80 



INJURIOUvS INSECTS OF 1904. 



INSECTS AFFECTING MELONS, SQUASHES AND 

 CUCUMBERS. 

 A. Attacking the Leaf: 



I. Small green bugs on under side of melon leaves. 

 MELON LOUSE. 



Fig. yy. — Aphis cucumeris, Forucs. Winged vwiparons female. After Smith. 

 Remedy: If melon patch is very small, spray under side of leaves with 

 kerosene emulsion (1-12), or dust under side of leaves with pyrethrum. 

 Whether the patch be large or small, destroy all old vines and rubbish on 

 melon patch, and plant some crop other than melons or cucumbers there the 

 following season. Frequently the attacks of this louse are not of long dura- 

 tion. Parasites kill many. 



2. A brownish bug about ^4 inch long on leaf. 

 TRUE SQUASH BUG. 



Fig. 78. — Atiasa tristis, De G. : a, mature female; b, side view of head, showing heak; 

 c, abdominal segments of male; d, same of female; — a, twice natural size; b, c, d, slight- 

 ly more enlarged. After Chittenden, Div. of Entomology, Dep. of Agriculture. 



