iul. 903, U. S. Dept. of Agriculture 



Plate VIII. 



JJZ 



The Grape Phylloxera in California. 



Phylloxera vitifoliae: a-e, Winged migrant; a, dorsal view; 6, antenna; c, basal sensorium of 

 antenna! segment III; d, hind leg; e , beak;/, male egg; g, radicicole egg; h, i, female eggs; 

 j, k, I, sexed female; j, enlarged ventral vie^ showing contained winter egg; k, antenna; 

 I, newly hatched female; m, mature male just after casting last skin. 



