Historical clue formulations

• Fearsome African flies — 2023-11-27
• Frightful little suckers — 2016-03-26
• Sub-Saharan tormentors — 2014-10-03
• Trypanosomiasis transmitters — 2013-08-08
• Ones reliant on the local blood supply — 2012-09-30
• 6-Down in sub-Saharan Africa — 2012-02-09
• Flies over Africa? — 2009-07-01
• Flies over the Equator — 2008-07-20
• Sleeping sickness carriers — 2006-05-14
• African pests — 2006-04-09
• Flies over the Nile — 2003-12-07
• African carriers — 2003-04-26
• African pests — 2003-03-30
• Lion tormentors — 2002-12-27
• Dangerous flies — 2002-06-30
• Flies over the equator? — 2001-12-12
• Cousins of houseflies — 2000-02-25
• African menaces — 1998-05-17
• Jungle menaces — 1995-12-03
• Glossinidae members — 1995-10-15