The state of the Watsonian Yorkshire database for the aculeate Hymenoptera, Part 3 - the twentieth and twenty-first centuries from the 1970s until 2018

摘要

From the 1970s until 2018, 69 new aculeate species (listed in the Appendix (pl94) were recorded in Watsonian YorkshiFe. Fig. 1 (pl88) shows the number of first records of all species per decade and Fig. 2 the number of first records of the Chrysidoidea, Vespoidea and Apoidea (Wasps and Bees). Fig. 1 shows a relatively constant number of first records (9-14) per decade except for the 1980s when there was an increased number (23).