74 
T. sudeticus (plate 20), localities and dates of British specimens in 
Museum, 47 ; found throughout Europe, habits, 48. 
Theobaldia, a genus of Culicidas : T. annulata (plate 5), one of the largest of 
mosquitoes, common in Great Britain at all seasons, hibernates in sheds, 
cellars, etc., severe effects of bite of, 23 ; can subsist on a vegetable diet, 
at Weston-super-Mare sometimes spoken of as the " Wood Gnat," 23, 24. 
Therioplectes, a genus of Tabanida? : Th. borealis, description of, very 
few specimens in Museum, 38, 39 ; geographical distribution, 39 ; 
Th. hiridus (plate 15), darker than Th. montanus, description of, 40; 
distribution of, in the British Islands, apparently a northern species, 41 ; 
Th. micans (plate 13), description of, legs entirely black, thus distinguished 
from bisignatus form of Th. tropicus, 37 ; very rare in Great Britain, 
no modern British specimens in Museum, 38 ; Th. montanus (plate 14), 
considerable difference between sexes, 39 ; essentially a Scotch and 
Irish species, 39; distribution in Europe, 40; Th. solstitialis (plate 17), 
most brightly coloured of the larger British Tabanida?, very common, and 
generally distributed in Great Britain, 43 ; continental distribution, 43 ; 
Th. tropicus (form bisignatus, plate 16), the common British form of the 
female of this species, description of, 41, resembles Th. micans, British 
specimens in Museum only from England, continental specimens, 42. 
Wood Gnat, popular name sometimes given at Weston-super-Mare to 
Theobaldia annulata, 24. 
