Fecundity and morphological description of the eggs of Psorophora cyanescens (Coquillett, 1902) (Diptera: Culicidae) by scanning electron microscopy
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| Natura: | Artículo científico |
| Lingua: | en |
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Instituto de Ecología, A.C.
2022
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| author | Julián E. García-Rejón |
| author_facet | Julián E. García-Rejón |
| contents | Fecundity and morphological description of the eggs of Psorophora cyanescens (Coquillett, 1902) (Diptera: Culicidae) by scanning electron microscopy Julián E. García-Rejón Julio C. Tzuc-Dzul Nohemi Cigarroa-Toledo Lourdes G. Talavera-Aguilar Rosa. C. Cetina-Trejo Carlos M. Baak-Baak Biología SEM Mexico Culicidae mosquitoes Scanning Electron Microscopy Taxonomic studies on mosquitoes are based on the morphological description of larvae and adults. However, few studies have focused on the morphological description of eggs despite their taxonomic value. The description of mosquito eggs by scanning electron microscopy (SEM) allows more detailed descriptions of the ornamentation of the egg, which can provide diagnostic characters of the species. The objective of the work was to describe the eggs of Psorophora cyanescens by SEM and provide fecundity data for the species. In general, Ps. cyanescens eggs are elliptical and very wide. The exochorion is characterized by polygon pattern, where each polygon consists of longitudinal ridges joined by cross-ridges defining regular "hexagonal" areas. Each longitudinal ridge consisting by a small tubercle. The small tubercles are irregular, rectangular, rounded, or tubular. The ornamentation of the exochorion also has long and conical tubercles throughout the egg region. The micropylar apparatus located in the anterior region of the egg has a prominent, continuous and thickness collar. Psorophora cyanescens laid mature eggs at 2.5 days post-feeding. The mean number of eggs per female was 82.20 (± 13.31). This is the first study that describes the ultrastructure of the morphology of the eggs of Ps. cyanescens by SEM. With the contribution of the present work, there are five species of the genus Psorophora whose eggs morphology is described by SEM: Ps. albigenu, Ps. albipes, Ps. columbiae, Ps. cyanescens, and Ps. ferox. 2022 artículo científico 0065-1737 https://www.redalyc.org/articulo.oa?id=57577334017 https://www.redalyc.org/journal/575/57577334017/ https://www.redalyc.org/journal/575/57577334017/html/ https://www.redalyc.org/journal/575/57577334017/57577334017.epub https://www.redalyc.org/journal/575/57577334017/movil https://doi.org/10.21829/azm.2022.3812449 en http://www.redalyc.org/revista.oa?id=575 Acta Zoológica Mexicana (nueva serie) application/pdf Instituto de Ecología, A.C. Acta Zoológica Mexicana (nueva serie) (México) Vol.38 |
| format | Artículo científico |
| id | redalyc_57577334017 |
| institution | Redalyc |
| language | en |
| publishDate | 2022 |
| publisher | Instituto de Ecología, A.C. |
| spellingShingle | Fecundity and morphological description of the eggs of Psorophora cyanescens (Coquillett, 1902) (Diptera: Culicidae) by scanning electron microscopy Julián E. García-Rejón Biología SEM Mexico Culicidae mosquitoes Scanning Electron Microscopy Fecundity and morphological description of the eggs of Psorophora cyanescens (Coquillett, 1902) (Diptera: Culicidae) by scanning electron microscopy Julián E. García-Rejón Julio C. Tzuc-Dzul Nohemi Cigarroa-Toledo Lourdes G. Talavera-Aguilar Rosa. C. Cetina-Trejo Carlos M. Baak-Baak Biología SEM Mexico Culicidae mosquitoes Scanning Electron Microscopy Taxonomic studies on mosquitoes are based on the morphological description of larvae and adults. However, few studies have focused on the morphological description of eggs despite their taxonomic value. The description of mosquito eggs by scanning electron microscopy (SEM) allows more detailed descriptions of the ornamentation of the egg, which can provide diagnostic characters of the species. The objective of the work was to describe the eggs of Psorophora cyanescens by SEM and provide fecundity data for the species. In general, Ps. cyanescens eggs are elliptical and very wide. The exochorion is characterized by polygon pattern, where each polygon consists of longitudinal ridges joined by cross-ridges defining regular "hexagonal" areas. Each longitudinal ridge consisting by a small tubercle. The small tubercles are irregular, rectangular, rounded, or tubular. The ornamentation of the exochorion also has long and conical tubercles throughout the egg region. The micropylar apparatus located in the anterior region of the egg has a prominent, continuous and thickness collar. Psorophora cyanescens laid mature eggs at 2.5 days post-feeding. The mean number of eggs per female was 82.20 (± 13.31). This is the first study that describes the ultrastructure of the morphology of the eggs of Ps. cyanescens by SEM. With the contribution of the present work, there are five species of the genus Psorophora whose eggs morphology is described by SEM: Ps. albigenu, Ps. albipes, Ps. columbiae, Ps. cyanescens, and Ps. ferox. 2022 artículo científico 0065-1737 https://www.redalyc.org/articulo.oa?id=57577334017 https://www.redalyc.org/journal/575/57577334017/ https://www.redalyc.org/journal/575/57577334017/html/ https://www.redalyc.org/journal/575/57577334017/57577334017.epub https://www.redalyc.org/journal/575/57577334017/movil https://doi.org/10.21829/azm.2022.3812449 en http://www.redalyc.org/revista.oa?id=575 Acta Zoológica Mexicana (nueva serie) application/pdf Instituto de Ecología, A.C. Acta Zoológica Mexicana (nueva serie) (México) Vol.38 |
| title | Fecundity and morphological description of the eggs of Psorophora cyanescens (Coquillett, 1902) (Diptera: Culicidae) by scanning electron microscopy |
| topic | Biología SEM Mexico Culicidae mosquitoes Scanning Electron Microscopy |
| url | https://www.redalyc.org/articulo.oa?id=57577334017 https://www.redalyc.org/journal/575/57577334017/ https://www.redalyc.org/journal/575/57577334017/html/ https://www.redalyc.org/journal/575/57577334017/57577334017.epub https://www.redalyc.org/journal/575/57577334017/movil https://doi.org/10.21829/azm.2022.3812449 |