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  2. Scoliidae - Wikipedia

    en.wikipedia.org/wiki/Scoliidae

    Female scoliids burrow into the ground in search of these larvae and then use their sting to paralyze them. They sometimes excavate a chamber and move the paralyzed beetle larva into it before depositing an egg. Scoliid wasps act as important biocontrol agents, as many of the beetles they parasitize are pests, including the Japanese beetle ...

  3. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    Soil Classification Group Symbol Group Name COARSE-GRAINED SOILS. More than 50% retained on No.200 Sieve Gravels. More than 50% of coarse fraction on No. 4 Sieve Clean Gravels. Less than 5% fines Cu ≥ 4 and 1 ≤ Cc ≤ 3 GW Well-graded gravel Cu < 4 and/or Cc < 1 or Cc > 3 GP Poorly graded gravel Gravels with Fines. More than 12% fines

  4. Soil biology - Wikipedia

    en.wikipedia.org/wiki/Soil_biology

    The mineral content of the soil and its heartiful [clarification needed] structure are important for their well-being, but it is the life in the earth that powers its cycles and provides its fertility. Without the activities of soil organisms, organic materials would accumulate and litter the soil surface, and there would be no food for plants ...

  5. Campsomeris - Wikipedia

    en.wikipedia.org/wiki/Campsomeris

    Campsomeris is a Neotropical genus of the family Scoliidae, also known as the scoliid wasps. They are generally parasites of beetle larvae, most often of Scarabaeidae . [ 2 ]

  6. Soil classification - Wikipedia

    en.wikipedia.org/wiki/Soil_classification

    Soil texture triangle showing the USDA classification system based on grain size Map of global soil regions from the USDA. For soil resources, experience has shown that a natural system approach to classification, i.e. grouping soils by their intrinsic property (soil morphology), behaviour, or genesis, results in classes that can be interpreted for many diverse uses.

  7. Mammoth wasp - Wikipedia

    en.wikipedia.org/wiki/Mammoth_Wasp

    Once the beetle larva had been consumed the wasp larva builds a cocoon and pupates, emerging from the cocoon as an adult in the following spring. [4] The European rhinoceros beetle is the primary host for the mammoth wasp but it will also lay eggs on the larvae of other beetles in the Scarabaeoidea including Polyphylla fullo , Anoxia orientalis ...

  8. Scientists Found a 520-Million-Year-Old Miracle: a Fossil ...

    www.aol.com/lifestyle/scientists-found-520...

    Scientists discovered a 520-million-year-old fossilized larva with brains and guts intact, offering unprecedented insights into early arthropod evolution.

  9. Soil matrix - Wikipedia

    en.wikipedia.org/wiki/Soil_matrix

    In soils, clay is a soil textural class and is defined in a physical sense as any mineral particle less than 2 μm (8 × 10 −5 in) in effective diameter. Many soil minerals, such as gypsum , carbonates, or quartz, are small enough to be classified as clay based on their physical size, but chemically they do not afford the same utility as do ...