L1_What is a Bug - b.ii) Reside without our knowledge...

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Lecture 1 What is a Bug? Cameraman’s Revenge by Ladislaw Sarewicz (1912) Bug colloquialisms: Like moths to a flame Snug as a bug in a rug Butterflies in my tummy Mind your own beeswax Sleep tight, don’t let the bed bugs bite 1) Bug: biological organism that inflicts pain, discomfort, debilitation, misery and/or rapid or slow decline in health. Also, pleasure/aesthetic a) Termite damage b) Tick bits c) Beetles in your cereal d) Spiders and venomous bugs e) Fatal/debilitating diseases acquired from bugs f) Eating bugs g) Various types of stings, bites, discomfort 2) General bug types a) Insects a.i) Arthropods (jointed appendages, segmented bodies, exoskeleton with chitin, usually with wings, 6 legs, 3 body regions, antennae) a.ii) Largest/most diverse group of animals on planet a.iii) >1mil. Species described; est. quadrillion individuals a.iv) Bite, irritate, bother, transmit human/animal disease b) Mites b.i)2 body parts, 8 legs; often microscopic
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Unformatted text preview: b.ii) Reside without our knowledge b.iii) Cause scabies in domestic pets and humans c) Ticks c.i) Blood feeding external parasites of mammals, birds, and reptiles c.ii) 850 species have been described world wide c.iii) 2 well est. families of ticks (lxodidae hard, and Argasidae soft); serrated moth parts and attach for long-term feeding c.iv) Transmit the widest variety of pathogens of any blood sucking arthropod d) Nematodes (round worms) d.i)Most abundant animal; mostly microscopic round worms d.ii) Free living or parasitic on plants and animals d.iii) Often millions in a square inch of soil d.iv) Can be pests of plants and animals or can be beneficial d.v) if all the matter in the universe except the nematodes were swept away, our world would still be dimly recognizable N. A. Cobb, 1914...
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This note was uploaded on 01/16/2012 for the course ENY 1001 taught by Professor Barfield during the Fall '11 term at University of Florida.

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