in Africa. This public health concern has overshadowed much weirder facts about the tsetse, like the fact it gives birth to live, crawling larva---one at a time. (Sound familiar to you, mammal?) They ...

Tim Clarke has introduced controls on his 9,000-bird unit at Nantywellan, near Llandrindod Wells, to reduce fly populations. The flies are known carriers of diseases such as salmonella, pasteurella, ...