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How many times do nymphs moult to reach ...

How many times do nymphs moult to reach the adult form of cockroach ?

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The nymph grows by moulting about 13 times to reach the adult form. The developm ent is paurometabous. Three phases are seen to obtain adult form e..g. egg, nymph and adult nymphs look very much like adults except undeveloped wings and male reproductive organs.
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