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• Most adult flies should be pinned or point-mounted.
  
  
• Nematocera and Acalyptratae may be submitted in 70% ethanol.
  
  
• All larvae and pupae should be submitted in 70% ethanol.
  
  
• If you have access to the necessary equipment, small specimens that have undergone critical point drying are preferred.
  
  
• Large submissions should be sorted by family and/or morpho-species, and all specimens should be individually labeled with collection locality data.