Appendix 1. Characteristics of the materials used to make traps.

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CIE 1931 Colour Indices

 

 

 

 

 

 

 

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Colour


Material


ID


Fabric Notes


Experiment

Ultraviolet
%

Peak Lambda

Dominant
Lambda


Y


x


y


Purity

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Standard Black

Cotton

0

Mount Kenya Textiles

1-23

3.2

-

-

2.9

0.306

0.315

-

Standard Blue

Cotton

1a

Mount Kenya Textiles

1-22

9.4

466

478

8.8

0.173

0.181

65

Standard Blue

Cotton

1b

New lot, slightly darker

23

6.0

462

478

6.6

0.183

0.196

60

Standard Netting

Polyester

2

White, Local

1-23

(74.2)

-

-

(83.9)

0.316

0.331

-

Dark Red - 16

Poly/Cot

3

Chinese, imported

1-4

4.9

790

680

5.9

0.505

0.298

44

Bright Red - 21

Poly/Cot

4

Chinese, imported

2

6.8

762

615

9.5

0.544

0.320

62

Dark Bluish Purple  -17

Poly/Cot

5

Chinese, imported

1

7.0

440

565c

4.1

0.267

0.194

40

Dark Reddish Purple - 18

Poly/Cot

6

Chinese, imported

1,2

7.3

790

495 c

6.0

0.410

0.283

32

Dark Reddish Purple - 22

Poly/Cot

7

Near match to #6

3

6.2

790

494 c

5.0

0.442

0.291

34

Dark Green - 20

Poly/Cot

8

Chinese, imported

1,2

6.9

492

495

6.1

0.246

0.339

23

Bright Turquoise - 19

Poly/Cot

9

Chinese, imported

1-3

16.4

478

487

25.4

0.200

0.279

44

 

 

 

 

 

 

 

 

 

 

 

 

Bright Violet - 45

Cotton

10

Local Jinja

8

22.9

432

476

17.0

0.250

0.249

30

Dark Bluish Purple - 47

Cotton

11

Local Jinja

8

12.3

411

563 c

5.1

0.273

0.193

43

Bright Turquoise - 39

Cotton

12

Local match to #9

8

20.2

477

486

21.7

0.211

0.275

40

Light Green - 46

Cotton

13

Local Jinja

8

12.6

500

502

21.5

0.247

0.372

22

Transparent Plastic - 37

Plastic

14

Local (250 mm thick)

8

(87.7)

-

-

(86.1)

0.314

0.330

-

Medium Red - 23

Cotton

15

Local Jinja

5-8, 12-16

5.2

672

620

8.6

0.536

0.313

59

Shiny Pure Blue - 48

Polyester

16

VF Brilliant Blue 589

15

14.2

462

480

10.1

0.198

0.224

50

Shiny Royal Blue- 51

Polyester

17

VF Lucky Uganda

20

20.0

414

472

6.6

0.212

0.191

51

50% Texturized Blue - 55

Polyester

18

VF Art Con

20

16.5

458

477

10.0

0.192

0.197

56

50% Texturized Blue - 53

Polyester

19

VF Art Sed

20

17.6

455

478

8.4

0.200

0.212

51

Canary Yellow - 57

Cotton

20

Local Jinja

21

8.2

-

572

55.4

0.404

0.477

71

Zebra Stripes -59

Cotton

21

Local

21

19.3

-

-

34.2

0.308

0.321

-

Black/White Stripes -58

Cotton

22

Local

21,22

15.1

-

-

27.6

0.305

0.318

-

Matt Royal Blue -64

Polyester

23

VF Pongee 1

23

28.1

438

472

7.6

0.191

0.167

62

Matt Pure Blue -65

Polyester

24

VF Pongee 2

23

20.7

466

479

10.5

0.189

0.209

56

Texturized Netting - 103

Polyester

25

VF Code 3 March 1996

23

(74.2)

-

-

(82.1)

0.312

0.328

-

Opaque Pure Blue -60

Cotton

26

Ethiopian, heavy drill

23

14.9

450

478

11.4

0.179

0.187

63

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Notes: Transmittance data are reported in parentheses for the two nettings and the plastic (2, 14, 25); Ultraviolet % is the mean reflectance or (transmittance) between 370 and 399 nm