Vol. VlII] ESSIG & KUIVAXA—SOME JAPANESE APHIDIDJE 



69 



^*^''" EOE del. 



Figure IS.— Aphis gossypii Glover. Cornicles greatly enlarged 



6. On Nasu, Solamim melon gena Linn., and on Kiuri (cu- 

 cumber), Cuciimis sativus Linn., Tokyo, June 20, 1913. 

 Collection number 90. Occasionally very injurious to these 

 hosts. On some of the winged females there are one or 

 two sensoria on article IV of the antennae, which is not at 

 all normal. 



7. On Kiuri (cucumber), Cucumis sativus Linn., Nishiga- 

 hara, Tokyo, June 28, 1913. Collection number 92. These 

 are mostly typical, but cornicles are long and some have 

 one or two sensoria on antennal article IV. 



8. On potato, Nishigahara, Tokyo, June 28, 1913. Collec- 

 tion number 93. 



