Revisiting pollinating Cyclocephala scarab beetles (Coleoptera: Melolonthidae: Dynastinae) associated with the soursop (Annona muricata, Annonaceae)

Parizotto, Daniele R.; Grossi, Paschoal Coelho

doi:10.1007/s13744-018-0647-y

Cited by 6 publications

(6 citation statements)

References 15 publications

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“…In addition, males’ lamellae have a larger surface and are longer than those of females. According to the drawings of the males’ lamellae for Cyclocephala borealis Arrow by Johnson [ 28 ] and for Cyclocephala signaticollis Burmeister by Carne [ 60 ], males’ are larger than those of females. Unfortunately, there is no quantitative information on lamella length and surface area reported for any other Cyclocephala .…”

Section: Discussionmentioning

confidence: 99%

“…Despite the relevance of the genus Cyclocephala as pollinators or pests of different economically important crops [ 26 , 27 , 28 ], the morphology of their reproductive apparatus is not fully studied. The genital chamber and accessory glands of Cyclocephala jalapensis Casey are particular for this species, and the rest of its reproductive apparatus is very similar to that of other Melolonthidae [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

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Reproductive Apparatus, Gonadic Maturation, and Allometry of Cyclocephala barrerai Martínez (Coleoptera: Melolonthidae: Dynastinae)

Sanchez-Cruz

Tapia‐Maruri

Jiménez‐Pérez

2022

Insects

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The Order Coleoptera provides good examples of morphological specializations in the reproductive apparatus, gonadic maturation, and allometry differing between the sexes. The female and male reproductive apparatus has been modified to ensure reproduction between individuals of the same species. The genus Cyclocephala has more than 500 species distributed in America, and Cyclocephala barrerai Martínez is an economically important species in the central part of Mexico. The objective of this work was to study the reproductive system, gonadic maturation, and allometry of C. barrerai. We used light, scanning electron, and laser scanning confocal microscopy to describe the reproductive apparatus and gonadic maturation of females and males. The relationship between adult weight and different parts of the body was established by linear regression. Regardless, the reproductive apparatuses of C. barrerai are like those of other Melolonthidae: the genital chamber, the type II accessory glands, and the ventral plaques of the female and the ejaculator bulb and genital capsule of the males are specific to C. barrerai. The gonads are fully developed when 18 d old. The weight of adult C. barrerai has a positive linear relationship with distinct parts of its body, while the antennae of males are larger than those of the females.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reproductive Apparatus, Gonadic Maturation, and Allometry of Cyclocephala barrerai Martínez (Coleoptera: Melolonthidae: Dynastinae)

Sanchez-Cruz

Tapia‐Maruri

Jiménez‐Pérez

2022

Insects

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“…In Brazil, exotic species of Annona such as Annona squamosa L. (sugar apple) and Annona muricata L. (soursop) [108,113,114] are grown at a large scale. There is a record of six Cyclocephala species visiting A. muricata in Brazil, among which is Cyclocephala celata Dechambre (Figure 3e), which stands out as a potential pollinator because it is the most abundant species in the flowers of these species [115]. Annona crassiflora fruits, whose commercial potential is yet underexplored, are greatly appreciated by the rural populations in Central Brazil and are sold at fairs [103].…”

Section: Discussionmentioning

confidence: 99%

Coleopteran Pollinators of Annonaceae in the Brazilian Cerrado—A Review

2021

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The evolutionary trajectories of insects and angiosperms appear to be intimately interconnected. Increases in the diversity of phytophagous beetles and angiosperms co-occur in the Mesozoic fossil record, and there is fossil evidence of pollinivory and pollination by insects, both in flowering plants and in gymnosperms. The oldest records of angiosperm pollination indicate flies as pollen vectors. A basal group of angiosperms, the order Magnoliales, has retained plesiomorphic characters such as dozens of pistils and stamens spiraling around the receptacle. In a family of this order, Annonaceae, over 90% of species are pollinated by beetles. In many Annonaceae species, flowers display wide spaces, referred to as floral chambers, where beetles can find shelter from weather conditions and predators, food in the form of pollen and tissues, and a mating site. Two basic types of floral chambers can be distinguished: small chambers visited by small beetles (Nitidulidae, Staphylinidae, Chrysomelidae, and Curculionidae) with diurnal and/or nocturnal activity and large and thermogenic floral chambers visited by beetles of the tribe Cyclocephalini (Scarabaeoidea, Melolonthidae). In the latter case, the heat that the flowers produce may serve as a resource for the beetles that visit them, resulting in smaller endothermy costs for the scarabs. This study reviewed the literature including PhD and MSc theses on cantharophilous Annonaceae in the Cerrado. In this biome, both types of associations are found, although cantharophilous Annonaceae represent a small portion of the plant species (<5%). Cantharophilous Annonaceae in the Cerrado share attributes according to the beetles that pollinate them: species pollinated by small beetles, for instance, may flower throughout the year, whereas Annonaceae pollinated by Cyclocephalini normally flower in the beginning of the rainy season (October/November), in synchrony with the phenological patterns of their pollinators. Cantharophilous Annonaceae flowers, regardless of their size, tend to have light colors and sweet and fruity odors. In addition to the lack of studies on the attraction of beetles by these floral characters, the taxonomic composition of the beetles that pollinate Annonaceae in the Cerrado is poorly known. This review attempts to discuss, in light of what has already been published, potential fields of investigation concerning pollinating beetles’ behavior and evolution.

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“…Both C. cearae and C. celata are implicated with the pollination of night-blooming Araceae (Maia and Schlidwein, 2006; Maia et al ., 2010, 2013). Additionally, C. celata are among the main pollinators of soursop orchards in northeastern Brazil (Parizotto and Grossi, 2019). Adult C. paraguayensis , on the other hand, are florivores associated with numerous plant hosts in the Amaryllidaceae, Annonaceae, Apocynaceae, Cactaceae, Calophyllaceae, and Solanaceae (Moore and Jameson, 2013; Favaris et al ., 2020; ACD Maia, pers.…”

Section: Introductionmentioning

confidence: 99%

Egg development and viability in three species of Cyclocephala (Coleoptera: Scarabaeidae: Dynastinae)

Souza¹,

Albuquerque

Iannuzzi

et al. 2022

Bull. Entomol. Res.

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Different species of Cyclocephala scarab beetles (Scarabaeidae, Dynastinae) perform key functional roles in both natural and agricultural systems, such as the cycling of organic matter and pollination, while also being known as destructive pests both as immatures and adults. Therefore, the identification of biological parameters is crucial for defining strategies for their conservation and efficient pest management. In a forest fragment within the Brazilian Atlantic Forest biodiversity hotspot, we field-captured adult individuals of Cyclocephala cearae, C. celata, and C. paraguayensis then reared and bred them under controlled temperature and humidity conditions. On a daily basis, we individually weighted eggs of all three species, from oviposition until hatching, and monitored egg development parameters (i.e., incubation duration, viability, and egg weight increase). Our findings provide novel empirical evidence showing (i) a positive correlation between egg weight and incubation duration, (ii) idiosyncratic characteristics on egg development, and (iii) a negative (involuntary) effect of manipulation on egg development and viability. Thus, the successful breeding and rearing of Cyclocephala spp. is correlated with egg integrity and the targeted species. Our analyses present a quantitative understanding of the egg phase and can assist in refining strategies for ovicidal activity and pest management of Cyclocephala spp. in agriculture systems. Moreover, they can provide a basis for new studies related to captivity breeding, pollinator management, and developmental biology for biodiversity conservation.

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Revisiting pollinating Cyclocephala scarab beetles (Coleoptera: Melolonthidae: Dynastinae) associated with the soursop (Annona muricata, Annonaceae)

Cited by 6 publications

References 15 publications

Reproductive Apparatus, Gonadic Maturation, and Allometry of Cyclocephala barrerai Martínez (Coleoptera: Melolonthidae: Dynastinae)

Reproductive Apparatus, Gonadic Maturation, and Allometry of Cyclocephala barrerai Martínez (Coleoptera: Melolonthidae: Dynastinae)

Coleopteran Pollinators of Annonaceae in the Brazilian Cerrado—A Review

Egg development and viability in three species of Cyclocephala (Coleoptera: Scarabaeidae: Dynastinae)

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