Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)

Cantil, Liliana F.; Sánchez, María Victoria López; Dinghi, Pablo Adrián; Genise, Jorge Fernando

doi:10.1649/0010-065x-68.2.199

Cited by 16 publications

(20 citation statements)

References 25 publications

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“…Later, they were differentiated into two different ichnospecies: the bispherical and thin‐walled structures were included in the new C. akatanka and separated from the pear‐shaped and thick‐walled structures that remained in C. tonnii (Cantil et al ). Both C. akatanka and C. tonnii show the egg chamber completely separated from the provision chamber, which is the typical morphology present in brood balls constructed by necrophagous beetles (Cantil et al , ,b, ). In addition, two specimens of C. akatanka (MPEF‐IC 503/03, 2810) preserve aeration conduits that end in a plug of loose soil.…”

Section: Discussionmentioning

confidence: 87%

“…In addition, two specimens of C. akatanka (MPEF‐IC 503/03, 2810) preserve aeration conduits that end in a plug of loose soil. The presence of aeration conduits with filters of loose soil is another adaptive character of necrophagous species to their food (Cantil et al , b, ).…”

Section: Discussionmentioning

confidence: 99%

“…No material was selected from El Petiso because only a few broken specimens were collected there. Canthon quinquemaculatus was studied near Andresito, in a remnant of Atlantic forest in the north‐east of Misiones province, Argentina (Cantil et al ), and S. menelas in Navarro (Buenos Aires province, Argentina), in an establishment where the soil was uniformly covered by grasses for at least 25 years (Sánchez et al ).…”

Section: Methodsmentioning

confidence: 99%

“…Coprinisphaera tonnii , poorly represented in middle Eocene–lower Miocene deposits (Sánchez et al ), and C. akatanka , only recorded from Pleistocene deposits until now (Cantil et al , ), have been attributed to necrophagous dung beetles mainly because they preserve one of the typical morphological characters showed in brood balls made by extant necrophagous species: the egg chamber separated from the provision chamber. Particularly, these fossil brood balls resemble those constructed by the genera Coprophanaeus and Canthon , respectively (Cantil et al , ,b, ).…”

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confidence: 91%

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The earliest burst of necrophagous dung beetles in South America revealed by the Cenozoic record of Coprinisphaera

Cantil

Bellosi

Sánchez

et al. 2020

LET

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New ichnological, sedimentological and palaeobotanical information from a Miocene palaeosol succession from Patagonia bearing abundant fossil brood balls of dung beetles (Coprinisphaera) allow inferring novel aspects of the evolutionary history, biology and feeding habits of Scarabaeinae, along with the palaeoenvironmental and palaeoclimatic conditions in which they nested. Coprinisphaera tonnii and Coprinisphaera akatanka, both attributed to necrophagous dung beetles, represent 40.2% of the specimens. Considering their scarce or null record in older Cenozoic units from South America, these high values reveal that the first burst of necrophagous Scarabaeinae took place during the Miocene. Some Coprinisphaera preserve characters that indicate the developmental stage of the ball occupant and the adult emergence success. Both ichnospecies show the egg chamber isolated from the provision chamber, which was associated with a higher preference of cleptoparasites for necrophagous balls. The comparison among the abundance of traces of nest intruders in Coprinisphaera attributed both to necrophagous and to coprophagous beetles from different units of South America indicates that the presence of such intruders would be independent of the nature of the organic matter contained within the balls. Phytolith analyses performed in Coprinisphaera and extant necrophagous and coprophagous balls indicate that the comparison between the relative abundance of phytoliths in the wall of the brood ball, their infilling and the bearing palaeosol is a useful tool for inferring the feeding behaviour of the trace makers and support the attribution of Coprinisphaera tonnii and Coprinisphaera akatanka to necrophagous Scarabaeinae. Sedimentary and palaeosol analyses indicate that the beetles would have nested in well‐drained soils showing mollic‐like features, in grass‐dominated habitats, under a seasonal sub‐humid, temperate–warm climate.

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Section: Discussionmentioning

confidence: 87%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 91%

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The earliest burst of necrophagous dung beetles in South America revealed by the Cenozoic record of Coprinisphaera

Cantil

Bellosi

Sánchez

et al. 2020

LET

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“…Canthon quinquemaculatus Castelnau 1840 is a non-target species that feeds on decaying material, and thus is engaged in nutrient cycling, promoting environmental services regulating physico-chemical soil properties [ 34 , 35 ]. C .…”

Section: Introductionmentioning

confidence: 99%

Morphometric Modifications in Canthon quinquemaculatus Castelnau 1840 (Coleoptera: Scarabaeinae): Sublethal Effects of Transgenic Maize?

Alves

Hernández

2017

Insects

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The effects of transgenic compounds on non-target organisms remain poorly understood, especially in native insect species. Morphological changes (e.g., changes in body size and shape) may reflect possible responses to environmental stressors, like transgenic toxins. The dung beetle Canthon quinquemaculatus (Coleoptera: Scarabaeinae) is a non-target species found in transgenic crops. We evaluated whether C. quinquemaculatus individuals inhabiting corn fields cultivated with different seed types (conventional, creole and transgenic) present modifications in body shape compared to individuals inhabiting adjacent native forest fragments. We collected C. quinquemaculatus specimens across an agricultural landscape in southern Brazil, during the summer of 2015. Six populations were sampled: three maize crop populations each under a different seed type, and three populations of adjacent forests. After sampling, specimens were subjected to morphometric analyses to discover differences in body shape. We chose fifteen landmarks to describe body shape, and morphometric data were tested with Procrustes ANOVA and Discriminant Analysis. We found that body shape did not differ between individuals collected in conventional and creole crops with their respective adjacent forests (p > 0.05); however, transgenic crop populations differed significantly from those collected in adjacent forests (p < 0.05). Insects in transgenic maize are more oval and have a retraction in the abdominal region, compared with the respective adjacent forest, this result shows the possible effect of transgenic crops on non-target species. This may have implications for the ecosystem service of organic matter removal, carried out by these organisms.

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Invertebrate Traces in Soils and Paleosols: A Review of the Classification, Interpretation, and Paleobiological Purpose

Sarzetti,

Victoria Sánchez,

Marcelo Krause

2024

Springer Geology

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Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)

Cited by 16 publications

References 25 publications

The earliest burst of necrophagous dung beetles in South America revealed by the Cenozoic record of Coprinisphaera

The earliest burst of necrophagous dung beetles in South America revealed by the Cenozoic record of Coprinisphaera

Morphometric Modifications in Canthon quinquemaculatus Castelnau 1840 (Coleoptera: Scarabaeinae): Sublethal Effects of Transgenic Maize?

Invertebrate Traces in Soils and Paleosols: A Review of the Classification, Interpretation, and Paleobiological Purpose

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