RHS Hemerocallis midge survey

The data set consists of records for Hemerocallis gall midge (Contarinia quinquenotata) for Britain and Ireland gathered by the Royal Horticultural Society, from members of the Society and the general public. https://www.rhs.org.uk/advice/profile?pid=742
Data are from 1989 onwards when the Hemerocallis gall midge was first reported as established in the UK. From 1989 to May 2008 all records are via RHS Advisory Service. A majority of records post May 2008 are via the web based form.

该数据集包含由英国皇家园艺学会（Royal Horticultural Society，简称RHS）从其会员及公众处收集的、关于英国和爱尔兰地区萱草瘿蚊（Hemerocallis gall midge，学名Contarinia quinquenotata）的记录。https://www.rhs.org.uk/advice/profile?pid=742

数据始于1989年——这一年萱草瘿蚊首次被报道在英国定居。1989年至2008年5月期间的所有记录均通过RHS咨询服务（RHS Advisory Service）获取；2008年5月之后的大部分记录则通过网络表单收集。