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5 resultados encontrados para: AUTOR: Murillo Cuevas, Félix David
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1.
- Artículo con arbitraje
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Intrinsic competition between Diachasmimorpha longicaudata and three native species of parasitoids (Hymenoptera: Braconidae: Opiinae) of Anastrepha (Diptera: Tephritidae) fruit flies under laboratory conditions
Murillo Cuevas, Félix David (autor) ; Montoya Gerardo, Pablo Jesús (autor) ; Cabrera Mireles, Héctor (autor) ; Barrera, Juan F. (autor) ; Liedo Fernández, Pablo (autor) ;
Contenido en: Biocontrol Science and Technology Vol. 29, no. 8 (2019), p. 757-772 ISSN: 0958-3157
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Resumen en: Inglés |
Resumen en inglés

The effect of intrinsic competition between the exotic parasitoid Diachasmimorpha longicaudata (Ashmead) and the native species Doryctobracon crawfordi (Viereck), Utetes anastrephae (Viereck) and Opius hirtus (Fischer) (all Braconidae: Opiinae) was studied under laboratory conditions. Each native species and D. longicaudata acted as both a resident and an invader, and all species were introduced to the host simultaneously. Diachasmimorpha longicaudata was found to be the most competitive species because it achieved the highest parasitism percentage under all the experimental conditions, but it was also negatively affected by the presence and parasitic activity of the native parasitoids. Utetes anastrephae was the only species that maintained its parasitic rate when all species attacked the available hosts simultaneously. The emergence probability of a female D. longicaudata was positively associated with the increase in the number of scars on the cuticle of the host pupa, but this association was not observed for the native species. It was concluded that D. longicaudata is an intrinsic competitor that is superior to D. crawfordi, U. anastrephae and O. hirtus, whether acting as a resident or an invader, producing a female-biased sex ratio in all the evaluation conditions. Utetes anastrephae was the native species that was least affected by the competitive presence of D. longicaudata, which suggests that it could be used as a complementary biological control agent for Anastrepha fruit flies.


2.
Artículo
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Intrinsic competition between resident and invasive parasitoids (Hymenoptera: Braconidae) that attack the West Indian fruit fly Anastrepha obliqua under field conditions
Murillo Cuevas, Félix David ; Cabrera Mireles, Héctor (coaut.) ; Barrera, Juan F. (coaut.) ; Liedo Fernández, Pablo (coaut.) ; Montoya Gerardo, Pablo Jesús (coaut.) ;
Contenido en: Biocontrol Science and Technology Vol. 29, no. 3 (2019), p. 252–262 ISSN: 1360-0478
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Resumen en: Inglés |
Resumen en inglés

We evaluated under semi-field conditions the intrinsic competition between Diachasmimorpha longicaudata (Ashmead), as an invasive parasitoid, and Doryctobracon areolatus (Szépligeti) and Utetes anastrephae (Viereck) (all Hymenoptera: Braconidae) as resident parasitoids, as well as that between U. anastrephae as an invader and D. areolatus as a resident. The percentage of live D. areolatus larvae decreased by 39.8% and 29.4% following attack by D. longicaudata and U. anastrephae as invasive parasitoids, respectively. Likewise, the parasitism percentage of D. areolatus decreased by 31.5% and 60.8% under competition with the invasive parasitoids D. longicaudata and U. anastrephae, respectively. Parasitism by D. longicaudata decreased by 44.6% and 41.6% in the presence of the residents D. areolatus and U. anastrephae, respectively, while parasitism of U. anastrephae was only affected when this species was a resident. We concluded that D. areolatus is an inferior intrinsic competitor and that U. anastrephae resists the competitive presence of D. longicaudata.


3.
Tesis - Doctorado
Competencia interespecífica asociada al control biológico por aumento de moscas del género Anastrepha (Diptera: Tephritidae) / Félix David Murillo Cuevas
Murillo Cuevas, Félix David ; Liedo Fernández, Pablo (director) ; Montoya Gerardo, Pablo Jesús (co-director) ; Barrera, Juan F. (asesor) ; Cabrera Mireles, Héctor (asesor) ;
Tapachula, Chiapas, México : El Colegio de la Frontera Sur , 2016
Clasificación: TE/632.774097262 / M8
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Índice | Resumen en: Español |
Resumen en español

La presente investigación tuvo como objetivo determinar si el control biológico por aumento genera competencia interespecífica con parasitoides nativos residentes en las áreas de liberación y su impacto. Se plantearon dos objetivos particulares: 1) determinar el efecto de atributos intrínsecos en las interacciones entre cuatro especies de parasitoides nativos y Diachasmimorpha longicaudata, y 2) determinar el efecto de las liberaciones aumentativas de D. longicaudata sobre el parasitismo natural. Para el primer objetivo se presentan cuatro capítulos: I) competencia intrínseca entre D. longicaudata y tres especies de parasitoides nativos en laboratorio; II) comparación de la morfología de larvas de primer instar de cuatro especies de parasitoides nativos y D. longicaudata; III) determinación de la capacidad de Doryctobracon areolatus para parasitar huevos y larvas recién eclosionadas de Anastrepha obliqua; y IV) competencia intrínseca entre D. longicaudata como invasor y dos especies nativas como residentes en frutos infestados expuestos en jaulas de campo. Los resultados demostraron que la morfología de la larva de Utetes anastrephae compensa la competencia con D. longicaudata, y que la especie Doryctobracon areolatus tiene la capacidad de parasitar embriones en el interior de huevos y larvas recién eclosionadas de A. obliqua, lo cual puede representar una ventaja al competir con D. longicaudata. Se confirmó que las especies nativas cuando son residentes defienden su recurso satisfactoriamente contra D. longicaudata. Para el segundo objetivo particular se determinó del efecto de las liberaciones por aumento de D. longicaudata sobre Anastrepha spp. y sobre el parasitismo natural (capítulo V), cuyo resultado permitió comprobar que las liberaciones por aumento de D. longicaudata complementan el parasitismo natural y reducen de manera significativa la infestación de frutos por A. obliqua.

Índice

Resumen
Introducción
Capítulo I
Competencia intrínseca entre Diachasmimorpha longicaudata y tres especies de parasitoides nativos (Hymenoptera: Braconidae: Opiinae) de moscas de la fruta Anastrepha (Diptera: Tephritidae)
Capítulo II
First instar larvae morphology of Opiinae (Hymenoptera: Braconidae) parasitoids of Anastrepha (Diptera: Tephritidae) fruit flies. Implications for interspecific competition
Capítulo III
Doryctobracon areolatus (Hymenoptera, Braconidae) a parasitoid of early developmental stages of Anastrepha obliqua (Diptera, Tephritidae)
Capítulo IV
Competencia intrínseca entre parasitoides residentes e invasores que atacan a la mosca de la fruta de las Indias Occidentales Anastrepha obliqua (Diptera: Tephritidae)
Capítulo V
Liberaciones por aumento de Diachasmimorpha longicaudata (Hymenoptera: Braconidae): efecto sobre las poblaciones de Anastrepha spp. (Diptera: Tephritidae) y su parasitismo natural
Conclusiones Finales
Literatura Citada
Anexos


4.
- Artículo con arbitraje
Resumen en: Inglés |
Resumen en inglés

The morphology of the first instars of the Opiinae braconids Diachasmimorpha longicaudata, Doryctobracon areolatus, Doryctobracon crawfordi, Utetes anastrephae and Opius hirtus (the first is exotic, and the others are natives to Mexico), parasitoids of Anastrepha fruit flies, are described and compared. The possible implications on interspecific competition among these species are discussed. The most significant adaptations found were: (1) the mouth apparatus, where the large mandibles and fang-shaped maxillary lobes present in D. longicaudata and U. anastrephae larvae were absent in O. hirtus, D. areolatus and D. crawfordi larvae, and (2) the degree of mobility for exploration and escape, such as the lateral and caudal appendages that were only present in D. longicaudata (ventrolateral appendages in the base of the head capsule), U. anastrephae (caudal lobe with two appendages) and D. areolatus (caudal lobe with a round apex with a globular shape). The first instar larvae of the species D. longicaudata show morphological adaptations that apparently confer competitive advantages against the larvae of D. areolatus, D. crawfordi and O. hirtus. However, the first instar larvae of U. anastrephae show larger mandibles, an adaptation that could enable this species to resist competition from D. longicaudata.


5.
- Artículo con arbitraje
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Resumen en: Inglés |
Resumen en inglés

Natural parasitism of Doryctobracon areolatus (Szépligeti) (Hymenoptera: Braconidae) on various development stages of Anastrepha obliqua (Macquart) (Diptera: Tephritidae) attacking Spondias mombin L. fruits was studied under field conditions. We collected 120 fruits of S. mombin from which we got 495 A. obliqua larvae of different instars. A total of 88% of these larvae were parasitized. Within the parasitized cohort, the first-instar of D. areolatus was frequently detected in all 3 larval stages (L1 = 94.3%, L2 = 98.1%, and L3 = 100%), and the rest (i.e., L1 = 5.7%, L2 = 1.8%) corresponded to the presence of eggs. In fruits with controlled infestation and cage-induced parasitism under field conditions, D. areolatus oviposited in mature eggs and recently hatched larvae of A. obliqua with comparable frequencies. Seven preimaginal stages of D. areolatus were observed during their development, which was completed in 27 days. It is concluded that D. areolatus has the capacity to oviposit in embryo eggs and neonate larvae of A. obliqua and that its first-instar larvae (with three distinct sizes) are capable of synchronizing their development with the development of the host larvae. This finding represents the first report of a native parasitoid attacking eggs or neonate larvae of a tephritid in the Neotropics. The implications of this finding are discussed within the context of the competitive interactions of this species with other parasitoid species under sympatric conditions, as well as the relevance for developing laboratory rearing methods for biological control purposes.