EditorialTheodor Diener in his lab doing research on the potato in 1971 at the U.S. Department of Agriculture in Washington. (George Tames/The New York Times)
EditorialBeltsville Agricultural Research Center, Prince George's, Maryland, United States, Bombus (Pyrobombus) bimaculatus Cresson, 1863, Animalia, Arthropoda, Insecta, Hymenoptera, Apidae, Apinae.
EditorialBranchville to Beltsville, Prince George's, Maryland, United States, Bombus (Fervidobombus) pensylvanicus pensylvanicus (De Geer), Animalia, Arthropoda, Insecta, Hymenoptera, Apidae, Apinae.
EditorialBranchville to Beltsville, Prince George's, Maryland, United States, Bombus (Fervidobombus) pensylvanicus pensylvanicus (De Geer), Animalia, Arthropoda, Insecta, Hymenoptera, Apidae, Apinae.
EditorialBranchville to Beltsville, Prince George's, Maryland, United States, Bombus (Fervidobombus) pensylvanicus pensylvanicus (De Geer), Animalia, Arthropoda, Insecta, Hymenoptera, Apidae, Apinae.