TAMU ENTO 208 - Mouthparts and Blood Feeding (3 pages)

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Mouthparts and Blood Feeding

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Mouthparts and Blood Feeding


Review from day three, coverage of mouthparts

Lecture number:
Lecture Note
Texas A&M University
Ento 208 - Veterinary Entomology

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ENTO 208 1st Edition Lecture 5 Outline of Lecture 4 I Evolution II Hexapods a Insecta i Examples of individuals in insecta Outline of Lecture 5 I Review of Day 3 a External anatomy II Mouthparts a Blood feeding Current Lecture I II Review of Day 3 Anatomy Foundation Parasitic arthropods have developed amazing ways to survive mouthparts are so important our book has a whole chapter concerning them don t need to know all the plates of the head a eyes antennae and mouth parts i Eyes see in shadows and movement omitidia sp how animal sees more of these better vision ii Mouthparts haustellate mouthparts where actual sucking happens III Thorax naming know which portions of the thorax that legs wings hair are located IV Grasshopper leg big femur for jumping i large diversity among the rest of the arthropods to adapt to their individual life cycle mobility hanging onto host V Wings don t rely too heavily on wings for identification until more detailed taxonomy is reached i those that don t have wings some have never had wings some lost them secondarily VI Antennae know basic forms for ID VII Abdomen all have turgum and sternum and pleural membrane VIII 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 a Possible quiz test where are the violin and hourglass on recluse and widow b Know form and function of the mouthparts c Know about blood feeding d Orientation of mouthparts is major way to describe individual i Hypomathus points down chewing ii Pronagus points forward predatory iii Opisthonathous points backward tucked up sucking like a straw e Mandibulate Haustellate more evolved sucking sipping lapping f Labrum upper lip most interior g Maxillae chewing h Hypopharynx tongue moves food in mouth i Labium lower lip sometimes tasting forms and function things that will be tested over Depending on the life cycle of the arthropod some have completely lost primitive

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