American burying beetle
| Nicrophorus americanus | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Silphidae |
| Genus: | Nicrophorus |
| Species: | N. americanus |
| Binomial name | |
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Nicrophorus americanus (Olivier, 1790) |
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| Synonyms | |
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Nicrophorus americanus, also known as the American burying beetle or giant carrion beetle, is a critically endangered species of beetle endemic to North America. It belongs to the order Coleoptera and the family Silphidae. The carrion beetle in North America is carnivorous, feeds on carrion and requires carrion to breed. It is also one of the few species of beetle to exhibit parental care. The decline of the American burying beetle has been attributed to habitat loss, alteration, and degradation, and they now occur over less than 10% of their historic range.
N. americanus is between 25 and 45 mm long and can be identified by its striking, distinctive coloring. The body is shiny black, and on its wing covers are four scalloped, orange-red markings. Most distinctively, there is an orange-red marking on the beetle's pronotum, a large shield-like area just behind the head. N. americanus has orange facial markings and orange tips on their large antennae. The beetle is nocturnal and is a strong flier, moving as far as a kilometer in one night.
During the winter months when temperatures are below 15 °C (60 °F) N. americanus adults bury themselves in the soil to overwinter. When temperatures are above 15 °C (60 °F) they emerge from the soil and begin the mating and reproduction process. Burying beetles are unusual in that both the male and female take part in raising the young. Male burying beetles often locate carcasses first and then attract a mate. Beetles often fight over the carcass, with usually the largest male and female individuals winning. The victors bury the carcass, the pair mates, and the female lays her eggs in an adjacent tunnel. Within a few days, the larvae develop and both parents feed and tend their young, an unusual activity among insects, but a characteristic shared with the earwig. Brood size usually ranges from one to 30 young, but 12 to 15 is the average size.
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Wikipedia