85 



CHAPTER VII. 

 THE GLOSSINA BREVIPALPIS GROUP. 



SYNOPSIS OF SPECIES. 



1. Dorsum of thorax with four sharply defined, 



dark brown, more or less oval or elongate 

 spots, arranged in a parallelogram, two in 

 front of and two behind the transverse 

 suture ; proboscis bulb with a sharply 



defined brown or, dark brown tip longipennis, Corti. 



Dorsum of thorax without such spots ; pro- 

 boscis bulb not brown or dark brown at 

 the tip 2 



2. Wings with upper, thickened portion of 



anterior transverse vein much darker in 

 colour than adjacent veins, and thus stand- 

 ing out conspicuously against the rest of 



the wing brevipalpis, Newst. 



Wings with upper, thickened portion of 

 anterior transverse vein not much darker 

 in colour than adjacent veins, and thus 

 not standing out conspicuously against 

 the rest of the wing (wings practically 

 unicolorous) mediconini, sp. nov. 



Glossina brevipalpis, Newst. 



(Plate IX.) 



Glossina brevipalpis, Newstead, Annals of Tropical Medicine and Parasit- 

 ology, Series T. M., Vol. IV, No. 3, p. 372 (December 20, 1910). 



Glossina fusca, Austen {nee Walker) ; Austen, Monograph of the Tsetse- 

 Flies, pp. 95-97, Plate VI (1903); Sander, Die Tsetsen, pp. 66-68 

 (1905) ; Koch, Deutsche Medlzinische Wochenschrift, Bd. xxxi 

 (November 23, 1905), — translated by P. Palcke in Journal of Tropical 

 Medicine, Vol. IX, pp. 137-138 (1906) ; Stuhlmann, Arbeiten aus dem 

 Kaiserlichen Gesundheitsamte, Bd. xxvi. Heft 3, p. 301 et seq. (1907) ; 

 Davey, Bulletin of Entomological Research, Vol. I, Part 2, pp. 143-145 

 (July, 1910) ; FsLsk,ibid., pp. 145-146; Sanderson, Bulletin of Entomo- 

 logical Research, Vol. I, Part 3, pp. 225-226 (October, 1910), and 

 Vol. I, Part 4, pp. 299-302 (January, 1911) ; S. A. Neave, ibid., 

 pp. 306-310. 



Glossina tabaniformis, Stuhlmann {ncc Westwood), Bericht iiber Land- 

 und Forstwirtschaft in Deutsch-Ostafrika, Bd. i. Heft 2, p. 173 (1902). 



^, 9. — Length, ^ (317 specimens) 10-2 to 12-25 mm., 

 9 (42 specimens) 11 to 13-5 mm.; width of head, ^ 3-25 to 



