The female reproductive system of<i>Costelytra zealandica</i>(White) (Coleoptera: Scarabaeidae: Melolonthinae)

Stringer, Ian

doi:10.1080/03014223.1988.10422632

Cited by 13 publications

(20 citation statements)

References 33 publications

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“…Each ovariole of C. populi consists of four regions: the terminal filament, the germarium, the vitellarium and pedicel. These structures were similarly reported in C. zealandica (Scarabaeidae), Rhynchophorus ferrugineus (Olivier, 1790) (Dryophthoridae), P. brassicae (Chrysomelidae) and A. sanctaecrucis (Chrysomelidae) (Stringer 1988;Wang et al 2007;Wan Nurul 'Ain et al 2018;Boonyoung et al 2020). The yolk granules in the ooplasma of choriogenic oocyte (SEM).…”

Section: Discussionsupporting

confidence: 66%

“…When we compare the ovariole numbers between species in different families such as Hyperodes bonariensis Kuschel, 1955 (Curculionidae), Liophloeus lentus Germar, 1824 (Curculionidae) and Veturius sinuatus (Eschscholtz, 1829) (Passalidae), each ovary comprises only two ovarioles (Goldson and Emberson 1981;Świątek and Górkiewicz 2006;Salazar et al 2017). Furthermore, each ovary of Eriopis connexa Mulsant 1850 (Coccinellidae) is formed by four bunchy ovarioles (Maffei et al 2001) and each ovary of Costelytra zealandica (White, 1846) (Scarabaeidae) comprises six ovarioles (Stringer 1988).…”

Section: Discussionmentioning

confidence: 99%

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Morphology of the reproductive tract of females of leaf beetle Chrysomela populi (Chrysomelidae: Coleoptera)

2021

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In this study, oocyte development and vitellogenesis of the leaf beetle Chrysomela populi are described and illustrated using light and scanning electron microscopies. The female reproductive tract of C. populi consists of a pair of ovaries, a pair of lateral oviducts, a common oviduct and a spermathecae. Each ovary has 14 telotrophic meroistic ovarioles. Each ovariole consists of a terminal filament, germarium, vitellarium and pedicel. Terminal filament is thin, long thread shaped. The germarium contains trophocytes towards the distal part, prefollicular cells and oocytes towards the proximal part in the young stage. The vitellarium contains 3-4 oocytes at different stages of development (previteloogenic, vitellogenic and choriogenic oocytes). Previtellogenic oocytes located towards the distal end of the vitellarium are surrounded by follicle epithelium. Vitellogenic oocytes are surrounded by a monolayer follicular epithelium, and their ooplasma is basophilic. The ooplasma of the oocytes in the choriogenic stage, which is the last stage of vitellogenesis, is filled with eosinophilic yolk granules of different sizes. Chorion is clearly differentiated between the vitelline membrane surrounding the ooplasma and the follicular epithelium. The pedicel connects the ovarioles with the lateral oviduct. A pair of lateral oviducts are connected to the common oviduct. A spermatheca is located towards the proximal part of the common oviduct. Spermatheca consists of a reservoir, duct and gland. The eggs are light yellow in color and the chorion is very thin. This study intends to contribute to female reproductive biology studies in Coleoptera and other insect order species, agricultural struggle studies in terms of researching C. populi.

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Section: Discussionsupporting

confidence: 66%

Section: Discussionmentioning

confidence: 99%

Morphology of the reproductive tract of females of leaf beetle Chrysomela populi (Chrysomelidae: Coleoptera)

2021

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“…Although their exact function is not completely understood, several authors have attributed a lubrication function during copulation and oviposition. In many cases, bacteria have been reported to occur within these glands, which produce male attracting pheromones in Melolonthinae (Berberet and Helms, 1927;Stringer, 1988). Accessory glands are absent in the more ancestral lineages of Scarabaeoidea, but they are present in the herbivorous pleurostict lineages (Ahrens, 2006b).…”

Section: General Morphology and Inter-specific Variation In Female Gementioning

confidence: 99%

“…While female genitalia are frequently used for taxonomic purposes in dung beetles (Zunino, 1971(Zunino, , 1972Martin-Piera, 1992), most previous works on melolonthines (and other pleurostict scarabaeidae) studied the morphology only for a limited number of species in detail without applying comparative criteria valuable for taxonomic purposes (e.g. Straus-Dürckheim, 1828;Menees, 1963;Watt, 1971;Berberet and Helms, 1972;Barratt and Campbell, 1982;Stringer, 1988). There are a handful of studies that focused on variation in the female genital morphology in pleurostict scarabs and used it for species taxonomy and systematics (e.g.…”

Section: Introductionmentioning

confidence: 99%

Taxonomic utility of female copulation organs in Sericini chafers (Coleoptera, Scarabaeidae), with special reference to asymmetry

Özgül-Siemund

Ahrens

2015

CTOZ

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Female genitalia are widely underrepresented in taxonomic studies. Here we investigate the morphological variation among female copulation organs for a group of scarab beetles (Sericini) with similar ecology, external morphology and copulation mechanics. We examined traits qualitatively and quantitatively based on 80 and 18 species (genus Pleophylla), respectively. Additionally we explored whether female genitalia are affected by asymmetry. The vast diversity of slerotised structures including their shapes illustrated the high taxonomic and phylogenetic utility of female genitalia in this group. The morphometric analysis of Pleophylla, confirmed that sclerotisations in the ductus bursae are very suitable for species-level taxonomic purposes. Stable interspecific variation is more hardly discernable in other parts such as the vaginal palps (shape and size) or the other membranous structures such as the shape of the bursa copulatrix. Asymmetric genitalia that arose multiple times independently among insects are found in most of the examined Sericini species. Asymmetries regarded either the bursa copulatrix, or both the bursa copulatrix and ductus bursae and comprised sclerotised and non-sclerotised structures being most common in modern Sericini. Here, highly asymmetric sclerotised structures are linked with strong asymmetry of the male copulation organs. Widespread asymmetry among megadiverse Sericini with a complex male-female genital asymmetry suggests that the shift to asymmetry is phylogenetically rather conserved. From the range of hypotheses, sexual selection seems to be the most reasonable to explain the evolution and stability of asymmetry in chafer genitalia.

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“…The phylogeny of this order of insects has aroused great interest among scientists [1,2]. There are two main types of data used in phylogenetic work of Coleoptera: morphological data of exoskeleton and internal organs [3][4][5][6], and molecular data [7,8]. The female reproductive system is a traditional characteristic of internal organs [9][10][11][12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Ovary Structure and Oogenesis of Trypophloeus klimeschi (Coleoptera: Curculionidae: Scolytinae)

Gao

Wang

Chen

2021

Insects

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The female reproductive system, ovary structure and ultrastructure of Trypophloeus klimeschi (Coleoptera: Curculionidae: Scolytinae) were investigated using light microscopy, scanning electron microscopy, and transmission electron microscopy. Its female reproductive system is comprised of two ovaries (each ovary has two ovarioles), lateral oviducts, common oviduct, spermathecal sac, spermathecal pump, two accessory glands and bursa copulatrix. Well-developed endoplasmic reticulum can be clearly seen in the secretory cells of spermathecal sac. This species has telotrophic meroistic ovarioles that are comprised of terminal filament, tropharium, vitellarium and pedicel. The terminal filaments are simple; each is comprised of cellular peritoneal sheath. The presence of several clusters of nurse cells in the tropharium is indicative that its ovarioles conform to the transition stage. This indicates that there are at least two different types (transition stage and secondary stage) of ovarioles in Curculionidae.

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The female reproductive system ofCostelytra zealandica(White) (Coleoptera: Scarabaeidae: Melolonthinae)

Cited by 13 publications

References 33 publications

Morphology of the reproductive tract of females of leaf beetle Chrysomela populi (Chrysomelidae: Coleoptera)

Morphology of the reproductive tract of females of leaf beetle Chrysomela populi (Chrysomelidae: Coleoptera)

Taxonomic utility of female copulation organs in Sericini chafers (Coleoptera, Scarabaeidae), with special reference to asymmetry

Ovary Structure and Oogenesis of Trypophloeus klimeschi (Coleoptera: Curculionidae: Scolytinae)

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