mixtures of them. There is no waiting period for malathion. Do not apply Imidan 

 more than once per cutting. 



3. Using ground equipment . Apply a minimum of 20 gallons of finished spray per acre, 

 or 4 gallons by air. 



CORN INSECTS 



Flea bettles. They continue to damage small, newly emerging corn plants. Once the 

 corn is eight to ten inches tall, it can usually grow away from the beetle attack. 

 The populations of flea beetles are higher than normal this year. These beetles can 

 transmit Stewart's disease (bacterial wilt) to corn. The incidence of this disease 

 is also expected to be higher than normal this year. Sweet corn varieties are much 

 more susceptible to this wilt than the dent corn varieties. Drought conditions ac- 

 centuate the disease condition. 



If flea beetles are numerous and damage is severe, apply 3/4 pound of carbaryl (Sevin)' 

 preferred on dairy farms --or 1-1/2 pounds of toxaphene per acre as a band spray over 

 the row. Grassy areas bordering fields should also be treated. Do not use carbaryl 

 near bee hives or toxaphene near fish-bearing waters . 



Black cutworms . These moths have been flying for several weeks. Watch low, wet, or 

 poorly drained spots in corn fields for damage. Cut or missing plants are a sign of 

 cutworms. It will be to your advantage to detect cutworm damage early, while the 

 worms are still small and easily killed. Be on the lookout during the next two to 

 four weeks. 



You can control cutworms with a carbaryl (Sevin) bait application. A bait of 5-percent 

 carbaryl on apple pomace applied broadcast at 20 pounds of the granules per acre is 

 effective. A liquid bait (molasses or tractum) of carbaryl applied as a spray di- 

 rected at the base of plants (1 pound per acre) or broadcast (2 pounds per acre) is 

 also effective. No cultivation is needed when a carbaryl spray or granular bait is 

 applied . Trichlorfon (Dylox) applied at 1 pound per acre in at least 20 gallons of 

 water as a spray directed at the base of the plant will also provide control. Cover 

 the trichlorfon spray band by throwing the soil at the base of the plants with a cul- 

 tivator. 



Wireworms . Scattered reports of damaged corn have been received. Generally, the in- 

 festations have not been too severe. If replanting is necessary, use one of the phos- 

 phate insecticides (diazinon at 2 pounds per acre, Dasanit, Dyfonate, or Thimet at 

 1 pound per acre) as granules in a 7-inch band just ahead of the press wheel. These 

 insecticides will control the small wireworms, but may not control the longer ones. 



Corn borers . Pupation is well along in the southern section. It is just beginning 

 in the central section. No pupation of borers has occurred in the northern section. 

 It is too soon to make predictions. 



HOMEOWNER INSECTS 



Mites . Evergreens are being damaged, particularly junipers and cedars. Russeting 

 and browning of foliage are a sign of mites. To check on the presence of the mites, 

 hold a white piece of paper under a branch and strike the branch sharply. The mites 

 will appear as small orange, grey, or black moving specks on the paper. A spray con- 

 taining 2 teaspoons of dicofol ( Kel thane ) , an 18. 5 -percent liquid concentrate, or 

 1-1/2 teaspoons of 25-percent wettable powder chlorobenzilate per gallon of water is 

 effective. Repeated treatments may be needed. Malathion is only partially effective. 



