Table 3. Mortality of gypsy moth larvae confined on foliage bearing residues of the indicated ages for the indicated treatments.

Treatment	Dose per 378 L	Age of residue at time of confinement
Treatment	Dose per 378 L	1	2	7	14	21	28	35
NPV	10¹¹ PIB	45	54	43	33	77^†	33	29
NPV	10¹² PIB	68^†	51	56	39	54	56	48
NPV	10¹¹ PIB
+ BBH	0.1%	78^††	74^†	87^††	43	47	73^†	69^†
NPV	10¹¹ PIB
+ BBH	0.5%	94^††	87^††	79^††	67^†	68^†	83^††	80^††
Bt (36 BIU)	2.84 L	94^††	93^††	79^††	42	38	57	48
Azadirachtin	267 g	84^††	83^††	100^††	81^††	95^††	61	44
Tebufenozide	474 mL	100^††	100^††	100^††	100^††	100^††	100^††	100^††
Diflubenzuron	59 mL	100^††	100^††	100^††	69^†	100^††	100^††	100^††
Cyfluthrin	30 mL	100^††	100^††	100^††	99^††	100^††	100^††	100^††
Untreated controls		41	32	40	24	30	47	46

↵Values followed by at least 1 cross (†) differ significantly from that of the experimental controls at the 0.05 probability level (LSD). Values followed by a double cross (††) are not significantly different from the standard traditional insecticide (Tempo 2) at the 0.05 probability level (LSD).