TAMU ENTO 208 - General Overview of Arthropods (3 pages)
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General Overview of Arthropods
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Overview of the Phylum Arthropoda and the organisms in it
- Lecture number:
- 2
- Pages:
- 3
- Type:
- Lecture Note
- School:
- Texas A&M University
- Course:
- Ento 208 - Veterinary Entomology
- Edition:
- 1
Documents in this Packet
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21 pages
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Lecture 21: Kissing Bugs and Chagas disease
2 pages
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Lecture 20: Tick-borne Diseases (cont.)
3 pages
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Lecture 19: Tick Borne Diseases
3 pages
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14 pages
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Lecture 18: Introduction to Ticks
2 pages
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Lecture 17: Diagnostics and Epidemiology
2 pages
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27 pages
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2 pages
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4 pages
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3 pages
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Lecture 15: Mosquito-borne Diseases
2 pages
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3 pages
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Lecture 13: Diptera: Horse, Deer, and Bot
4 pages
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Lecture 12: Continuation of Diptera
3 pages
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2 pages
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4 pages
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3 pages
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11 pages
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3 pages
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2 pages
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3 pages
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Lecture 5: Mouthparts and Blood Feeding
3 pages
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Lecture 3: General External Anatomy
5 pages
-
4 pages
Unformatted text preview:
ENTO 208 1st Edition Lecture 2 Outline of Lecture 1 I Syllabus a Can be found on eCampus under the Syllabus tab II Intro to Instructor Gabriel Gabe Hamer III Intro to Entomology a Classification organization b Arthropods Outline of Lecture 2 I Phylum Arthropoda II Arthropod Classes a Crustacea b Diplopoda c Chilopoda d Arachnida e Insecta Lecture 2 I Phylum Arthropoda a External characteristics 10 i Bilateral symmetry ii Complete digestive system connected mouth and anus 1 Some species have developed conservative systems so they do not expel waste through an anus iii Excretion 1 Malpighian tubules function like kidneys in mammals iv Circulatory System 1 Open haemocoel hemolymph filled body cavity a Is blue in horseshoe crabs harvested to be used as a dye that highlights foreign material ie bacteria v Respiration 1 Spiracles small openings on the surface of the individual that allow air to enter the trachea 2 Trachea carries oxygen to system These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II vi Nervous System 1 Ventral nerve cord dorsal in humans vii Most use sexual reproduction 1 Some aphids can undergo parthenogenesis Arthropod Classes a Crustacea i Crabs lobster shrimp pill bugs copepods daphnia ii 2 pairs of antennae 5 or more pairs of legs 2 body regions cephalothorax abdomen iii Food source important host for many parasites 1 Ex guinea worm classified as a neglected tropical disease b Diplopoda i Millipeds ii 1 pair antennae many legs 2 body regions head body 1 Two pairs of legs per body segment iii No sting or bite plant pest intermediate host for parasites c Chilopoda i Centipedes ii Many legs 2 body regions head body 1 One pair of legs per body segment iii Fangs with poison glands some species are dangerous to animals including humans house centipede are harmless to humans d Arachnida i No antennae 4 pairs of legs 2 body regions cephalothorax abdomen ii
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ENTO 208 - Insect Orders
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