Fróðskaparrit - 01.01.1999, Page 162

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NOTES ON TWO MIGRANT MOTHS FROM THE FAROEISLANDS,
AGROTIS SEGETUM (L.) AND NOCTUA ORBONA (Hfn) (LEPIDOPTERA, NOCTUIDAE)
Fig.3. The appearance o/Noctua orbona (Hfn.) and N. pronuba (L.).
Upper row: N. orbona. Left. Female. Faroe Islands. Streymoy, Nesvik 7. VII. 1997.
Right. Male. Denmark. East Jutland, Ramten skov LVII.1963.
Middle row. N. pronuba. Left. Light-colouredfemale. Faroe Islands. Suduroy, Akraberg 21-28.VIII.1991.
Right. Typical male. Faroe Islands. Sandoy, Sandur 17-24.VIII.1991.
Lower row. Noctua pronuba. Left. Red-colouredfemale. Faroe Islands. Streymoy, Hoyvík 25VIII-3.IX.1993.
Right. Blackish male. Faroe Islands. Sandoy, Sandur I-8.IX.1991.
Mynd.3. Noctua orbona (Hfn.) og N.pronuba (L.).
Ovastarað: N.orbona. Vinstrumegin. Kvenndýr. Føroyar. Streymoy, Nesvík 7.VII.1997.
Høgrumegin. Kalldýr, Danmark. Eysturjútland, Ramten skógur l.VII.1963.
Miðrað: N. pronuba. Vinstrumegin. Ljóslitt kvenndýr. Føroyar. Suðuroy., Akraberg 21-28.VIII.1991.
Høgrumegin. Eyðkent kalldýr. Føroyar. Sandoy, Sandur 17-24.VIII.1991.
Niðasta rað: Noctua pronuba. Vinstrumegin. Morreytt kvenndýr. Føroyar. Streymoy, Hoyvík 25.VIII-3.IX. 1993.
Høgrumegin. Myrkt kalldýr. Føroyar. Sandoy, Sandur 1-8.IX. 1991.
northerly direction. The meteorological
data fit well with observations of the first
arrival of V. atalanta and V. cardui. Proba-
bly most of the other migrant moths also ar-
rived in the Faroes during this short period,
including the Agrotis segetum. Its size and
appearance in Fig. 1 corresponds closely
with British specimens and suggests that its
origin was either western France or south-
em England.
The corresponding data for 1997 in
Table 1 show that a relatively warm air cur-