Parasitology
Lab-20 (mosquito + sand-fly + fleas )
1- Mosquito:
1- only two are important Anopheles and Culex
2- morphology :
one pair of wings
three pairs of legs
head ( circular – one pair of eyes – contain proboscis and antennae and maxillary
palp )
3- medical importance it is a vector for :
Malaria ( parasite )
Filariasis ( parasite )
Yellow fever + Denque ( viral disease )
Viral encephalitis
Anopheles male
Anopheles female
Culex male
Culex female
Hair
More hairy
Less hairy
More hairy
Less hairy
Antennae
Plumose
Pilose
Plumose
Pilose
Maxillary palps
End as club shape As long as proboscis Turned upward Short
2- Sand-Fly :
1- only one is important phlebotomus papatassi
2- morphology :
one pair of wings ( V shape on resting position )
very hairy ( over all the body )
small ( 3 mm size )
yellowish in color
16 joined antennae ( with one long pair of antennae )
3- medical importance it is a vector for :
Leishmania ( barazilliasis – kala azar )
sand-fly fever ( viral )
bartonellosis ( bacillus disease )
3- Fleas :
1- only one is important Siphonaplera
2- morphology :
small size ( 2 - 2.5 mm )
wingless
3-4 pairs of strong legs ( help the fleas to jump )
Compressed laterally
Mouth part and antennae are short
Small head
3- medical importance it is a vector for :
Plaque
Endemic typhus (( epidemic typhus transmitted by lice ))
Number of bacterial and viral diseases