
Medical Arthropodology Department of Parasitology Xiang-Ya School of Medicine
Medical Arthropodology Department of Parasitology Xiang-Ya School of Medicine

工 Concepts Arthropod species,about a few hundred million,accounting for dynamic 87%of the total number of material types,hazard to human health is only a tiny minority. Medical arthropods(mainly medical insects)refer to those arthropods with medical importance; Parasitic arthropods are those being able to either directly impair to human health by their toxic substances or indirectly harm through spread of pathogens
❑ Arthropod species , about a few hundred million, accounting for dynamic 87% of the total number of material types, hazard to human health is only a tiny minority. ❑ Medical arthropods (mainly medical insects) refer to those arthropods with medical importance; ❑ Parasitic arthropods are those being able to either directly impair to human health by their toxic substances or indirectly harm through spread of pathogens. I Concepts

工 Concepts Medical arthropodology or Medical entomology is to research on: morphological characters,classification,life cycle, ecology,geographical distribution,pathogenesis, regularity of disease transmission and control strategies of medical pests
I Concepts ❑ Medical arthropodology or Medical entomology is to research on: morphological characters, classification, life cycle, ecology, geographical distribution, pathogenesis, regularity of disease transmission and control strategies of medical pests

Concepts Medical arthropods closely related with human life include:mosquito,fly,sandfly,flea,louse, cockroach,bed bug,hard tick,soft tick,gamasid mite,itch mite,follicle mite,etc. The most harmful pests in China are mosquito,fly and cockroach
The most harmful pests in China are mosquito, fly and cockroach. Medical arthropods closely related with human life include: mosquito, fly, sandfly, flea, louse, cockroach, bed bug, hard tick, soft tick, gamasid mite, itch mite, follicle mite, etc. I Concepts

II Main conmmon characters of arthropods 前翅 后移 背板 触角口器 腹板侧 前足中足 insecta arachnida Morphological characters of arthropods
Morphological characters of arthropods II Main conmmon characters of arthropods insecta arachnida

II Main conmmon characters of arthropods Bilaterally symmetric; Segmented body with appendageson each segment; Covered by exoskeleton made out of chitin,a polysaccharide,and quinone tanned protein; A dorsal heart with open circulatory system (also named as hemocele)containing blood haemolymphand a nervous system on the ventral side of body; Molting (ecdysis and metamorphosis during development history
II Main conmmon characters of arthropods ❑ Bilaterally symmetric; ❑ Segmented body with appendageson each segment; ❑ Covered by exoskeleton made out of chitin, a polysaccharide, and quinone tanned protein; ❑ A dorsal heart with open circulatory system (also named as hemocele) containing blood haemolymphand a nervous system on the ventral side of body; ❑ Molting (ecdysis ) and metamorphosis during development history

III Classification of Arthropods Insecta:mosquitoes,flies,sandflies,fleas,black flies,biting midges,tabanid flies,lice, cockroaches,bedbugs,etc; Arachnida:hard ticks,soft ticks,itch mites, Phylum chigger mites,gamasid mites,follicle mites, dust mites,etc; Arthropoda Crustacea:crabs,shrimps,cyclops,diaptomus, etc; Chilopoda:centipedes,etc; Diplopoda:millipedes,etc
Phylum Arthropoda Arachnida: hard ticks, soft ticks, itch mites, chigger mites, gamasid mites, follicle mites, dust mites, etc; Crustacea: crabs, shrimps, cyclops, diaptomus, etc; Chilopoda: centipedes, etc; Diplopoda: millipedes, etc. III Classification of Arthropods Insecta: mosquitoes, flies, sandflies, fleas, black flies, biting midges, tabanid flies, lice, cockroaches, bedbugs, etc;

III Morphological characters 1 Insecta: Separated head,thorax and abdomen; 3 pairs of legs,1 pair of antennae. 2 Arachnida: Cephalothorax and abdomen; Or head,thorax and abdomen combining into a whole; 4 pairs of legs,without antenna and wing
2 Arachnida: Cephalothorax and abdomen; Or head, thorax and abdomen combining into a whole; 4 pairs of legs, without antenna and wing. 1 Insecta: Separated head, thorax and abdomen; 3 pairs of legs, 1 pair of antennae. III Morphological characters

III Morphological characters 3 Crustacea: Cephalothorax; Abdomen (5 pairs of legs,2 pairs of antennae); Mostly live in water. shrimp,crab,cyclops
3 Crustacea: Cephalothorax; Abdomen (5 pairs of legs, 2 pairs of antennae); Mostly live in water. shrimp, crab, cyclops III Morphological characters

III Morphological characters 4 Chilopoda head and long,slender, flat body segments; 1 pair of antennae, 1 pair of legs on every segment. centipede
4 Chilopoda : head and long, slender, flat body segments; 1 pair of antennae, 1 pair of legs on every segment. centipede III Morphological characters