american andrena andrenidae apidae bee bees bombus brazil distribution droege eastern hoplitis identification lasioglossum maryland megachilidae melecta mellita monitoring native north osmia peponapis sdroege survey taxonomy View all
adamson agapostemon america american analysis andrena andrenidae anthidiellum anthidium anthophora anthophorula apidae apodea apoidea apple ashmeadiella atlantic augochlorella augochloropsis autobeedryer bee bee bowl bees beltsville bombus brazil bumblebee calliopsis cemolobus centris ceratina chelostema coelioxys colletes colletidae crop dialictus dianthidium dieunomia distribution droege dry dryer drying dufourea eastern epeoloides epeolus ericrocis eucera exomalopsis fish and wildlife service florilegus forest service funding habropoda halictidae halictidiae halictus heriades holcopasites honeybee hoplitis hylaeus hymenoptera identification insect lasioglossum lebuhn lithurgus macropis maryland megachile megachilidae melecta melissodes melitoma melittidae mellita mid midatlantic monitoring morphology museum national park service native native bee neolarra nest nesting nomia north north america orchard osmia pan trap panurgus paralictus paranthidium peponapis perdita pollination power power analysis poweranalysis processing pseudopanurgus ptilothrix roadside sam sam droege sample samplesize sdroege size sphecodes squash squashbee stelis survey svastra taxonomy tetraloniella trachusa trapnests trend triepeolus tucker virginia wash washer less