DESCEIPTION of GLOSSINA FUSCA. 95 



will serve to distinguish a male of longipalpis from a specimen 

 of morsitans belonging to the same sex (see Figs. 12 and 13).* 



We have as yet no information as to the western limit of 

 01. pallidipes, so that at present it may be regarded as the 

 eastern representative of Gl. longipalpis. 



Glossina fusca, Walk. 



(Plate VI.) 



Stomoxys fuscus, Walker, List Dipt. Ins. in Coll. Brit. Mus. Pt. III. 

 p. 682 (1849).— ? . 



Glossina tabaniformis, Westwood, Proc. Zool. Soc. Lond. Pt. XVIII. 

 p. 268, PI. XIX. fig. 3 (1850).— 9 . 



Glossina fusca, Walker, " Entomologist," VI. p. 328 (1873). 



Glossina grossa. Bigot, Ann. Soc. Ent. Fr. Vol. LX. p. 377 (1891).— ? . 



Glossina tabaniformis, Stuhlmann, Ber. lib. Land- u. Forstwirtach. in 

 Deutsch-Ostafrika, 1 Bd., Heft. 2, p. 173 (1902). 



^, 9. —Length 11 to 12 millim. (5^ to 5| lin.) ; length of 

 wing lOf to 13 millim. (5 to 6^ lin.) ; wing expanse of largest 

 ^ 26 millim. (12|^ li^-) j wing expanse of largest $ 29 millim. 

 (13 J lin.); width of head in ^ 3^ millim. (If lin.); in 9 

 3^ millim. (Walker's type) to 3| millim. (U to If lin.) ; width 

 of front at vertex, in ^ f millim. (^ lin.), in ? f to 1 millim. 

 (just under ^ lin.). 



Thorax drah-gray f to grayish brown, ivith narrow darl:er longi- 

 tudinal stripes ; abdomen russet brown,'^ segments after the second, 

 mummy broton,^ hind margins towards posterior angles sometimes 

 paler ; proboscis bulb pale yellow ; legs buff, middle and hind tibisp- 

 sometimes with a well marked dark ring, more or less incomplete, 

 round middle ; icings yellowish brown to brownish, sometimes larger 

 and broader in 9 than in ^ , anterior and posterior transverse veins 

 often infuscated. 



Head. — Buff, posterior surface grayish ; frontal stripe usually 

 somewhat darker, sometimes ochraceous ; face, including facial 



* The shape and size of the hypopygium in 01. pallidipes are the same 

 as in Gl. longipalpis. 



t Ridgway, " Nomenclature of Colors," PI. II. fig. 13. 

 t Ibid. PI. IIL fig. 16. 

 § Ibid. PL IIL fig. 10. 



