Table 1 Comparison of detoxification and chemosensory gene families between the extremely polyphagous pest S. litura and the almost monophagous B. mori

Clan 3

61

32

Clan 4

58

33

Mitochondrial

11

11

Clan 2

8

7

GST

47

26

ε

21

9

δ

5

6

ω

3

4

σ

7

2

θ

1

1

ζ

5

2

Microsomal

2

1

Uncharacterized

3

1

COE

110

76

α-esterase

25

15

Lepidopteran esterase

57

39

JHE

8

7

β-esterase

2

2

Integument esterase

4

2

Acetylcholinesterase

2

1

Neuroligin

7

6

Neurotactin

1

1

Gliotactin

1

1

Uncharacterized

3

2

Clan 3

61

32

Clan 4

58

33

Mitochondrial

11

11

Clan 2

8

7

APN

18

14

ABC

54

51

Chemosensory gene families

CSP

23

21

OBP

36

43

OR

73

73

GR

237

76