Unusual moths from Europe including the scarce silver-striped hawk-moth and Radford's flame shoulder have been seen in recent days, along with immigrant species
such as the convolvulus hawkmoth and the humming-bird hawkmoth.
Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae): rate of movement and potential distribution of an immigrant species
. The Coleopterists Bulletin 50: 81-95.
Insects found in birds' nests from the Neotropical Region (except Argentina) and immigrant species
of Neotropical origin in the Nearctic Region.
THE number of people noticing less wildlife in their gardens has increased, but immigrant species
and foxes appear to be thriving, a survey suggests.
Currie and graduate student Patrick Schaefer returned to Victoria Island in July, 2012, to investigate how extensively the immigrant species
have colonized that island.
About 2,500 immigrant species
have established themselves in Australia and this has played 'havoc with its native wildlife'.
It is an immigrant species
which sometimes occurs in large numbers.
Typically, some 90 percent of immigrant species
do no obvious harm to their new homes, says Grosholz.
Because of the merits of warning fellow primates of would-be predators, the immigrant species
was welcomed to the existing community.
Occasional or infrequent immigrant species
were excluded, but species were included when it seemed likely that a lack of records derived from incompleteness of information rather than actual absence.
The glaciers of the last Ice Age drove our native worm species south, if they survived at all; the immigrant species
arrived later on in the root balls of exotic plants and trees imported from abroad.