These butterflies lay their eggs on the underside of elm leaves, and the tree acts as a host to the larvae. Once they are ...
All of a sudden, I was noticing elms hiding in hedgerows. It is the characteristic asymmetry of elm leaves, one side joining the stem further down than the other side, that gives this species away.
The elm tree can return to the British countryside, given a helping hand, according to a new report. More than 20 million trees died during the 1960s and 1970s from Dutch elm disease. In the ...