Tvaeraa (Tvoroyri, Tvaera, Tvaora, Tvorovri, Tveraa, Tvera), Faroes, lakes, sources, brooks, bog-pools, Faroe Islands
latitude: 61.549999     61°32'60"N
longitude: -6.8     6°48'0"W
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of site (or city, etc.)] 
| Geocentrophora sphyrocephala de Man, 1876 | Jun 22-Jul 19, 1928 | Very numerous. | 
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