Acorn Plum Gall Wasp Acraspis quercushirta Acromyrmex octospinosus African honey bee Agenioideus humilis Agepostemon texanus Alfalfa Leafcutter Bee Allodapula variegata Amblyjoppa proteus Amblyteles armatorius Amegilla zonata American Bumble Bee American Sand Wasp Ametastegia carpini Ammophila aberti Amphibolips cookii Amphibolips melanocera Ancistrocerus trifasciatus Andrena crocusella Andrena melittoides Andrena minutula Andrena pyropygia Andrena violae Andricus coronus