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Coleophoridae 
Coleophora malivorella Riley, the pistol casebearer 
In Pennsylvania two early applications of cube powder in usual 
spray mixture killed more than 95 percent of the larvae. It was rec- 
ommended that a spray containing liquid lime-sulfur for disease con- 
trol, 3 pounds of cube powder (5 percent of rotenone), and 3 gallons 
of lubricating oil, emulsified with £ pound of sulfite lye per 100 gal- 
lon* of spray be applied at the delayed dormant stage, followed at 
the pink stage by one of 6 pounds of wet table sulfur, 3 pounds of 
cube and % ounce of Antifoam per 100 gallons. —St einer and Worthley 
(567) > 
Cube powder (5 percent of rotenone) used at the rate of 3 pounds 
per 100 gallons gave good results in the delayed dormant spray.— 
Steiner (565) . 
In Maryland control can be obtained during the preblossom period 
with one application of 4 pounds of derris powder and 8 pounds of 
wettable sulfur to 100 gallons of water. — McConnell (375) . 
Cosmopterygidae 
Batrachedra perobtusa Meyr. 
Larvae of this pest in Brazil feed on pollen of the coconut pelm. 
As arsenicals scorch the palm flowers, it is preferable to use sprays 
of nicotine or rotenone.— Bondar (64). 
Crambidae 
Cranbua bonifatellus (Hulst), a sod webworm 
Cranbus topiarius Zell. ( n hortvellus Hbn.), the cranberry girdler 
Crambu8 sperryellus Klots, another sod webworm 
Temporary control of the first and third species, which damage 
lawns in California, was obtained by the use of sprays containing derris 
extract, but as the treatments did not prevent reinfestation after 3 or 
4 weeks, it was necessary to repeat them one to three times during the 
summer*— Bohart (62) • 
