TAMU ENTO 322 - Grouping Concepts (2 pages)

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Grouping Concepts



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Grouping Concepts

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Lecture number:
5
Pages:
2
Type:
Lecture Note
School:
Texas A&M University
Course:
Ento 322 - Insects In Human Society

Unformatted text preview:

ENTO 322 1st Edition Lecture 5 Outline of Last Lecture I Taxonomy II Taxonomic Levels III Methods of Identifying Insects Outline of Current Lecture I II Grouping Concepts Orders of the Day Current Lecture I Grouping Concepts A There are approximately 23 35 Orders that insects are divided into 1 24 orders and suborders will be covered in class 2 Orders of the Day are required for each exam B Insects can be grouped by 1 Relative time on Earth 2 Metamorphosis types 3 The relationships between each group C Orders can be grouped by metamorphosis types 1 Simple metamorphosis Ametamorphosis gradual incomplete Eggs nymphs adult 3 stages in the life cycle Gradual lives on the surface of the ground Incomplete aquatic insects 2 Complete metamorphosis Holometabolous Eggs larvae caterpillar pupa adult sexual maturity 4 stages in life cycle II Orders of the Day A Collembola springtails 1 Entognathous mouthparts are internal Chewing sucking mouthparts 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 2 6 000 species 3 no wings 4 A part of the Carbon Cycle 5 Simple metamorphosis gradual 6 Terminal tail furcula springs them into the air 7 Absent reduced eyes 8 Very abundant in leaf litter 9 Preserved in alcohol B Thysanura silverfish 1 Apterygote without wings 2 350 species 3 Chewing mouthparts 4 Eat paper starchy materials glue 5 Simple metamorphosis ametamorphic 6 3 long filaments on abdomen 7 Simple eyes 8 Found in closets pantries litter box in attics 9 Preserved in alcohol C Ephemeroptera mayflies 1 2 pairs of wings held above their bodies 2 2 or 3 filaments at the tip of abdomen 3 Mouthparts Chewing immatures Non functioning adults 4 Simple metamorphosis incomplete 5 Mating flights occur in a swarm of large masses 6 Preserved in alcohol



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