Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 9 · column 5 of 5 · from the scan, no model involved
Nymphs all have an extendable lower lip with hooked lobes that shoots out and impales prey. They’re intolerant of poor water conditions and sometimes used as bioindicators of water quality.
Nymphs eventually crawl out of the water and emerge as fully terrestrial winged adults whose main preoccupation is mating. Males aggressively defend territories near bodies of water and attempt to attract females, who are shyer and evaluate males from a distance. When a willing female arrives, the male clasps the female by the head or thorax and the attached pair flies around in tandem, either mating in flight or perching briefly to mate. Afterwards, females begin depositing eggs on vegetation or directly into the water, where they hatch and begin their lives as aquatic predators.
Adults commonly live only one breeding season, so they usually
See NATURE, Page B8
86.6%