-351* 
: SWEET POTATO 
TORTOISE BEETLES (Cassidinac) 
Indiana J. J. Davis (July 22): Larvae were reported attacking 
sweet potatoes at Shoals July 18. 
Louisiana W. E. Hinds (July 23):' The two -strip. d sweet-potato beetle, 
Metriona bivittata Say, is common on leaves, but not requiring 
control measures as a rule. 
Mississippi R. W. Harn'ed (July 23): Metriona bivittata Say was reported 
abundant on sweet potato plants at Philadelphia on June 30, 
at Lodi on July 6, and at Lena on July 11. 
SWEET-POTATO SAWFLY ( Schizocerus ebenus Wort.) 
North Carolina T. B. Mitchell (July 5): An outbreak would possibly have 
been serious in Currituck County but for dusting operations. 
A high percentage of parasitism by tachinids is indicated by 
a few specimens we bred out. 
Virginia P. J. Chapman (July 10): Damage necessitating control 
measures was observed in five sweet potato fields, one at 
Hickory and the others at Pungo. Many larvae were parasitised, 
SOUTHERN FIELD -CROP IHS^CTS 
TOBACCO 
TOBACCO FLEA 3FBTLS ( lioitrix parvula Fab.) 
Connecticut H. Turner (July 17): Lower leaves of field tobacco are 
damaged severely and shade tobacco is slightly injured at 
Windsor. 
North Carolina Z.P. Metcalf (July 21) j This insect is very abundant. 
SUO:-vRCi,iLe 
SU3ARCAES 30RER ( Diatr aea sacchara lis Fab.) 
Louisiana W. E. Hinds (July 22); The third generation is now start- 
ing 'out is less abundant than usual at this time of year. 
Colonization of Trichogragua mi nut urn Riley on second-genera- 
tion eggs is now showing a very encouraging oorcontage of 
=1 - ' ts 
control . 
U?*$W*> 
■ST>KT 
