. Bulletin - United States National Museum. Science. ROBBER FLIES OF THE WORLD 793. Figures 2272-2281.—Males. 2272, Alcimus rubi- ginosus Gerstaecker. 2273, Hippomachus pegasus Loew. 2274, Neoitamus cyanurus Loew. 2275, Acanthopleura ravus Loew, ventral. 2276, Ech- thistus rufinervis Meigen. 2277, Polyphonius 2281 laevigatus Loew. 2278, Leptogaster cylindrica De Geer. 2279, Nyssoprosopa pollinosa, new species. 2280, Michotamia sp. 2281, Lonchodogonus crib- ratus, new Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabi
. Bulletin - United States National Museum. Science. ROBBER FLIES OF THE WORLD 793. Figures 2272-2281.—Males. 2272, Alcimus rubi- ginosus Gerstaecker. 2273, Hippomachus pegasus Loew. 2274, Neoitamus cyanurus Loew. 2275, Acanthopleura ravus Loew, ventral. 2276, Ech- thistus rufinervis Meigen. 2277, Polyphonius 2281 laevigatus Loew. 2278, Leptogaster cylindrica De Geer. 2279, Nyssoprosopa pollinosa, new species. 2280, Michotamia sp. 2281, Lonchodogonus crib- ratus, new Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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