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Unformatted text preview: 1 Announcements Pepperwood May 4 Arrival Saturday night 6:00 Sunday 8:00 breakfast, 9:30 hike begins Bring collecting equipment Exam 3- submit corrections to me Deadlines Quiz Monday May 5 Lab Quiz Monday May 12 Insect collection May 14 Field Journal May 12 Kinds of Predators Sit and wait Cryptic Apparent Active foraging Trap-making Prey location for active foragers Random searching Fly larvae casting for prey When one is encountered, feed but otherwise cast further Directional searching Stepwise search using multiple cues Cues Chemical Substances emitted by prey Frass of prey (feces) Sound Luring prey to predator Random Searching Directional search Trap nesting wasp provisions nest Directional search Eggs of Fy predator on beetle eggs 2 Syrphid fy hatchlings Syrphid fy predator uses chemical cues to locate beetle larvae Luring prey to predator Trap-making Tiger beetles Trap-making- ant lion larvae Net-building Caddisfy larvae 3...
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This note was uploaded on 03/02/2012 for the course BIOLOGY 323 taught by Professor Rank during the Spring '08 term at Sonoma.
- Spring '08