{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

19InsectPredPar - Announcements P e p p e rw o o d M a y 4...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
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 fly predator on beetle eggs
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2 Syrphid fly hatchlings Syrphid fly predator uses chemical cues to locate beetle larvae Luring prey to predator Trap-making Tiger beetles Trap-making- ant lion larvae Net-building Caddisfly larvae
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}