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Chaoborus americanus
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Diptera
Family Chaoboridae
Distinguishing Characteristics
  • Pre-labral leaf-like appendages very broad
  • Madibular fan with 25 or more rays (O.A. Johannsen, 1934)
Ecology
  • Does not exhibit diel vertical migration (DVM)
  • Lives almost exclusively in fishless ponds
  • Tends to be larger and more pigmented than Chaoborus punctipennis
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