Checklist for Tribe Gerontini Hesse, 1938 and region Nearctic (Ecozones)
Class | Insecta Linnaeus, 1758 Insects, True insects | 710 14615 110890 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 705 14586 110836 | Families Genera Species | Taxom | Infraclass | Neoptera van der Wulp, 1890 Modern Wing-folding insects | 679 14388 109553 | Families Genera Species | Taxom | Superorder | Holometabola Heider, 1889 Holometabolous Insects | 443 11556 91607 | Families Genera Species | Taxom | Order | Diptera Linnaeus, 1758 Flies, Gnats, Hoverflies, Mosquitoes, True flies | 116 2523 22059 | Families Genera Species | Taxom | Suborder | Brachycera Macquart, 1834 Circular-seamed flies, Muscoid flies, Short-horned flies | 88 1778 14881 | Families Genera Species | Taxom | Infraorder | Asilomorpha Rohdendorf, 1961
| 14 375 4938 | Families Genera Species | Taxom | Superfamily | Asiloidea Latreille, 1802 Bee Flies, Therevids | 8 246 2752 | Families Genera Species | Taxom | | Family | Bombyliidae Latreille, 1802 Bee Flies, Bee Fly, Bee-flies | 74 970 | Genera Species | Taxom | | Subfamily | Geroninae Hesse, 1938
| 1 25 | Genus Species | Taxom | | Tribe | Gerontini Hesse, 1938
| 1 25 | Genus Species | Taxom |
Genera for Nearctic 1 Genera with 25 Species
Species list for Nearctic 25 Species | Geron (Empidigeron) calvus Loew, 1863 | Copper mallow | | Geron (Geron) validus Evenhuis, 1989 | | | Geron (Geron) vitripennis Loew, 1869 | Juniper globemallow | | Geron aequalis Painter, 1932 | | | Geron albarius Painter, 1932 | | | Geron albidipennis Loew, 1869 | Juniper globemallow | | Geron arenicola Painter, 1932 | | | Geron argutus Painter, 1932 | | | Geron aridus Painter, 1932 | | | Geron digitarius Cresson, 1919 | | | Geron grandis Painter, 1932 | | | Geron holosericeus Walker, 1849 | Largeflower milkweed | | Geron hybus Coquillett, 1894 | | | Geron johnsoni Painter, 1932 | | | Geron litoralis Painter, 1932 | | | Geron nigripes Painter, 1932 | | | Geron niveolus Evenhuis & G..., 1999 | | | Geron niveus (Cresson, 1919) | ⇒ Geron niveolus Evenhuis & G..., 1999 | | Geron nudus Painter, 1932 | | | Geron parvidus Painter, 1932 | | | Geron robustus (Cresson, 1919) | ⇒ Geron validus Evenhuis, 1989 | | Geron snowi Painter, 1932 | | | Geron subauratus Loew, 1863 | Copper mallow | | Geron trochilus (Coquillett, 1894) | ⇒ Apolysis trochila Coquillett, 1894 | | Geron winburni Painter, 1932 | |
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