lecture 8 website - Galls • Hypertrophic growth of plant...

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Startle Defenses An indirect behavioral response by a prey item to a predator that reduces the predator’s likelihood of success Chemical Acoustical Visual Tactile
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Applying Tinbergen’s Questions to Defense Causation Disturbance Development Adults Evolution Do closely related beetles have similar defensive tactics? Function Predators spit them out
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Other Defenses Habitat Modification Building Structures Altering plant growth patterns Inaccessible Living Quarters Digging Burrows In soil In plants
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Caddis Flies (Trichoptera) Aquatic larvae Some construct a “case” out of materials from the environment What value would the case have?
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Unformatted text preview: Galls • Hypertrophic growth of plant cells • Envelop the developing insect • What kind of protection? Gall Wasps Physically Modifying Plants • Leafrollers fold leaves over themselves Living Inside Plants: Borers The Boring Part Native to Mediterranean region ; Multivoltine First detected in the US in 1998; The most important pest of olives worldwide Infestation causes premature fruit drop and reduces fruit quality both in table olives and olives processed for oil Olive fruit fly Bactrocera oleae , (Diptera: Tephritidae) European Corn Borer Cryptic Inside Plant Mole Cricket Burrow...
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lecture 8 website - Galls • Hypertrophic growth of plant...

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