Brood X (Brood 10), the Great Eastern Brood, is one of 15 broods of periodical cicadas that appear regularly throughout the eastern United States. [1][2] The brood's first major emergence after 2021 is predicted to occur during 2038. [1][3] Map of periodic cicada broods with Brood X shown in yellow.

2022年9月1日 · Brood X (X is 10 in Roman numerals) is the largest brood of 17-year cicadas. This brood is found in three separate areas centering around Pennsylvania and northern Virginia, Indiana, and eastern Tennessee.

2021年3月29日 · Every 17 years, the billions of periodical cicadas that make up Brood X turn their attention from tree roots to the sky. In the spring of 2021, after nearly two decades of development...

2024年7月24日 · 2024 marked the first time since 1803 that two cicada broods—the 17-year Brood XIII, concentrated in northern Illinois, and the 13-year Brood XIX found in southern Illinois, Missouri, Arkansas and throughout the Southeast—emerged together.

2021年4月28日 · Brood X is the name for the big generation of cicadas due in the spring of 2021, just as in 2004 and 1987. Theoretically, there should be 17 different generations of 17-year cicada, each...

Brood X is neither the easternmost nor the largest of the broods. Even so, Brood X is among the largest (by geographic extent) broods of 17- year cicadas. A disjunct population exists on Long Island (Simon and Lloyd 1982).

2021年12月14日 · After 17 years underground, crowds of Brood X cicadas in the eastern United States dug their way up to daylight, took adult form and flirted in loud crowds. These beauties were seen in...

2021年4月26日 · Brood X is a regional population of periodical cicadas that have lived underground for 17 years awaiting their emergence to the surface to mate. These bugs with their black bodies, striking red eyes, and orange-veined wings are not considered pests despite their menacing appearance.

In 2020, we put out several articles and pictures of rogue Brood X periodical cicadas that showed up in Montgomery, Howard and Anne Arundel counties. These were just periodical cicadas (Brood X) that got out-of-sync with the main body. The big emergence is set for this spring.

2021年4月21日 · Of the 12 active periodical cicada broods, Brood X (pronounced "Brood 10") is one of the largest and most concentrated, comprising all three known 17-year cicada species, Magicicada...