahlbomi. 

 dahlbomi 



Qpini-rlpcprf 



melanothorax. 

 rubicunda. 



multitseniata. 

 melanothorax. 









North mesa : 





dahlbomi. 



puncticoUis. 













*-T7T-ir»o-va r>Vi-ii-«Q I HaVilVintni 







Great Plains : 



1 



dahlbomi. 







m'pnnp 



decemlineata. 



















Atlantic Coastal Plain: 







juncta. 

 defecta. 

































1 



1 









