Historical clue formulations

• Creature that transmits sleeping sickness — 2026-07-03
• Pest with a repetitive name — 2026-06-06
• Fly that causes sleeping sickness — 2025-11-14
• Tswana for "fly" — 2025-05-01
• African fly with a reduplicative name — 2024-06-24
• Safari pest — 2024-02-29
• Tropical African fly — 2022-03-15
• Literally, "fly," in Setswana — 2022-01-28
• Kind of fly — 2022-01-13
• Fly far, far away? — 2021-12-25
• Creature whose name comes from the Tswana language — 2020-12-19
• Dangerous fly — 2020-09-13
• Sub-Saharan scourge — 2020-08-22
• Carrier of sleeping sickness — 2020-08-20
• ___ fly — 2019-05-23
• Kind of fly — 2019-04-03
• Worry in East Africa — 2018-10-07
• African pest — 2018-03-28
• Fly over the Equator — 2017-07-20
• Insect that folds its wings — 2016-11-06
• Fly over sub-Saharan Africa? — 2016-09-27
• Sub-Saharan sucker — 2016-08-04
• Flying transmitter — 2015-10-28
• Biter in Niger — 2015-06-28
• Fly in a jungle — 2015-06-04
• *Biter in Niger — 2015-02-08
• Sub-Saharan menace — 2014-08-27
• Scary little sucker — 2014-07-11
• Trypanosome carrier — 2013-11-21
• Sleeping sickness carrier — 2013-06-16
• English word derived from Tswana — 2013-06-13
• Trypanosomiasis transmitter — 2012-09-13
• African danger — 2012-09-02
• African fly — 2011-12-13
• Sleeping sickness transmitter — 2011-11-30
• "Mogambo" threat — 2011-03-06
• African fly pest — 2010-12-13
• Feared African fly — 2010-08-30
• Transmitter of nagana — 2009-08-23
• Menace along the Congo — 2009-03-01
• Safari hazard — 2007-11-03
• Fly from Africa — 2007-01-21
• Sleeping sickness carrier — 2006-10-09
• Feared fly — 2006-08-08
• Dreaded fly — 2006-05-11
• African menace — 2006-05-03
• Sub-Saharan scourge — 2006-01-14
• Sleeping sickness transmitter — 2005-10-03
• Infectious fly — 2005-08-29
• African scourge — 2005-08-28