Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles

We tested whether brood parasitism could be successful between two co-occurring species of burying beetles, Nicrophorus guttula and Nicrophorus marginatus, and whether these species exhibit an adaptive response to brood parasitism by detecting and removing parasites. We cross-fostered larvae between...

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Main Authors: Ashlee N. Smith, Mark C. Belk
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Psyche: A Journal of Entomology
Online Access:http://dx.doi.org/10.1155/2018/2712945
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author Ashlee N. Smith
Mark C. Belk
author_facet Ashlee N. Smith
Mark C. Belk
author_sort Ashlee N. Smith
collection DOAJ
description We tested whether brood parasitism could be successful between two co-occurring species of burying beetles, Nicrophorus guttula and Nicrophorus marginatus, and whether these species exhibit an adaptive response to brood parasitism by detecting and removing parasites. We cross-fostered larvae between broods of the two species and created mixed-species broods to simulate the addition of brood parasites. Brood parasites survived in both species’ broods. Nicrophorus marginatus culled 86% of brood parasites compared to 56% of their own larvae, and N. guttula culled 50% of brood parasites compared to 22% of their own larvae. Additionally, N. guttula brood parasites were significantly smaller than N. guttula that were raised by N. guttula parents, but N. marginatus brood parasites were significantly larger than N. marginatus that were raised by N. marginatus parents. This paper provides the first evidence that burying beetles can discriminate between their own larvae and other species’ larvae. We suggest that brood parasitism may be the selective force responsible for this ability.
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spelling doaj-art-d4fdfcf85fd04813ac00d54b5a0040752025-02-03T01:24:05ZengWileyPsyche: A Journal of Entomology0033-26151687-74382018-01-01201810.1155/2018/27129452712945Evidence for Interspecific Brood Parasite Detection and Removal in Burying BeetlesAshlee N. Smith0Mark C. Belk1Department of Biology, Brigham Young University, 4102 LSB, Provo, UT 84602, USADepartment of Biology, Brigham Young University, 4102 LSB, Provo, UT 84602, USAWe tested whether brood parasitism could be successful between two co-occurring species of burying beetles, Nicrophorus guttula and Nicrophorus marginatus, and whether these species exhibit an adaptive response to brood parasitism by detecting and removing parasites. We cross-fostered larvae between broods of the two species and created mixed-species broods to simulate the addition of brood parasites. Brood parasites survived in both species’ broods. Nicrophorus marginatus culled 86% of brood parasites compared to 56% of their own larvae, and N. guttula culled 50% of brood parasites compared to 22% of their own larvae. Additionally, N. guttula brood parasites were significantly smaller than N. guttula that were raised by N. guttula parents, but N. marginatus brood parasites were significantly larger than N. marginatus that were raised by N. marginatus parents. This paper provides the first evidence that burying beetles can discriminate between their own larvae and other species’ larvae. We suggest that brood parasitism may be the selective force responsible for this ability.http://dx.doi.org/10.1155/2018/2712945
spellingShingle Ashlee N. Smith
Mark C. Belk
Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
Psyche: A Journal of Entomology
title Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
title_full Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
title_fullStr Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
title_full_unstemmed Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
title_short Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles
title_sort evidence for interspecific brood parasite detection and removal in burying beetles
url http://dx.doi.org/10.1155/2018/2712945
work_keys_str_mv AT ashleensmith evidenceforinterspecificbroodparasitedetectionandremovalinburyingbeetles
AT markcbelk evidenceforinterspecificbroodparasitedetectionandremovalinburyingbeetles