ACBS 457 Lecture Notes - Lecture 7: Sensory Neuron, Hemiptera, Ischnocera
1 Nov 2018
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Hematophagy has evolved independently at least 21 times in arthropods. Plays a huge role on how effectively they could spread diseases. Telmophagy pool feeding : scissor like mouth parts which cut open a wound in your skin, put mouth parts directly into pool of blood and slurp out. Solenophagy mouthparts penetrate the skin: may sever or rest within a capillary bed, may cannulate individual blood vessels. Finding a host two general strategies: hunter (mugger, forages for blood, ex: mosquitos, tsetse, ambusher, waits for host, ex: ticks. Finding a host sensing a vertebrate: sensory inputs, co2, lactic acid, butanol, heat, vision, color, size, shape. Immunomodulators prevent vertebrates from becoming immune to your saliva. 125 lb human consuming a 12-gal. smoothie made from 25 lbs of hamburger meat plus a lb of butter & 2 tablespoons of sugar. roger miesfeld. Labium: serves as a back lip. Labrum: serves as a front lip to hold in food.
