- Detected in faecal specimens of infected human
- Eggs embryonated when passed
- Egg is infective to snail intermediate host
Diagnostic Features
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- Size: 30 µm x l6 µm (range: 27-35 µm x 11-20 µm) – smallest digenean eggs found in human
- Shape: Oval or elongated with broad rounded posterior end – bulb shaped
- Colour: Yellow brown
- Convex operculum that rests on a thickened collar
- Small knob-like projection at posterior end
- Contains a miracidium when passed
