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. 2021 Jun;27(6):1697–1700. doi: 10.3201/eid2706.204557

Table. Adult and larval mosquitoes collected by human landing catches and traps, Djibouti, Republic of Djibouti, 2019*.

Species and sampling method† No. (% female) Resources/time expended
Anopheles stephensi
HLC 1 (100.0) 2 persons/7 h
BG Sentinel Trap 1 (100.0) 2 traps/120 h
Larval emergence 190 (56.8)
Subtotal
192 (57.3)

Aedes aegypti
HLC 11 (100.0) 2 persons/7 h
BG Sentinel Trap 88 (56.8) 2 traps/120 h
Suna Trap 10 (90.0) 2 traps/96 h
CDC Light Trap 2 (100.0) 2 traps/120 h
Larval emergence 32 (46.9)
Subtotal
143 (60.8)

Culex quinquefasciatus
HLC 113 (100.0) 2 persons/7 h
BG Sentinel Trap 573 (68.2) 2 traps/120 h
Suna Trap 221 (57.5) 2 traps/96 h
CDC Light Trap 408 (66.2) 2 traps/120 h
Larval emergence 26 (92.3)
Subtotal
1,341 (69.0)

Other Culex sp.
HLC 43 (100.0) 2 persons/7 h
BG Sentinel Trap 5 (40.0) 2 traps/120 h
Suna Trap 2 (100.0) 2 traps/96 h
CDC Light Trap 10 (100.0) 2 traps/120 h
Larval emergence 99 (71.7)
Subtotal
159 (80.5)

Total 1,835 (68.1)

*HLC, human landing catch.
†Sampling methods were CDC Light traps, BG-Sentinel and Suna traps (Biogents, https://www.biogents.com), as well as HLC and larval emergence in laboratory. Each BG-Sentinel trap was baited with BG-MB5 attractant (Biogents) and a CO2 production system (>50,000 ppm) based on the fermentation of sugar, yeast, and agar. For larval emergence method, larvae were collected and reared in laboratory until imago emergence.