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Nursery web spiders ( Pisauridae) are a family of araneomorph spiders first described by Eugène Simon in 1890. [1] Females of the family are known for building special nursery webs. When their eggs are about to hatch, a female spider builds a tent-like web, places her egg sac inside, and stands guard outside, hence the family's common name.
Striking characteristics of Pisaura mirabilis are its long legs (the fourth pair being the longest) and its slender abdomen ( opisthosoma ). The male is between 10 and 13 mm, while the female is 12 to 15 mm. [1] After final ecdysis, the male spiders weigh on average 54 mg and females 68 mg. The prosoma ( cephalothorax) is variable in color ...
Pisaurina mira, also known as the American nursery web spider, is a species of spider in the family Pisauridae. They are often mistaken for wolf spiders ( Lycosidae) due to their physical resemblance. P. mira is distinguished by its unique eye arrangement of two rows. P. mira is known for its wide distribution across eastern North America and ...
Carry hand sanitizer. While experts say that soap and water is the best way to get rid of germs, alcohol-based hand sanitizers work very well too. Always have a bottle with you when you're out and ...
Overview. Esophageal webs or rings are thin, membranous folds of tissue that form in the esophagus. Health professionals may use both “webs” and “rings” to refer to the same structure ...
All that eating and diapering will surely make your little one tired. So, you’ll need a safe place for your baby to sleep. Cribs can range in price from $100 to $3,000 and more, depending on ...
Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.
Ovulation usually happens 14 days before your next period begins, but it can vary from month to month -- even in women with regular cycles. To get a better sense of when you’re ovulating, chart ...