Sam Droege

droege bee bees sdroege taxonomy insects apidae identification osmia north entomology apoidea maryland insect hymenoptera distribution eastern american science phenology pan trap bee bowl beltsville monitoring survey halictidae pollination museum native bombus peponapis andrena lasioglossum andrenidae megachilidae megachile facts fact insecta insectos insecto arthropod change seasonal time of year timing chart collection mid-atlantic pollinator bug pollinators graphs avian dissection cards elizabeth manning stomach contents beall food food analysis historical stomach manning birds laurel patuxent wildlife research center pwrc food habits 1800s bird microscope dissecting stereo microscope light dissecting microscope specimen vial display hand sanitizer natural history museum specimens labels native bees insect labels specimens trapping surcica bowl trap flower bloom fruit tree fruit set nancy adamson trend north america forest service funding native bee national park service fish and wildlife service power analysis sam droege roadside tucker bumblebee apodea atlantic mid midatlantic perdita sam virginia squashbee squash trapnests nest nesting orchard apple crop honeybee adamson lebuhn brazil samplesize sample size poweranalysis autobeedryer dry dryer processing drying washer wash power analysis holcopasites cemolobus habropoda anthophora ptilothrix ceratina epeoloides centris neolarra melitoma ericrocis melecta florilegus svastra melissodes triepeolus epeolus exomalopsis anthophorula tetraloniella eucera dialictus calliopsis macropis mellita hylaeus colletes pseudopanurgus panurgus paralictus morphology halictus augochloropsis augochlorella agapostemon halictidiae dieunomia colletidae melittidae dufourea sphecodes trachusa anthidium anthidiellum stelis paranthidium dianthidium hoplitis ashmeadiella heriades chelostema coelioxys lithurgus america nomia