periodical cicada, n.
North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
<noun.animal>
Magicicada septendecim periodical cicada seventeen-year locust
Word
North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
<noun.animal>
Magicicada septendecim periodical cicada seventeen-year locust