ENTOMOLOGY Flashcards
Biological Modes of Transmission -
PROPOGATIVE Transmission
Many number inside vector.
Plague bacilli in rat flea
Cyclodevelopmental transmission
Change in shape/size/developmental stage
Filarial worms in culex mosquito
Cyclopropogative Transmission
Shape + Number
Plasmodium in Anopheles mosquito
Anopheles disease
Malaria
Anopheles breeding place
Clean stagnant water
Anopheles eggs
Single boat shaped with lateral floats
Anopheles larva
Water surface (Surface feeder)
Takes air by coming out of water
Anopheles biting time
Morning and evening. (Dusk-Dawn)
Anopheles habitat (kidhar rehta hai) ghar ke andar ya bahar?
Exophilic - bahar
Anopheles bite painful or not
Less painful
Anopheles resting position ?
Head down ( Inclined / Landing ) position
Anopheles flight range
2-3 km
Anopheles special feat
Spots on wings
Aedes diseases
Dengue
Yellow fever
Chickengunya
Aedes breeding place
Artifical stored water
Cooler, flower pots , collected rain water
Aedes eggs
Single, cigar shaped
Aedes larva
Below surface of water :
Bottom feeder .
Has siphon tube to breathe
Aedes biting time
Peak is during day.
2hrs after sunrise and 2hrs before sunset
Aedes habitat (kidhar rehta hai ghar ke andar ya bahar)
Endophilic ( andar )
Aedes bite
Painful ( cannot be shoved off)
Aedes Resting position
Parallel to ground
Aedes flight range
100 - 200 m
Aedes special feature
Stripes on legs and body.
Fast moving mosq. .
Difficult to catch
Culex diseases
JE
Lymphatic filariasis
Culex Breeding place
Dirty polluted water
Culex eggs
Clusters, in rafts ( sheets)
Culex larva
Below surface of water:
Bottom feeder
Has siphon tubes to breath
Culex biting time
Peak at midnight
Culex habitat
Usually Exophilic
Endophilic during night time
Culex Bite
Stingy /Burning bite
Culex resting position
Hunch back position ( because of neck )
Culex flight range
11 - 13 km
Culex special feature
Brown colour,
Small body
Big wings
Causes buzzing.
Mansonia disease
Lymphatic filariasis
Mansonia breeding place
Large water body with aquatic vegetations
(Pistia plants , water hyacinths)
Mansonia eggs
Star shaped clusters
Mansonia larva
Attach to roots of aquatic vegetations through siphon :
Bottom feeder
Mansonia biting time
Peak is during morning and evening
Mansonia habitat
Exophilic
Mansonia bite
Relatively painless
Mansonia resting position
Squatting position
Mansonia flight range
2-3 km
Mansonia special feature
Long legs , large body