Poa annua
Plant
Arctowski Station and within ASPA 128 Western Shore of Admiralty Bay, King George Island, South Shetland Islands
62°09'45.0"S
58°28'00.0"W
Expanding, invasive?
Grass has spread over 500 m from Arctowski into the vicinity of the nearby ASPA 128 Western Shore of Admiralty Bay, and 1.5 km to the deglaciated foreground of Ecology Glacier (c. 70 individuals in an area of ~100 m2)
1985/86: first found in metal grating at Arctowski Station main building. 1990: spread to greenhouse area and above subterranean hot water pipes within a single area of c. 0.4 km2 1991/92: found in a number of locations with disturbed ground.  2005/6: fo
Olech (1996); Smith (1996); Olech (2003); Frenot et al. (2005); Chwedorzewska (2008); Olech and Chwedorzewska (2011); Chwedorzewska and Bednarek (2012)
Eretmoptera murphyi
Invertebrate
Diptera
Signy Research Station, South Orkney Islands, Scotia Arc
60°43'00.0"S
45°38' 00.0"W
Expanding
~35,000 m2
Chironomid midge present in high numbers (mean 21,000 larvae m-2) within an area of c. 35,000 m2. Favoured habitat is dead moss and peat. Colonisation of habitats on the western Peninsula may be possible as far south as 67oS.
Burn, 1982; Block et al., 1984; Hughes and Worland (2010); Everatt et al. (2012); Hughes et al. (2013)
Trichocera (Saltrichocera) maculipennis
Artigas Antarctic Scientific Base, Fildes Peninsula, King George Island, South Shetland Islands
62°11'04.0"S
58°54'08.0"W
Persistent
Found up to 4 km from Artigas Station
Found in the base sewage system and in the terrestrial environment around Maxwell Bay.  Initial eradication attempt in sewage system was unsuccessful. Life history and physiological characteristics may make colonisation of maritime Antarctica possible.
Volonterio et al. (2013)
Boreas sp.
Mecoptera
Cierva Point, Danco Coast, Antarctic Peninsula
64°09'00.0"S
60°58'00.0"W
Within ASPA 134 Cierva Point and offshore islands, Danco Coast, Antarctic Peninsula
The single specimen was extracted from lichen communities at c. 100 m a.s.l.  Genus common in boreal regions, including the Arctic
Convey and Quintana (1997)
Christensenidrilus blocki
Enchytrae
45°38'00.0"W
< 150 m2
Enchytraeid worm present in low numbers around the original introduction site.
Burn, 1982; Block and Christensen, 1985; Hughes and Worland (2010)
Hypogastrura viatica
Collembola
Léonie Island, Marguerite Bay, Antarctic Peninsula
67°3700.0S
68°2030.0W
Only record is original collection.  Subsequent collections have not contained this species
Greenslade (1995)
Tower Island, Palmer Archipelago
63°35'00.0"S
59°49'00.0"W
Found associated with a sheathbill nest in Feb 1966
Wise (1971)
Half Moon Island, South Shetland Islands
62°28'48.6"S
60°46'39.8"W
Regular visitor site. ATCM Site Guidelines have been adopted for Half Moon Island.  The Argentine Antarctic summer station Cámara is located on the Island.
M. Potapov (unpublished data; quoted in Greenslade et al. (2012)); Russell et al. (2013, 2014)
Neko Harbour, Graham Land, Antarctic Peninsula
64°50'00.0"S
62°31'00.0"W
Regular visitor site. ATCM Site Guidelines have been adopted for Neko Harbour. Site of a former Argentine refuge hut.
Collins Point, Deception Island, South Shetland Islands
62°59'44.2"S
60°35'10.1"W
Found within ASPA 140 sub-site A, Collins Point
Greenslade et al. (2012)
Whalers Bay, Deception Island, South Shetland Islands
62°57'00.0"S
60°37'58.8"W
Persistent (Invasive?)
Abundant at several sites around the bay
Now abundant. One of the most invasive Collembola found in the sub-Antarctic islands
Hack (1949); Greenslade et al. (2012); Greenslade & Convey (2012); Russell et al. (2013, 2014)
Telefon Bay, Deception Island, South Shetland Islands
62°55'43.0"S
60°40'48.8"W
Found within ASPA 140 sub-site F
Russell et al. (2013, 2014)
Devil Island, close to Vega Island
63°48'00.0"S
57°17'00.0"W
Folsomia candida
Original samples collected in 1965.  Not found in later surveys
Greenslade & Wise (1984); Greenslade et al. (2012)
Protaphorura fimata
Deuteraphorura cebennaria
Pendulum Cove, Deception Island, South Shetland Islands
62°56'07.5"S
60°35'59.1"W
Found at Pendulum Cove (not within ASPA 140 sub-site G)
Regular visitor site. ATCM Site Guidelines have been adopted for Pendulum Cove.  The remains of the Chilean Presidente Pedro Aguirre Cerda Station (HSM No. 76) are located here.
Greenslade et al. (2012);
Mesaphorura macrochaeta
Found at several site around Whalers Bay
Regular visitor site. ATCM Site Guidelines have been adopted for Whalers Bay.  The remains of the Whaling Station, cemetery and British Base B are located here.
Greenslade et al. (2012); Russell et al. (2013, 2014)
Proisotoma minuta
Caliente Hill, Deception Island, South Shetland Islands
62°58'24.0"S
60°42'42.0"W
ASPA 140 sub-site C
Cryptopygus caecus
Species common on most sub-Antarctic islands.  Some uncertainty as to whether this is a non-native species or potential native species/natural colonist
Tilbrook 1967; Wise 1971; Greenslade and Wise, 1984; Russell et al. (2013, 2014)
Alicorhagia sp.
Actinedida (Acari)
Transient? Persistent?
Whalers Bay
Only a single individual found, which could represent a sporadic, recently introduced individual that could not establish a viable population
Coccotydaeolus cf. krantzii
Persistent?
Higher densities found in 2011
Widespread distribution at Whalers Bay study site
Hannah Point, Livingston Island, South Shetland Islands
62°39'16.0"S
60°36'48.3"W
Punta Cristian II, Fildes Peninsula, South Shetland Islands
62°11'53.0"S
58°56'47.5"W
Location on the lower coast terrace on the northern shore of Maxwell Bay, 1 km from Bellingshausen Research Station.
Widespread distribution at Neko Harbour study site
Petermann Island, Penola Strait, Graham Coast
65°10'29.3"S
64°08'10.7"W
Speleorchestes sp.
Arctowski Station and within ASPA 128 Western Shore of Admiralty Bay King George Island, South Shetland Islands
Biologenbucht, Gemel Peaks, Fildes Peninsula, South Shetland Islands
62°11'48.3"S
58°59'28.8"W
The locality Biologenbucht is found on the western side of the peninsula south of Gemel Peaks, approximately 250 m inland.
Russell et al. (2013)
Punta Cristian I, Fildes Peninsula, South Shetland Islands
62°11'50.7"S
58°56'33.2"W
Located on a cliff above the northern shore of Maxwell Bay, 1 km from the Bellingshausen Research station.
62°58'42.96"S
60°33'29.34"W
64°51'45.9"S
62°26'47.5"W
62°35'43.9"S
59°54'07.7"W
Terpnacarus gibbosus
Located on a cliff above the northern shore of Maxwell Bay, 1 km from Bellingshausen Station.
Location on the lower coast terrace on the northern shore of Maxwell Bay, 1 km from Bellingshausen Station.