Abbreviated Button Slug Aborted entoloma Abutilon theophrasti Acadian hermit crab Acalitus ferrugineum Acanthocephala terminalis Acanthoscelidius acephalus Acanthus balcanicus Acarospora fuscata Aceria caulis Aceria cephalanthi Acilius mediatus Acorn Plum Gall Wasp Acorn weevil Acrobasis caryalbella Acronicta clarescens Acronicta interrupta Acronicta lobeliae Addison's Leather Flower Adjutant Wainscot Adonis ladybird Aedes japonicus Aethes promptana African bush elephant