Table 1. Immediate mortalities and 24 hours post mortalities (%, mean ± SD) of D. pteronyssinus and D. farinae directly irradiated at difference distances and exposure times.

Species	Distance (cm)	Immediate mortalities						24 hours post mortalities
		5 min	10 min	15 min	20 min	30 min	60 min	5 min	10 min	15 min	20 min	30 min	60 min
DP	55	0.0±0.0	2.2±2.8	4.0±4.0	5.5±5.5	8.8±5.5	32.5±8.9	1.8±2.3	7.0±3.8	9.2±6.8	12.9±12.2	13.6±8.5	58.4±17.4
	45	0.3±1.1	4.7±4.4	5.5±4.0	11.0±7.0	38.1±9.7	38.4±9.8	2.2±2.8	11.8±4.7	10.7±2.7	15.8±9.8	48.1±13.5	68.1±12.3
	35	2.2±1.6	6.2±4.2	7.7±5.9	12.9±4.2	55.8±9.6	74.7±9.7	4.7±2.3	9.2±6.8	12.2±8.9	18.1±5.0	69.9±7.9	98.8±2.3
	25	4.4±2.8	8.4±4.1	8.4±5.2	27.0±9.6	69.2±9.5	97.0±4.2	7.3±5.2	11.8±5.2	15.5±10.4	41.8±12.4	80.3±12.4	100.0±0.0
	10	4.4±3.3	8.8 ±7.6	11.0±9.7	35.9±9.3	88.8±9.6	100±0.0	8.8±5.2	15.5±6.6	16.6±11.7	54.0±17.2	96.6±4.4	100.0±0.0
DF	55	0.0±0.0	1.1±2.3	1.8±2.3	1.1±1.6	5.9±4.6	11.0±9.8	2.2±2.3	6.2±3.5	8.4±5.0	8.5±4.4	8.6±6.4	27.2±9.7
	45	0.3±1.1	1.4±3.3	2.2±3.3	2.9±3.5	6.2±3.5	16.6±9.9	2.5±3.2	6.9±5.1	9.6±2.6	13.6±6.9	9.9±6.6	26.2±12.3
	35	0.7±1.4	1.8±2.3	4.0±2.2	19.2±8.2	44.0±8.6	57.3±10.5	6.2±3.1	7.0±5.6	10.3±3.8	28.8±11.0	52.9±8.4	86.9±9.3
	25	3.3±1.6	4.7±3.3	6.6±2.3	19.6±7.8	49.6±10.9	90.3±10.1	8.4±2.9	10.3±5.3	14.0±4.9	29.2±15.0	79.2±14.1	99.6±1.1
	10	4.4±3.3	5.5±3.3	7.7±1.7	39.2±9.8	72.9±10.9	100.0±0.0	8.4±3.7	12.9±4.8	14.0±3.6	47.3±11.4	85.1±14.7	100.0±0.0

DP-D. pteronyssinus, DF-D. farinae.