Biologists U.S. Geological Survey in Maryland are directory of local bee species, as well as plants and insects, with which they interact as part of the scientific program «USGS Native Bee Inventory and Monitoring Program». To get a good picture, scientists sometimes have to do 30 to 300 frames. Biologists have shared their archive of 1200 photos, and in this set are just a few of them.

Horsefly species Tabanus atratus in Upper Marlboro, Maryland.
Beetle species Gratiana pallidula Center Patuxent Wildlife Research in Anne Arundel County, Maryland. Rove unknown species in Upper Marlboro, Maryland. Spider Web Spider species Leucauge venusta, Upper Marlboro, Maryland. Unknown species of wasp in Yeloustounskom national park. Wood worm species Arrhenodes minutus. Unknown species of spider found in Beltsvillskom center of agricultural research. Carpenter bee species Xylocopa cubaecola near a military base in Guantanamo Bay, Cuba.  The male species of orchid bees Eugloss dilemma of Biscayne National Park in Florida
Harlequin bug eggs (Murgantia histrionica) in Beltsville, Maryland. Steklyannitsa kind Synanthedon pyri in Beltsville, Maryland. Gorbatka Buffalo (Buffalo Treehopper), found in Beltsville, Maryland. Weevil beetle of the family of Jarabacoa, Dominican Republic. Exomalopsis analis, a bee from the Dominican Republic. Unknown species of jumping spider in Beltsville, Maryland. Galactics kind Augochloropsis metallica, found in Laurel, Maryland. Wasp species Chlorion aerarium, found in Cumberland, Maryland Harvestman species Leiobunum flavum in Beltsville, Md. Pestryanka unknown species near Bowie, Maryland. Chafers kind Trichiotinus assimilis.