Phylum / Class
NAME OF PARASITE
COMMON NAME
Phylum : Nemahelmi!hes Class: Nema!"#a $ THE FILARIAE
Wuchereria bancrofi
Bancrof’s Filaria
Brugia malayi
ala*an Filaria
ADULT SIZE
EGG SIZE
DEFI DEFINI NITI TIVE VE HOST HOST
INTE INTERM RMED EDIA IATE TE HOST
INFECTIVE STAGE
MICROFILARIAE
Adult FEA!E 40-100 mm A!E 20-40mm Mi%&"'la&ia& Mi%&"'la&ia& 200-2+0 um long
"uman
os#uito $ano%h&l&s $'ul&( $A&d&s
icro)laria&
"uman
os#uito
3rd stag& lar,a&
Mi%&"'la&ia& Mi%&"'la&ia& 24+-300 um
"uman
'hr*so%s Atlancus
3rd stag& lar,a&
Mi%&"'la&iae 150-335 um
"uman
Black/* imuluim
3rd stag& !ar,a&
Mi%&"'la&ia 220 um l&ngt 250mm 6* -7 mm
"uman
i%t&ra %&ci& culicoid&s sucking midg&s$ simulium 6lack /i&s
3rd tag& !ar,a&
Mi%&"'la&ia 200 ( 4.5 um
"uman
i%t&ra %&ci& culicoid&s sucking midg&s$ simulium 6lack /i&s
3rd tag& !ar,a&
240-300 mm long 7.5-10 um thick
Loa loa
E*& orm
Onchocerca volvulus
Blinding Filaria
Mansonella ozzardi
& orld Filaria
Mansonella perstan
8&rstans Filaria
M 24mm long F 53 mm long F 3+-72 mm 2+-35 mm F 500 mm long M 25-50 long M 24-2+ mm 70-+0 um F 5-+0$70 long 0.21-0.25 um id&
F 7-+ cm 0.12 l&ngth M 4.5-0.0
Phylum : Pla!yhelmi!hes Class : Ces!"#a $ THE CESTODES
Mansonella streptocerca
i%talom&na tr&%toc&rca
Taenia saginata
B&&9 ta%&orm
Taenia. solium
8ork ta%&orm
F 27 mm M 50mm
Mi%&"'la&ia 1+0-240 um 2.5-5
"uman
culicoid&s
3rd tag& !ar,a&
"uman
'a=l&
'*sc&rcoid lar,a&
"umans
8igs
'*sc&rcoid
S%"le(:
2+-40
;$ 4 suck&rs
30
G&a)i# P&"*l"+#:
;%h&rical
;17.5 6* 5.5
;$ h&(acanth
;15-30 lat&ral
&m6r*o
6ranch&s on &ach
;3 %airs o9
sid& o9 ut&rus S%"le(:
hookl&ts ;30-35
;$ 4 suck&rs
diam&t&r
;$ rost&llum and
;radiall*-striat&d
lar,a&
dou6l& 6ron hooks G&a)i# P&"*l"+#: ;#uar&-sha%&d ;7-15 lat&ral 6ranch&s on &ach
Hymenolepis nana
Hymenolepis diminuta
ar9 ta%&orm
>at ta%&orm
sid& o9 ut&rus S%"le(:
45 6* 3+
;$ 4 suck&rs
;roundish to o,al
;$ short rost&llum
;colorl&ss sh&ll
;$ on& ro hook
;$ %olar
G&a)i# P&"*l"+#:
thick&ning
;2( as id& as long
;$ h&(acanth
;aclik& ut&rus
&m6r*o and 3
)ll&d ith &ggs
%airs o9 hookl&ts
S%"le(:
55 6* +5
;$ 4 suck&rs
"umas$ >od&nts
?rain B&&tl&
Egg stag&
>ats
?rain B&&tl& $ Fl&a
'*sc&rcoid lar,a&
;$ short rost&llum ;$ o hook G&a)i# P&"*l"+#: ;1mm 6* o,&r 2 mm
Dipylidium caninum
og or cat ta%&-
S%"le(:
orm@ %um%kin
;$ 4 suck&rs
diam&t&r
s&&d ta%&orm
;clu6-sha%&d
;5-30 &ggs in
;rost&llum 1-7
&nclos&d %ack&t
circl&ts o9 s%in&
;$ i(-hook&d
G&a)i# P&"*l"+#:
oncos%h&r&
;30-0
ogs
og$cat /&as
'*sc&rcoid lar,a&
;8um%kin s&&dsha%&d ;Full o9 &ggs in &nclos&d &m6r*onic chinococcus granulosus
Phylum : Nema!helmi!hes Class : Nema!"#a $ THE NEMATODES
og ta%&orm@ h*dad ta%&orm
m&m6ran& ;4.5mm in l&ngth
2+-40
;$ scol&(@ small
30
n&ck@ 3 %roglods@
;%h&rical
on& at &ach stag&
;$ h&(acanth
;col&(: 4 suck&rs
&m6r*o
3 hooks
;3 %airs o9 hookl&ts 55-75 um long 40-55 um id&
Diphyllobothrium latum
Broad Fish Ca%&orm
Coo sucking
nterobius vermicularis
8inorm
F
groo,&s
7-14 mm u% to 0.5 mm M 2-4 mm
4- 0 um long 20-35 um id& Do,al on& sid& /a=&n&d Dsh&l is dou6l&
ogs or ild canin&
h&&%
Egg stag&
'*clo%s $ co%&%ods
"umans
on&
Em6r*onat&d &gg
0.3 mm D*&lloish
la*&r&d thick colorl&ss
hit&@%oint&d
Trichuris trichiura
hi%orm
r&s&m6l&s %inh&ad M 2.5-2 cm long Dmal& usuall*
50-55 6* 25 um Dh*alin& %olar %lug at &ach &nd
"umans
on&
Em6*onat&d Egg
40-75 um 6* 3050 um Dthick chin
"umans
on&
Em6r*onat&d
0-75 um long 35- 40 um idth
"umans
on&
3rd tag& !ar,a&
55-0 um long 35- 40 um idth
"umans
on&
3rd tag& !ar,a&
!ar,a G0 um long
"umans
on&
3rd tag& !ar,a&
"umans
on&
3rd tag& !ar,a&
small&r than
!scaris lumbricoides
!arg& nt&snal >oundorm
9&mal&s F 22-35 cm
"ecator americanus
& orld hookorm
% to 30 cm F G-12 mm long
Egg
0.25-0.50 mm 5-10 mm long 0.2-0.4 m id& Dcontains %air o9
!ncylostoma duodenale
Hld orld hookorm
cung %lat& F G-12 mm long 0.25-0.50 mm 5-10 mm long 0.2-0.4 m id& ,contains actual
#trongyloides stercoralis Dracunculus
Chr&adorm
t&&th F 2 6* 0.4 mm
?uin&a orm
F
!ar,a
+40-1.5 mm
medinensis
0 6* 15 um
21 6* 0-4 mm
Trichenella spiralis
Su-hylum : Mas0*"-h"&a Class : Z""mas0*"-h"&a $ THE FLAGELLATES
$iardia intes%nalis
Crichina orm
F M
Enc*st&d !ar,a& 75 -120 um long 4-7 um id&
2 6* 0.04 mm T&"-h"."i!e
Cys!
4 6* 0.5 mm
'&rcomonas int&snalis
+-20 um long 5-1 um id& D%&ar sha%&d D6ilat&rall* s*mm&trical Dnucl&i has to
on& Enc*st&d &gg
+-17 um long -10 um id& Do,oid in sha%& DFour c&ntral kar*osom& Dmmatur& c*st
"umans
on&
c*st
5-10 um long D!&mon sha%&d ith a cl&ar h*alin& kno6 &(t&nding 9rom th& ant&rior &nd D"as on& nucl&i ith larg& c&ntral kar*osom& and has no %&ri%h&ral chroman Ch&r& is no knon c*st stag& o9
"umans
on&
'*st
"umans
on&
o,oid sha%&d ith larg& kar*osom& D9our %airs o9 Flag&lla
&hilomas%' mesnili
on&
5-25 um long 5-10 um id& D%&ar sha%&d Don& ith small c&ntral nucl&i D"as 9our /ag&lla
Dientamoeba (ragilis
on&
5-1+ um Drr&gularl* round
Cro%hoIoit&
D"as to nucl&i
.9ragilis
consisng o9 mass&d clum%s o9 9our to &ight
Trichomonas hominis
on&
chroman granul&s 7-20 um long Ch&r& is no knon c*st stag& 9orm o9 5-1+ um idth C.hominis D%&ar sha%&d
"umans
on&
Cro%hoIoite
3-10 um long 4-7 um idth DH,al sha%& DFour nucl&us
"umans
on&
'*st
3-G um long % to 5 um id& D!&mon sha%&d Don& nucl&i locat&d in ant&rior c&ntral r&gion ith c&ntral kar*osom&
"umans
on&
'*st
Ch&r& is no c*st stag& o9 C.t&na(
"umans
on&
Cro%hoIoit&
Ch&r& is no knon C. ,aginalis c*st stag&
"umans
on&
Cro%hoIoit&
Don& nucl&i
nteromonas hominis
on&
3-10 um long 3-7 um idth DH,al sha%& D"as on& nucl&i@ ith c&ntral kar*osom&
)etromonas inte%nalis
on&
DFour /ag&lla 3-7 um long 5. um id& DH,oid sha%& Don& nucl&i ith small c&ntral kar*osom&
Trichimonas tena'
on&
5-14 um long DH,al sha%&d DHn& o,oid nucl&us DFi,& /ag&lla
Trichimonas vaginalis
on&
% to 30 um long DH,oid sha%& DHn& nucl&i
DFi,& /ag&lla
Phylum : Pla!yhelmi!hes Class : T&ema!"#a $ THE TREMATODES
*asciola bus+i
!arg& nt&snal /uk&
12+-140 um 6* 7+-+5 um Dund&,&lo%&d miraciduim
"uman
>a66it@ %igs@ dogs
Egg stag&
*asciola hepa%ca &lonorchis sinensis
h&&% li,&r /uk&
12+-150 um 6* 0-G0 um
"uman
nail
Egg stag&
"uman
Fish
Egg stag&
Heterophyes heterophyes
"&t&ro%hid Fluk&@ Jon i&6olds
"uman
nail
Egg stag&
Metagonimus yo+oga,ai
"&t&ro%hid /uk&
"uman
nail
Egg stag&
-aragonimus ,estermani
Hri&ntal lung /uk&
30 6* 15 um Dd&,&lo%&d miraciduim Dith o%&rculum 30 6* 15 um Dd&,&lo%ing miracidium Dhas thick sh&ll 30 6* 15 um Dd&,&lo%ing miracidium Dhas thin sh&ll +0 to 120 Km long 40 to 70 id& Dith a disnct o%&rculum t has o,um
"uman
nail and cra6 &rioch&ir
&tac&rcaria
110-170 Km 6* 3+-70 Km DA%%&aranc& !arg& ith DC&rminal %in& and d&,&lo%&d iracidium
"uman
nail Biomphlaria Alexandria)
'hin&s& $li,&r /uk&
2-0.5 cm
7 to 1 mm 6* 4 to + mm D"&rma%hrodic D"as oral and ,&ntral suck&rs
#chistosoma mansoni
ansons 6lood /uk&
M 1 cm long 0.L 1.1 cm 0.1 cm id& D it has a 9 unn&lsha%&d oral suck&r
Schistosoma
c&rcaria 9ork&d tail
F 1.2 to 1. cm long 0.01 cm id& D c*lindrical 6od*@ long&r and thinn&r than th& mal&s
#chistosoma aponicum
Hri&ntal 6lood /uk&
Male $ 1.2cm 6* 0.5 mm Female $ 2 cm 6* 0.4 mm
#chistosoma haemotobium
J&sical Blood Fluk&$Bladd&r Blood Fluk&
Male $ 10 to 15 mm long Female $ 1-22 mm Both s&(&s ha,& to suck&rs
Phylum: Sa&%"#ia Class: L""sea
ntamoeba histoly%ca
non&
nail
c&rcaria
110-170 um long 6* 40 to 70 mm id&. Dith a disnc,& t&rminal s%in& D cl&ar and contain miracidia.
"uman
nail Bulinus truncatus)
9ork&d tail
"uman
Fli&s and cockraoach&s
'*st
"uman
Fli&s and
'*st
Cys!
+-5 um
+-22 um D%h&rical to round in sha%& Dhas on& to 9our nucl&i Dmall and c&ntral kar*osom& 5-12 um
D)ng&r lik& DHn& nucl&i Dmall and c&ntral kar*osom& on&
"uman
T&"-h"."i!e
%s&udo%odia
ntamoeba
50- +5 Km 6* 3+0 Km DA%%&aranc& 1sh&ll is thin ithout an o%&rculum -ith a lat&ral s%in&.
5- 15 um
c&rcaria
D)ng&r lik&
hartmani
%s&udo%odia D"as on& nucl&i Dmall and c&ntral
ntamoeba coli
non&
kar*osom& 12-55 um DBlunt %s&udo%ods D"as larg& kar*osom&
ntamoeba polec+i
non&
+-25 um D"as on& nucl&i Dmall and c&ntral
D%h&rical in sha%& DHn& to 9our nucl&i
cockraoach&s
+-35 um D>ound to s%h&rical in sha%& D"as on& to &ight nucl&i
"uman
Fli&s and cockraoach&s
'*st
10-20 um Ds%h&rical and o,al in sha%&
"umans
8igs and onk&*s
'*st
4-12 um D%h&rical in sha%& DHn& to 9our nucl&i D!arg& 6lotlik& kar*osom&
"uman
Fli&s and cockraoach&s
'*st
5-22 um DH,oid in sha%& DHn& nucl&i D!arg& kar*osom& Ch&r& is no knon c*st stag& o9 E.gingi,alis
"uman
"og
'*st
"uman
"umans
Cro%hoIoit&
kar*osom&
ndolina' nana
on&
5-12 um DBlunt %s&udo%ods Don& nucl&i Dlarg& kar*osom&
/odamoeba butschlii
on&
+-22 um DHn& nucl&i D!arg& Mar*osom&
ntamoeba gingivalis
on&
+-20 um DJar*ing %s&udo%ods a%%&aranc& DHn& nucl&i
D'&ntrall* locat&d
"aegleria (o,leri
on&
kar*osom& +-22 um Dluglik& 6lunt %s&udo%ods Dhas on& nucl&i
!canthamoeba species
on&
D!arg& kar*osom& 12-45 um Dluggish s%in&lik& %s&udo%ods DHn& nucl&i D!arg& kar*osom&
G-12 um Dsluglik& 6lunt %s&udo%ods D!arg& kar*osom&
"uman
"umans
Cro%hoIoit&
+-25 um Droundish ith ragg&d &dg&s DHn& nucl&i D!arg& kar*osom&
"uman
"umans
Cro%hoIoit&