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Table 2 Comparison of the isotopic signatures δ15N and δ13C, measured in the cuticle of Scapteriscus didactylus. CV = 100*SD/Mean.

From: Evidence of the exploitation of marine resource by the terrestrial insect Scapteriscus didactylus through stable isotope analyzes of its cuticle

 

n

Mean

Min

Max

SD

CV

Habitations

      

δ 15 N (‰)

      

Juveniles I

9

6.60

5.38

8.04

0.89

13.5

Juveniles IIR+IIIR

16

7.06

5.71

9.28

1.07

15.2

Adults

41

7.40

3.05

12.62

1.88

25.4

δ 13 C (‰)

      

Juveniles I

9

-25.15

-25.32

-24.81

0.43

1.7

Juveniles IIR+IIIR

16

-25.15

-26.08

-24.25

0.51

2.0

Adults

41

-25.46

-27.46

-23.05

1.07

4.2

Beach

      

δ 15 N (‰)

      

Juveniles I

12

5.65

3.31

8.24

1.65

29.2

Juveniles IIR+IIIR

19

5.12

1.32

8.07

2.00

39.1

Adults

69

7.04

1.96

13.68

2.93

41.6

δ 13 C (‰)

      

Juveniles I

12

-24.41

-25.45

-22.69

0.67

2.7

Juveniles IIR+IIIR

19

-24.74

-25.99

-22.62

1.27

5.1

Adults

69

-23.14

-26.31

-13.48

2.42

10.7