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  • Water-penny beetle - Wikipedia
    Water-pennies obtain oxygen through their membrane and through feathery gills located at the base of the abdomen They are typically found in riffles in streams with a moderate to fast current, clinging to the underside of logs or rocks
  • Psephenidae (water-penny beetles) | INFORMATION | Animal Diversity Web
    This small family of beetles gets its common name ("water pennies") from the unusual shape of the larvae, which have widely expanded dorsal plates that give the animals a flat round shape, like a coin
  • Water Penny - Insect Identification
    An adult Water Penny looks like many types of beetle: six legs, black body, shiny, and small Its larval stage looks quite unlike most beetle larvae Instead of a worm-like, white grub with a brown head curling in the soil, this larva looks like a legless oval and is aquatic
  • Water Penny Beetle Facts Information Psephenidae)
    The water penny is a beetle in the Order Coleoptera and the family Psephenidae The name “water penny” comes from the unique appearance of their larval form, which resembles a penny in shape and coloration!
  • Water Penny (Family Psephenidae) - Field Station
    Water pennies are the larvae of riffle beetles in the family Psephenidae (the first “P” is kind of silent, and “ph” = “f”) Water pennies live underwater on rocks in rapid currents—an unusual habitat for a beetle, but one that offers some protection from predators
  • Family Psephenidae - Water Penny Beetles - BugGuide. Net
    An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information
  • Water Penny Beetle Larvae - Missouri Department of Conservation
    Water penny larvae cling to the undersides of rocks and other submerged objects in flowing, unpolluted water The presence or absence of water pennies in a stream can indicate the water quality They cannot tolerate pollution, high sedimentation, and high amounts of algae and fungi
  • Water-Penny Beetles - chesapeakebay. net
    Water-penny beetles are small insects with an oval or circular shell and amber or copper coloring As juveniles, water-penny beetles' shells cover their head and legs when they are viewed from above, and they appear quite flat from the side, making them look much like a penny
  • Water Penny Beetles (Coleoptera: Psephenidae) - Springer
    After 10–12 days, the adult water penny beetle emerges from the pupal skin A median dorsal longitudinal crack in the tent-like larval carapace enables the adult to escape Weather permitting, it flies to a rock projecting above the surface of the stream in a nearby riffle
  • Water Penny - Beetle Identification
    Various colors commonly associated with this beetle The map below showcases (in blue) the states and territories of North America where the Water Penny may be found (but is not limited to)





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