寄生蟲學(xué)英文課件：Experimental Arthropod(2007)

1、Section 8 Medical Arthropodmosquito,fly,louse,flea,tick,mitesand fly,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,To be

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

3、des,Anopheles Culex 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(家蠅) Boettcherisca pergrina(麻蠅) Chrysomyia megacephala(大頭金蠅) Lucilia sericata(絲光綠蠅),Musca domest

4、ica （house fly） 4 black strips on the thoracic back,Boettcherisca pergrina (flesh fly) 3 strips on the thoracic back, to be tessellated in the dorsal abdomen,Lucilia sericata ( green fly),Green metallic colour with silver white cheek,Chrysomyia megacephala (golden fly),Deep reddish compound eyes, gr

5、een blue metallic color,Flea,Small reddish brown to black bilaterally flattened wingless,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 for clinging to the hairs of the hos

6、t.,Tick,Capitulum and idiosoma eight 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,Follicle mite,100-400 m in length short, stumpy legs on the a

7、nterior half of the body lives in hair follicles, sebaceous glands of many species of mammals.,Itch mite,round or elliptic 4 pairs of legs: ambulacra (吸墊）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 ambula

8、cra,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 the body,Sand-fly,grayish white hold its w

9、ings at rest 60from the body. many hairs on the body and wings, a pair of large, dark compound eyes.,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 h