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Hexagenia limbata. (Serville, 1829) [1] Hexagenia limbata, the giant mayfly, is a species of mayfly in the family Ephemeridae. It is native to North America where it is distributed widely near lakes and slow-moving rivers. [2] The larvae, known as nymphs, are aquatic and burrow in mud and the adult insects have brief lives.
During the weekend of 13–14 June 2015, a large swarm of mayflies caused several vehicular accidents on the Columbia–Wrightsville Bridge, carrying Pennsylvania Route 462 across the Susquehanna River between Columbia and Wrightsville, Pennsylvania. The bridge had to be closed to traffic twice during that period due to impaired visibility and ...
From May 3 to May 11, 2003, a prolonged and destructive series of tornado outbreaks affected much of the Great Plains and Eastern United States. Most of the severe activity was concentrated between May 4 and May 10, which saw more tornadoes than any other week-long span in recorded history; 335 tornadoes occurred during this period, concentrated in the Ozarks and central Mississippi River Valley.
The touchdown occurred in the greater Myrtle Beach area, west of Highway 22 and south of Highway 90, according to NWS meteorologist Adam Weiner. Weiner advised residents to stay off the roads and ...
All the mayflies die within about thirty minutes of emergence. [5] The eggs are about 1 mm (0.04 in) in diameter, among the largest of eggs laid by mayflies. The nymphs that hatch out of these burrow into the sediment on the bed of the river using their forelegs and head. Their usual habitat is fairly clean sand in an area with rapidly moving ...
The mayflies hare returned to Lake Erie and are apparently so bad people have had to break out the heavy equipment to clean up. Here's what to know. Mayflies are swarming near Lake Erie.
A large and robust storm system, unofficially named Winter Storm Finn by The Weather Channel, brought widespread impacts to much of the contiguous United States early in January 2024. In the northern United States, heavy snow, hail, and gusty winds affected areas from the Great Plains to New England. In the southern United States, a widespread ...
According to the USDA, soil temperatures in northern South Carolina and Georgia between 8 and 20 inches are about 63 degrees Fahrenheit; cicadas are known to emerge when the soil temperature at 12 ...