BIONOMICS OF TSETSE, ETC., IN THE GOLD COAST. 213 



Between Yapi and Yeji on the River Volta : Tabanus biguttatus croceus, Sure, 



T. taeniola, P. de B., T. simpsoni, Aust. 

 Between Yeji and Yapi (overland) : 

 Yeji : Uranotaenia connali, Edw. 

 Makongo : Culex quasigelidus, Theo., Ochlerotatus nigeriensis, Theo., Tabanus 



sticticollis, Sure., T. gratus, Lw. 

 Salaga : Auchmeromyia luteola, F. 

 Kofaba : T. taeniola, P. de B., T. sticticollis, Sure. 



Tomaklaw : T. biguttatus croceus, Sure., T. sticticollis, Sure., T. gratus, Lw. 

 Between Daboya and Bole : 



Larabanga : Tabanus fasciatus, F., T. subangustus, Ric., T. taeniola, P. de B., 

 T. thoracinus, P. de B., Haematopota beringeri, Aust., H. gracilis, Aust., 

 H. bullatifrons, Aust., Hippocentrum versicolor, Aust. 

 Guripe : Haematopota sp. near tenuis. 

 Dimawu : Hippocentrum versicolor, Aust. 



Murugu : Hippocentrum versicolor, Aust., Haematopota gracilis, Aust., Haemato- 

 pota sp. near corsoni, Carter. 

 Kunkwa : Tabanus sticticollis, Sure., T. taeniola, P. de B. 

 Togoland : 



Gnani : Tabanus fasciatus, F. , Tabanus sp. 



Depoi : Tabanus sticticollis, Sure. 



Bimbilla : Tabanus sticticollis, Sure. 



Tali : Tabanus biguttatus croceus, Sure. , T. sticticollis, Sure. 



Chamba : Tabanus sticticollis, Sure. 



The following are the five species of ticks and one species of louse which were 

 obtained, with the names of the hosts on which they occurred. 



Hyalomma aegyptium, L. r off roan antelope, 



Amblyomma variegatum, F. < Larabanga, 



Rhipicephalus sanguineus, Latr. L 23.vii.14. 



Rhipicephalus sanguineus var. sulcatus, Neum., off bush cat, Yapi, 26.vi.14. 



Boophilus australis, Fuller, off roan antelope, Daboya, 23.vi.16. 



ioff warthog, Daboya, 13. vi. 16. 



off roan antelope, ,, 21.vi.16. 

 off roan antelope, „ 23 . vi . 16. 

 Rhipicephalus falcatus, Neum., off warthog, Daboya, 13.vi.16. 



off roan, Daboya, 23.vi.16. 



Rhipicephalus sanguineus, Latr. 



J ( oft duiker, Gumpe, vm. 16. 



Haematopinus eurysternus, N., found on the eyelids of a cow at Yapi. 



One of the most outstanding features with regard to the Tabanidae is the large 

 number of males which were captured at the height of the dry season and until a 

 month before the rains. For example, in the case of Tabanus sticticollis, in December 



