"Optical cues used in prey identification by a juvenile jumping spider, Yllenus arenarius (Araneae, Salticidae)"

Spis treści

1. Introduction 8

1.1. Visual prey recognition 9

Prey vs non-prey 9

Different prey types 10

Attack targeting 12

1.2. Salticid vision 13

1.3. The model spider 16

1.4. Aims of the study 17

2. Materials and methods 20

2.1. Experiment 1 (virtual prey) 20

2.2. Experiment 2 (natural prey) 26

2.3. The spiders 28

2.4. Data analysis 30

3. Results 36

3.1. Approach to prey 37

3.2. Attack on prey 40

3.3. Number of attacks 43

3.4. Distance of attack 46

3.5. Stalk 49

3.6. Frontal approach 51

3.7. Front-rear observation 55

3.8. Target of attack 58

4. Discussion 68

4.1. Prey vs non-prey 68

4.2. Prey-type recognition 73

4.3. Attack targeting 81

4.4. Innate predatory versatility 87

4.5. Prey identification mechanism 89

4.6. Virtual prey method 91

5. Summary 94

6. References 98

Acknowledgements 108

About the author 110