- 2 - 



4. BAITS SUPPLEMENT other MEASURES to control the HOUSE FLY. 



Baits containing dichlorvos (DDVP) , trichlorfon (Dipterex) , diaz- 

 inon or malathion are available under many brand names. Use them 

 sparingly, but frequently, on all horizontal dry surfaces in or 

 around the stand or mill where flies tend to gather. Bait sprays 

 may be prepared and used according to directions on the labels of 

 ronnel, dimethoate and diazinon. 



5. SPACE TREATMENTS ESSENTIAL TOOI 



Stands and cider mills that can be closed up completely or enough 

 to prevent cross ventilation may be "space treated" with a finely 

 atomized spray or aerosol. All flies then in the building should 

 be killed by the treatment; there is no_ residual effect. 



Apply space treatments at closing time and at other times as op- 

 erations permit and the number of flies make it desirable. COVER 

 FOOD and FOOD HANDLING EQUIPMENT. 



Pyrethrin or allethrin, each synergized by materials like piperonyl 

 butoxide, sulfoxide or others, are the chief killing agents. Some 

 products contain methoxychlor or other materials. Extra care to 

 prevent contamination of food or equipment must be used if insecti- 

 cides other than pyrethrins or allethrin are included in the pro- 

 duct. 



Apply space treatments by using oil based pyrethrin or allethrin 

 "fly sprays" in hand or electrically operated atomizers or by using 

 aerosol "bombs". Large (5 lb.) bombs are less expensive than 

 smaller types if used according to directions. Otherv\7ise the 

 smaller types may be just as convenient and no more costly. 



Read the list of "active ingredients" to get what you want. Fol- 

 low "directions for use" to do the best job safely. 



Try resin strips containing 20% dichlorvos (DDVP,Vapona) if you can 

 reduce ventilation at least part of the time. Determine the space 

 and follow directions so as to obtain an effective concentration 

 of vapor. 



6. FANS HELP 



Fans that direct a current of air across displays may help greatly 

 to keep flies off those products especially attractive to them. 

 "Curtains" of moving air currents directed across doorways from 

 inside or above will reduce the number of flies which enter. 



BUT 



Without your complete attention to NO. 1, you cannot expect the 

 suggestions under No.'s 2, 3, '+, and 5 to solve your fly problem. 



* ****** * 



