PARASITOLOGY entamology

JMJ 1

JMJO Great St. Joseph of Cupertino who while on earth did obtain from God the grace to be asked at your examination only the questions you knew, obtain for me a like favors in the examinations for which I am now preparing. In return I promise to make you known and cause you to be invoked.

Through Christ our Lord.St. Joseph of Cupertino, Pray for us.

Amen.

Flies

JMJ 2

House Fly Musca domestica

JMJ 3

House Fly Musca domestica

JMJ 4

• Vein 4 bending up sharply to join the costa close to vein 3

this is an important character which can help distinguish Musca species from other rather similar species

JMJ 5

House Fly- Musca domestica

House Fly Musca domestica wing

JMJ 6

House Fly Musca domestica wing

JMJ 7

• At the posterior end of the body of the larva, there is a pair of conspicuous spiracles shaped like letter D

each spherical, has a thick outer wall “ peritreme” it encloses three vary sinous spiracular slits

characteristic pattern varies depending on the species

JMJ 8

House Fly- Musca domestica larva

House fly – Musca domestica larva

JMJ 9

House fly – Musca domestica larva

JMJ 10

• Creamy white in colour

distinctly concave dorsally giving them a banana shaped appeaarance

JMJ 11

House Fly- Musca domestica Eggs

House fly – Musca domestica eggs

JMJ 12

Sand fly – Genus PHLEBOTOMUS

JMJ 13

Small body with hairy appearanceHead bent at an acute angleHas large black eyesWings held erect when the fly is at restLong slit-like legs

Sand fly – Genus PHLEBOTOMUS

JMJ 14

Sand fly – Genus PHLEBOTOMUS

JMJ 15

Sand fly – Genus PHLEBOTOMUS

JMJ 16

Sand fly – Genus PHLEBOTOMUS

JMJ 17

Sand fly – Genus PHLEBOTOMUS

JMJ 18

Tsetse fly – Glossina Spp

JMJ 19

• “Hatchet cell” between 4th and 5th vein is the characteristic feature

JMJ 20

Tsetse Fly- Glossina Spp

Common flesh fly – Sarcophaga Spp- larva

JMJ 21

Common flesh fly – Sarcophaga Spp- larva

JMJ 22

Chrysomyia Spp. Adult and larvae

JMJ 23

Chrysomyia Spp. Posterior spiracles

JMJ 24

Chrysomyia Spp. Posterior spiracles

JMJ 25

Mites

JMJ 26

Sarcoptes scabiei – in skin infection

JMJ 27

• Larger than male

four pairs od short stumpy legs

Anterior 2 pairs end in suckers

posterior 2 pairs end in bristles

JMJ 28

Sarcoptus scabiei- female

• Smaller than female

four pairs of short stumpy legs

First, second and 4th pairs end in suckers

3rd pair ends in bristles

JMJ 29

Sarcoptus scabiei- Male

Bugs

JMJ 30

Adult Reduvid/ Triatomine/ Cone-Nosed BugLong snout like headProminent dark coloured eyesPair of laterally placed long thin antennaeFlattened bodyBark brown with red and yellow markings on

thorax, wings and sides of abdomen2 pairs of wings (fore wings and hind wings)3 pairs of thin elongated legs

JMJ 31

Adult Reduvid/ Triatomine/ Cone-Nosed Bug

JMJ 32

Adult Reduvid/ Triatomine/ Cone-Nosed Bug

JMJ 33

Bed bug (Cimex lectularis)Oval in shapeFlattened dorsoventrallyPale yellow/brown in colourHead has a pair of antenna and a folded,

slender proboscisBiting nuisanceBoth sexes feed on blood

JMJ 34

Bed bug (Cimex lectularis)Head

◦ Short and broad with prominent eyes◦ Four segmented laterally placed antennae◦ Proboscis held closely appressed along the ventral surface of the

headBody

◦ 4-5 mm long oval wingless insect◦ Flattened dorsoventrally

Wings◦ Two rudimentary non functional wings termed “Hemelytra”

Legs ◦ Three pairs of slender, well developed legs

JMJ 35

Bed bug (Cimex lectularis)Head

◦ Short and broad with prominent eyes◦ Four segmented laterally placed antennae◦ Proboscis held closely appressed along the ventral surface of the

headBody

◦ 4-5 mm long oval wingless insect◦ Flattened dorsoventrally

Wings◦ Two rudimentary non functional wings termed “Hemelytra”

Legs ◦ Three pairs of slender, well developed legs

JMJ 36

Lice

JMJ 37

Lice

JMJ 38

Lice

JMJ 39

Lice

JMJ 40

Lice

JMJ 41

• Bifurcated posterior end

JMJ 42

Pediculus humanus - female

• Round posterior end

medially placed male genital organ (Penis)

JMJ 43

Pediculus humanus - male

Pediculus humanus - female

JMJ 44

Pediculus humanus male

JMJ 45

Pediculus humanus humanus (body louse)Pediculus humanus capitis (Head louse)

JMJ 46

WinglessFlattened dorsoventrallySimple lateral eyesChitinous thorax3 pairs of legs ending with an apical claw and

a spine2-4 mm in length

Pediculus humanus humanus (body louse)Pediculus humanus capitis (Head louse)

JMJ 47

Pediculus humanus humanus (body louse)Pediculus humanus capitis (Head louse)

JMJ 48

Pthirus pubis (cran louse)General features

◦ 0.8-1.2 mm in length◦ Crab like appearance◦ Oblong turtle shaped body

Head◦ Rectangular shaped◦ Pair of 5 jointed antennae◦ Pair of simple lateral eyes

Legs◦ 3 pairs of legs◦ 1st pair not well developed◦ Last 2 – provided with well developed heavy claws

JMJ 49

Pthirus pubis (cran louse)

JMJ 50

Lice nit

JMJ 51

Fleas

JMJ 52

Order Siphonaptera

Family pulicidae

Combless fleas

G Xenopsylla Pulex

Combed fleas

G Nosopsyllus

Ctenocephalides

Leptolsyllus

G. Tunga

JMJ 53

Fleas

JMJ 54

FleasBody is laterally compressedLight to dark brown in colourWingless insectsThree pairs of powerful and well developed

legsHind pair of legs are specialized for jumpingLegs and body are covered with bristles and

small spines

Pulex irritans (Human flea)Combless

fleasNo meral rod

JMJ 55

Pulex irritans (Human flea)

JMJ 56

Ctenocephalides

JMJ 57

Rat Flea – Xenopsylla cheopis

JMJ 58

Rat Flea – Xenopsylla cheopis

JMJ 59

Absent both genal and pronotal combsPrecence of meral rod‘C’ shaped spermatheca (female)Round posterior end (female)

Ticks

JMJ 60

Hard tick- (Ixoda dommini) male

JMJ 61

Hard tick- (Ixoda dommini) male

JMJ 62

Hard tick- (Ixoda dommini) female

JMJ 63

Hard tick- (Ixoda dommini)

JMJ 64

Hard tick- (Ixoda dommini)

JMJ 65

Soft tick- (Argus persicus)

JMJ 66

Soft tick- (Argus persicus)

JMJ 67

Body – oval flattened dorsoventrallyCapitulum (mouthparts) – situated ventrally

thus not visible No scutum4 pairs of legs

Soft tick- (Argus persicus)

JMJ 68

Soft tick- (Aroasidae)

JMJ 69

JMJ 70

THANK YOU!