寄生虫学英文课件：Experimental Arthropod revised 2005

1、Section 8 Medical Arthropodmosquito,fly,louse,flea,tick,mite,louse,sandfly,Aims and demands Mastery of the morphological characters of mosquitoes and flies. Knowing the morphological characters of other main medical arthropods.,Anopheles Culex Aedes （eggs,larva）,Floating on the water surface singly,

2、To be conical and cluster on the water surface,Olive-shaped,separately deposited in the water,Anopheles: no siphon but spiracular plate, have palmate hair,Culex & Aedes: slend or wide siphon with pairs of pili around,no palmate hair,Larvae of Anopheles,Larvae of Culex,Larvae of Aedes,Anopheles Culex

3、 Aedes （pupa,adults）,Anopheles: black and white plaque in wing,Cules: deep brown in color, no plaque in wing,Aedes: black, white plaque in legs,Anopheles,Culex,Aedes,Fly,Musca domestica(家蝇) Boettcherisca pergrina(麻蝇) Chrysomyia megacephala(大头金蝇) Lucilia sericata(丝光绿蝇),Musca domestica （house fly） 4 b

4、lack strips on the thoracic back,Boettcherisca pergrina 3 strips on the thoracic back, to be tessellated in the dorsal abdomen,Lucilia sericata,Green metallic colour with silver white cheek,Chrysomyia megacephala,Deep reddish compound eyes, green blue metallic color,Tick,Capitulum and idiosoma eight

5、 legs idiosoma is further divided into regions as follows: podosoma: bearing the legs opisthosoma: the portion of the body posterior to legs,Hard tick,Soft tick,Hard tick,dorsal view,ventral view,scutum,Flea,Small reddish brown to black bilaterally flattened wingless,Follicle mite,100-400 m in lengt

6、h short, stumpy legs on the anterior half of the body lives in hair follicles, sebaceous glands of many species of mammals.,Louse (Pediculus humanus and Pthirus pubis ),small, flattened wingless distinct head, thorax and abdomen Each leg has a single tarsal segment with a large claw, an adaptation f

7、or clinging to the hairs of the host.,Bed-bug,reddish brown, up to about 8mm long. no wings Scent glands opening on the ventral side of the third thoracic somite produce an oil secretion and give bedbug-infested dwellings a disagreeable odor,Cimex lectularis, the human bedbug.,Cimex hemipterus, the

8、tropical bedbug.,This image gives a good indication of the size of bedbugs.,A bedbug feeding on human skin.,Itch mite,round or elliptic 4 pairs of legs: ambulacra (吸垫）on the anterior 2 pairs of legs on the two posterior legs of female distributed with bristles while for the fourth pair of legs of male are ambulacra,Female dorsal side,Male ventral side,female,male,Larva of Chigger mite,round, red body consists of capitulum and idiosoma, bearing a dorsal plate, or scutum a pair of sensillae and three to seven setae on the scutum numerous plumose setae distributed on th