Entomology Specimen Referrals

The following table lists information relevant to the collection and testing of specimens for Entomology investigations.

Note: All specimens sent to the Entomological unit must be accompanied by the following information:

  • Method of specimen collection
  • Date and time of specimen collection
  • Name of specimen collector
  • Country and location
  • Type of habitat (from which collection was made)
Test Specimen recommended Notes Turnaround time (calendar days)
Insecticide resistance Aedes aegypti mosquito eggs On removal from ovitraps, the paper containing eggs should be placed in a container lined with damp paper towels.
After 2-3 days, the paper should be removed from the container and left to air-dry for 1-2 days. Fold paper in two with the side containing the eggs on the inside.
Mosquito identification (larval specimen) Specimen collected and killed in hot but NOT boiling water Specimen should be sent in vials containing 70% ethanol. 7
Mosquito identification (adult specimen) Specimen killed with chloroform, ether, carbon dioxide or rapidly frozen in a domestic refrigerator The specimen should be packaged and sent in a small vial or cardboard box lined with grease-proof paper or paper towels. 7
Virus isolation: Dengue fever Live adult mosquitoes: Aedes aegypti Individual vials should contain a pool of 20 adults. These vials should be lined with grease-proof paper and stored in a -700C freezer until ready for shipment.
Overseas laboratories:
The vials must be transported to CARPHA in a container packed with dry ice. Local Laboratories:
Live adult mosquitoes should be forwarded directly to CARPHA in ice coolers within 24 hours of collection.