r-;i  
 1 5 6  BRITISH  BLOOD-SUCKING  FLIES  
 P LATE  2  
 Tabanus,  68,  70,  71,  72,  74,  76,  78,  88,  149.  
 Taeniorhynchus,  23.  
 tentorius  (Culicoides),  138.  
 Theobaldia,  3,  16.  
 Therioplectes,  72,  76.  
 thunder  fly,  67,  79.  
 tredecimatum  (Simulium),  56,  58.  
 trivittatus  (Culicoides),  129.  
 tropicus  (Tabanus),  88,  89,  92,  95,  96.  
 truncorum  (Culicoides),  31,  41,  130,  139.  
 Tse-tse  flies,  115.  
 tuberosum  (Simulium),  57,  64.  
 U  
 uniniactilatus  {Culicoides),  131.  
 V  
 variegatum  (Simulium),  57,  63.  
 varipennis  (Culicoides),  134.  
 varius  [Ceratopogon],  143.  
 varius  (Culicoides),  27.  
 vavrai  (Culicoides),  133.  
 venustum  (Simulium),  53,  56,  57,  63.  
 Vespa,  75.  
 vexans  (Aedes),  3,  ISvexans  
 (Culicoides),  29,  31,  42,  130,  140  
 vitreipennis  {Culicoides),  142.  
 volvulus  (Onchocerca),  55.  
 W  
 warble-fly,  69,  149,  150.  
 whame-fly,  67.  
 witinertzi  {Culicoides),  136.  
 yerburyi  (Simulium),  57,  58.  
 yesoe7isis  {Ceratopogon),  143.