EVOL INSECT STRUCTURE
EVOL INSECT STRUCTURE ENTO 305
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This 2 page Class Notes was uploaded by Kip Von on Wednesday October 21, 2015. The Class Notes belongs to ENTO 305 at Texas A&M University taught by Staff in Fall. Since its upload, it has received 15 views. For similar materials see /class/225796/ento-305-texas-a-m-university in Entomology at Texas A&M University.
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Date Created: 10/21/15
Course Outline 1 de nitions and types of morphology omology analogy and importance of evolutionary perspective science and hypothesis testing historical treatment 2 development and classi cation hexapods vs insects exopypterygotes endopterygotes holometabolous paruometabolous hemimetabolous imago stage instar imaginal discs larvae pupae etc tagma and segmentation serial homology key evolutionary innovations of arthropods anatomical terms position and orientation sutures and sulci sclerites and membranes terms for muscles 3 Integument structure and function epidermis cuticle pro endo exo epi etc cuticle composition molting and apolysis setae apodemes apophyses phragmata coloration 4 Evolution of insect head Snodgrass and Rempel mouthparts and corresponding parts of the cranium and suturessulci antenna clypeus labrum mandibles maxilla labium epi and hypopharynx cibarium cibarial and pharyngeal pumps labium and back of head tentorium 5 Modifications of mouthparts in different insect groups beetle and neuropteran larvae Hymenoptera bees Lepidoptera thrips lice eas Hemiptera Diptera biting and nonbiting 6 Antennae types and function 7 Thorax primary vs secondary segmentation cervix muscles used in ight direct and indirect parts of notum including ight muscle attachment parts and origin of pleuron function arts and diversification of sternum 8 Legs and their modifications 9 Evolution of wings Paleoptera and Neoptera Axillary sclerites wing regions folds and furrows 10 Wing venation general pattern and ordinal diversification wing coupling wing modifications e g elytra ll Musculature muscle types ight muscles again mouthparts 12 The Abdomen segmentation numbers of segments major modi cations epiproct and paraproct appendages fossil groundplan vs present day forms cerci and urogom 39 other abdominal modi cations gills prolegs Collembloa Microcoryphia ovipositors origins types and modi cations coxopodite valVifer stylus gonostylus and valvulae gonapophyses 13 Male genitalia Odonata Internal fertilization lock and key concept speciation l4 Arthropoda Classi cation 4 subphyla 7 orders of Arachnida Tagmata segmentation modi cation and homology of appendages handout