| Home | Kingdom Animalia | Phylum Arthropoda | Class Insecta | Order Coleoptera | Suborder Polyphaga | Family Geotrupidae | Common Name: Earth-Boring Scarab Beetle |  |
Geotrupidae
Earth-Boring Scarab Beetle
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Introduction:
Geotrupids resemble some scarabaeids and pleocomids. Geotrupids can be distinguished from these families by their bulbous appearance and 11-segmented antennae ending in a 3-segmented, movable club.
Geotrupids resemble some scarabaeids and pleocomids. Geotrupids can be distinguished from these families by their bulbous appearance and 11-segmented antennae ending in a 3-segmented, movable club.
Adult Diagnosis:
body convex, oval
antennae 11-segmented, with a 3-segmented, movable club
eyes partially or completely divided by ocular canthus
base of pronotum as wide as, or wider than elytral base
elytra striate
Tarsal Formula usually 5-5-5
body convex, oval
antennae 11-segmented, with a 3-segmented, movable club
eyes partially or completely divided by ocular canthus
base of pronotum as wide as, or wider than elytral base
elytra striate
Tarsal Formula usually 5-5-5
Ecology:
Geotrupids are generally burrowing beetles that dig vertical burrows ranging from 15-200cm deep. Adults do not tend larvae but provision larval cells with dead leaves, cow dung, horse dung, or humus. Overlap of generations has been observed in Bolboceras. Adults are nocturnal and are often attracted to lights; some species are also attracted to fermenting malt and molasses baits.
Geotrupids are generally burrowing beetles that dig vertical burrows ranging from 15-200cm deep. Adults do not tend larvae but provision larval cells with dead leaves, cow dung, horse dung, or humus. Overlap of generations has been observed in Bolboceras. Adults are nocturnal and are often attracted to lights; some species are also attracted to fermenting malt and molasses baits.
Geotrupidae Species
| Subfamily | Species | Author Year | Common Name | uBio | NCBI | ITIS | GBIF | Wikipedia | Wikispecies | Bugguide | Wisconsin | Iowa | North America | ||||
| Bolboceratinae | Bolbocerosoma biplagiatum | Dawson and McColloch | |
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| Bolboceratinae | Bolbocerosoma bruneri | Dawson and McColloch | |
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| Bolboceratinae | Bradycinetulus fossatus | (Haldeman) | |
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| Bolboceratinae | Eucanthus lazarus | (Fabricius) | |
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| Bolboceratinae | Odonteus falli | (Wallis) | |
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| Bolboceratinae | Odonteus filicornis | (Say) | |
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| Bolboceratinae | Odonteus liebecki | (Wallis) | |
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| Geotrupinae | Geotrupes balyi | Jekel | |
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| Geotrupinae | Geotrupes blackburnii | (Fabricius) | Blackburn's Earth Boring Beetle | |
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| Geotrupinae | Geotrupes hornii | Blanchard | Horn's Earth Boring Beetle | |
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| Geotrupinae | Geotrupes opacus | Halderman | |
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| Geotrupinae | Geotrupes semiopacus | Jekel, 1865 | |
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| Geotrupinae | Geotrupes splendidus | (Fabricius) | Splendid Earth Boring Beetle | |
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