Evaluating Insects as Bioindicators of Heavy Metal Contamination and Accumulation near Industrial Area of Gujrat, Pakistan

Table 3

Mean concentrations of metals (mg/L) ± S.D. recorded in three insect taxa.

Site	Number	O. hyla hyla	C. servilia	D. chrysippus
Start of HalsiNala	5	25.96 ± 39.79	29.61 ± 43.21	15.20 ± 18.50
Kalra Punwan	5	45.74 ± 52.00	29.20 ± 43.80	11.80 ± 15.90
Mid of HalsiNala	5	59.39 ± 83.00	33.88 ± 44.57	34.70 ± 60.07
Small Industrial Area	5	46.98 ± 57.60	31.33 ± 42.14	17.33 ± 19.07
Kalra Kalan	5	39.30 ± 45.50	35.12 ± 44.74	37.55 ± 59.05
Kalra Khasa	5	45.92 ± 50.87	33.95 ± 44.97	15.50 ± 18.45
Kathala Chenab	5	48.27 ± 56.56	30.01 ± 43.81	13.13 ± 19.26
Near the Chenab River	5	45.25 ± 55.01	43.54 ± 51.99	37.41 ± 52.32
End of Nala	5	43.04 ± 52.55	35.05 ± 44.05	59.20 ± 76.60