Use ssh to tar a directory on a remote host to a local directory:

cd /usr/src/somedir
ssh host.domain.tld "tar -czv -C /usr/src/somedir -f - ." | tar xzf -

- or -

cd /usr/src
ssh host.domain.tld "tar -czv -C /usr/src -f - otherdir/" | tar xzf -

this would create “otherdir” in /usr/src