Word: Periodical Cicada
Part of Speech: Noun
Definition: A periodical cicada is a type of cicada found in North America. These insects are known for appearing in very large groups after spending a long time underground as nymphs, typically 13 to 17 years, before they emerge to mate and reproduce.
Usage Instructions:
Use "periodical cicada" when talking about this specific insect that has a long life cycle and emerges in large numbers after many years.
You can refer to them when discussing nature, entomology (the study of insects), or seasonal events.
Example Sentence:
Advanced Usage:
In scientific discussions, you might hear phrases like "emergence of periodical cicadas" or "brood cycles of periodical cicadas," which refer to the specific groups that emerge at the same time based on their life cycle.
Word Variants:
Cicada: The general term for this group of insects, which includes many species, not just the periodical ones.
Brood: This term refers to a group of periodical cicadas that emerge at the same time.
Different Meanings:
Cicada: In some cultures, cicadas symbolize rebirth and immortality due to their long life cycle and dramatic emergence.
Note that "periodical" can also mean something that happens regularly, like a magazine that is published every month.
Synonyms:
Idioms and Phrasal Verbs:
There are no common idioms or phrasal verbs specifically related to "periodical cicada," but you might encounter phrases like "come out of hiding," which can metaphorically describe how these cicadas emerge from the ground.
Summary:
A periodical cicada is a fascinating insect that has a unique life cycle, emerging in large numbers only after many years underground.