Dispar compacta (Butler)  (Barred Grass-skipper)

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Newly laid eggs

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Fertile eggs

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Mature eggs with female abdominal hairs left on the eggs, presumably for camouflage

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Mature egg ready to hatch

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Eggs after their tops have been breached by the developed larvae.
The larvae may just sit inside the eggs with their black heads blocking the openings and will not emerge until wetted by autumn rain, usually combined with a seasonal drop in air temperatures. 

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Larvae hatching from egg

Photography by R. Grund