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+Polystoma integerrimum
Created and Presented by: Lindsey Petrovich
Amanda Reinesch
Characteristic
s
Normal
Life Cycle
Neotenic
+Polystoma integerrimumCHARACTERISTICS
NAME: Polystoma integerriumum No common name
GEOGRAPHIC RANGE: Old World mainly Europe
HABITAT: lives in bladders of common Old World frogs
+Polystoma integerrimumCHARACTERISTICS
HUMANS: no known importance to people
DIET: eat blood
LENGTH: Adult worms are 10 millimeters
+Polystoma integerriumumCHARACTERISTICS
REPRODUCTIVE CYCLE - synchronized with host’s hormones
Providing a supply of hosts to hatching oncomiracidia Oncomiracidia – larvae of Monogenea Monogenea – ectoparasites of skin/gills of fish, amphibians,
reptiles
TWO ADULT STAGES – Normal and Neotenic Neotenic - The achievement of sexual maturity by an organism
still in its larval stage
+Polystoma integerrimumCHARACTERISTICS
MOST ACTIVE – Spring when frogs are
active
DORMANT – Winter when frogs are
hibernating
+Polystoma integerriumumLIFE CYCLE
PHASE 1 – When frogs’ gonads begin to swell and produce gametes, worms become sexually active and produce eggs that are released into the urine
STEP 2 – Eggs are voided into water in frogs’ spawning area
STEP 3 – Oncomiracidia hatch in 20-50 days depending on temperature of the water
STEP 4 – In the 20-50 days the frogs’ eggs have developed into tadpoles (these tadpoles are the next host generation)
STEP 5 – Oncomiracidia attach to the tadpoles’ gills during ventilation
STEP 6 – Metamorphoses occurs and eggs are produced in 20-25 days
+Polystoma integerrimumGILL FORM (Neotenic)
More narrow body
Opisthaptor is not set off from the body
Intestine has fewer lateral branches
Ovary is different shape
No uterus or genitointestinal canal
+Polystoma integerriumumGILL FORM – LIFE CYCLE
STEP 1 – Eggs of Polystoma integerrimum hatch in 15-20 days when the water is warm
STEP 2 – The larvae then attach to tadpole gills
STEP 3 – Metamorphoses begins
STEP 4 – The larvae migrate to the bladder of the tadpole This process occurs over the ventral skin of the tadpole and only
takes about a minute
STEP 5 – Once in the bladder, the worms develop slowly This maturation process takes about four to five years
STEP 6 - Eggs are produced
+References and Citations http://animals.jrank.org/pages/1523
/Monogeneans-Monogenea-NO-COMMON-NAME-Polystoma-integerrimum-SPECIES-ACCOUNTS.html
http://www.wildanimalsonline.com/amphibians/commonfrog-ranatemporaria.jpg
http://2.bp.blogspot.com/_ifNvMe6zXXc/SsgN01gU_RI/AAAAAAAAAr0/11XDUDfoy0g/s400/polystoma.jpg
http://parasitology.informatik.uni-wuerzburg.de/login/n/h/0887.html
http://dictionary.reference.com/browse/neotenic
http://andrewprokos.com/d/central-park-spring-blossoms?g2_itemId=1903&g2_serialNumber=2
http://media-cdn.tripadvisor.com/media/photo-s/01/0f/39/c2/lawn-in-winter.jpg
http://giraffian.com/pictionary-files/t/tadpole.png
http://stock-images.antiqueprints.com/images/sm0007-GibsonOldWorld1758.jpg
http://biology.touchspin.com/images/Frog_Blood_POI1_400x_LF_7.jpg
http://www.e-tutor.com/lsnpics/52133_FROG_internal3.gif
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