Comparison of Insecticides

Comparison of Insecticides for Gypsy Moth Control

Note: MSDS and Label links go to Greenbook.net. That site is best viewed using Internet Explorer.

Common Name Trade Name(s)	MSDS	Label	Description and General Effects	When to Apply	Duration of Effect	Other Considerations
Bacillus thuringiensis var. kurstaki (Btk) DiPel	2X DF ES ES_CPI Pro_DF	2X DF ES ES_CPI Pro_DF	Naturally-occuring microorganism that is a stomach poison to moths and butterflies. Feeding ceases and then death occurs.	When eggs have hatched and leaves are expanded. Apply when young caterpillars are present. Timing is very important (see Duration).	No more than 1 week	Will kill some other butterflies and moths.
Bacillus thuringiensis var. kurstaki (Btk) Thuricide	48LV	48LV			No more than 1 week	Will kill some other butterflies and moths.
Diflubenzuron (not available for homeowner use) Dimilin	25W 4L	25W 4L	Stops insect growth and development	When eggs have hatched and leaves are expanded. Apply when young caterpillars are present.	3 months on foliage	Cannot be applied over water courses or ponds. Will affect any animals that produce chitin (e.g., crawfish and insects)
Carbaryl Sevin	4F 80S 80WSP SL XLRPlus	4F 80S 80WSP SL XLRPlus	Stomach and contact insecticide.	When eggs have hatched and leaves are expanded. Apply when young caterpillars are present.	2-3 weeks	Highly toxic to honey bees. Also toxic to many other insects and aquatic organisms.
Phosmet Imidan	70-W	70-W	Neurological poison cholinesterase inhibitor	Whenever caterpillars are present.	1-2 weeks	Toxic to some domestic animals, birds, aquatic life, and honey bees.
Tebufenozide Mimic	2LV	2LV
Chlorpyrifos (not available for homeowner use) Lorsban	4E	4E				Do not allow livestock to graze in treated area.
Chlorpyrifos (not available for homeowner use) Dursban	50W TNP	50W TNP
Azadirachtin Neemix	0.25 4.5	0.25 4.5	Growth regulator
Methoxychlor		25% E.C.		First sign of caterpillars		Avoid contamination of water.
Cyfluthrin Tempo	20 WP (Golf Course WSP) 20 WP (WSP PowerPak) Tempo 20WP Tempo SC Ultra	20 WP (Golf Course WSP) 20 WP (WSP PowerPak) Tempo 20WP Tempo SC Ultra
Golden Oil	MSDS and label not found. Company info sheet
Acephate Orthene	75S/WSP 97 Turf,_Tree_&_Ornamental_Spray/WSP Turf,_Tree_&_Ornamental_Spray_97	75S/WSP 97 Turf,_Tree_&_Ornamental_Spray/WSP Turf,_Tree_&_Ornamental_Spray_97	Stomach poison. Broad spectrum insecticide. cholinesterase inhibitor	When eggs have hatched and leaves are expanded. Apply when young caterpillars are present.	1-1.5 weeks	Toxic to birds, bees. Do not apply over water.