150 



GARDEN FOES. 



as the "Collier," "Black Fly," and "Black Dolphin." 

 It belongs to the Greenfly family, but we deal with it sepa- 

 rately because of its great importance. The young Aphides 



ASPAllAGlS BE,BTLR AND LARVA. 



are slatey-grey in coloiu% and the female and male of a 

 blackish hue. The Aphides will be found swarming in 

 clusters on the ])()ints of the ishootis, and, if uimiolested, 



IJKAN A THIS (APHIS FAB.E), 

 A, nialo, aiul B itniale aphis; natural size and ning:iiifio(l. 



will spt'i'dily cover them with a sticky juice, filthy to 

 handle, and decidedly detrimental to the ])lant. The 

 A})hi(les increase very rapidly, and will soon <it'stroy the 

 plants and the prospects of a crop. 



