ENTO 322 1st Edition Lecture 9 Outline of Last Lecture I. Collection EquipmentII. Insect PreservationIII. Preservation LabelsIV. Other InformationV. Special Insect PermitsOutline of Current LectureI. External MorphologyCurrent LectureI. Insect morphologyA. Body region (metamerization)i. Head1. Primary brain region2. 3-7 segments3. Eye, antennae, mouthparts (very complicated)ii. Thorax1. Starts at the back of the head and ends at the last pair of legs2. Makes up a disproportionate part of the body3. Used for locomotion4. 3 segments: prothorax, mesothorax, metathorax5. Wings are located on the mesothorax & metathoraxiii. Abdomen1. Starts at the last pair of legs all the way to the tip2. Digestive & reproductive systems are located here3. Flexible & critical4. 11 segments B. Exoskeleton i. An exoskeleton is a skeleton or supporting structure on the outside of theinsect body and in the foregut and hindgutii. Multiple layers that are renewediii. Old skeleton is called an exuviaeC. Structure of the headThese 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.i. Antennae types – used for sensing the environment 1. Setaceous2. Filiform3. Monoiliform4. Serrate5. Lamelliform6. Claviform7. Capitate8. Geniculate 9. Plumose10. Aristateii. Mouthparts – highly evolved1. List of mouthpartsa. Labrumb. Clypeusc. Mandiblesd. Maxillae.
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