Fróðskaparrit - 31.12.2000, Page 126

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FAROESE HOVERFLIES (DIPTERA: SYRPHIDAE).
CHECK-LIST UP TO THE YEAR 2000
*Scaeva selenitica (Meigen, 1822)
Kommabressa
Distribution: Known in all neighbouring countries,
except Iceland.
Status: Immigrant.
Caught in the following places:
Nólsoy: 1 male 19 September 1996, det. E. Torp, and 1
male 20 September 1996.
*Meliscaeva auricollis (Meigen, 1822)
Ferðabressa
Distribution: Known in all neighbouring countries,
except Iceland.
Status: Immigrant.
Remarks: During the eight years of study, it has been
the third most common immigrant. The 35 specimens
in 1996 were caught at a plant nursery in Tórshavn and
were not found anywhere else that year in Tórshavn. It
could be a Faroese brood!
Flight period: 1 August to 26 September.
Caught in the following places:
Nólsoy: 1 male 31 August 1993, det. E. Torp;
Tórshavn: 1 female 23 August 1993, det. E. Torp, 2
females 26 September 1993, det. E. Torp, 1 male 3
September 1993, det. E. Torp, 1 male 12 September
1993, det. E. Torp, 1 male 16 September 1993, det. E.
Torp, 1 male 23 August 1995, det. E. Torp, 18 males
and 13 females 28 August 1996, 2 males and 1 female
7 September 1996, 1 male 21 September 1996;
Sørvágur: 1 male 1 August 1996, 1 male 12 August
1997; Nólsoy: 3 females 20 August 1998, 1 male 23
August 1998.
*Episyrphus balteatus (De Geer, 1776)
Tvírandabressa
Distribution: Known in all neighbouring countries.
Status: Immigrant.
Remarks: This species is the most common immigrant
to the Faroes. It is seen every year, but in very different
numbers. The species can be numerous from mid-
August. It must be a Faroese brood.
Flight period: 20 June to 5 October.
Caught in the following places:
Dalur, Gjógv, Miðvágur, Nólsoy, Norðskáli,
Sandavágur, Sandur, Sørvágur, Tórshavn,
Trongisvágur, Vágur, Vatnsoyrar.
*Sphaerophoria fatarum (Goeldlin, 1989)
Lyngbressa
Distribution: Known in all neighbouring countries,
except Shetland.
Status: Unknown.
Remarks: The author has subsequently searched for
this species five times in the same area without any
result.
Caught in the following places.
Runavík: 2 males and 1 female 25 June 1992 (by H. N.
Christensen), det. E. Torp.
Tribe SERICOMYIINI
Sericomyia lappona (Linnaeus, 1758)
Sóljubressa (Fig. 3)
Distribution: Known in all neighbouring countries.
Status: Resident.
Flight period: 25 May to 21 August.
Caught in the following places.
Ámafjørður, Eiði, Froðba, Hov, Hvalvík, Lambi,
Leynar, Leitisvatn, Miðvágur, Mykines, Nes (Hvalba),
Nes (Vágur), Norðskáli, Rituvík, Runavík, Sandvík.
Selatrað, Skálavík, Skarvanes, Sumba, Sørvágur,
Toftir, Tórshavn, Trongisvágur (A), Tvøroyri,
Vatnsoyar, Vestmanna, Viðareiði, Øravík.
Tribe CHRYSOGASTRINI
*Neoascia tenur (Harris, 1780)
Osabressa
Distribution: Known in all neighbouring countries.
Status: Resident.
Remarks: Strangely, it has only been caught in the
south of the Faroe Islands.
Flight period: 16 June to 23 August.
Caught in the following places:
Gróthúsvatn: 1 male 28 June 1991, det. E. Torp;
Vágur: 14 males and 13 females, 20 August 1994, det.
E. Torp; Sandur: 1 male on 23 August 1994, det. E.
Torp; Hvalba: 9 males and 6 females 22 June 1996;
Øravík: 1 female 23 June 1996, 2 males and 1 female
16 June 1998; Fámjin: 6 males and 2 females 17 June
1998; Skálavík: 2 males and 1 female, 18 June 1998;
Nes (Hvalba); 3 females 16 June 1999; Nes (Vágur); 1
male and 1 female 17 June 1999.