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1.
Acta biol. colomb ; 25(3): 354-358, sep.-dic. 2020. graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1149015

ABSTRACT

RESUMEN La galápaga sabanera (Podocnemis vogli) es una tortuga de ambientes acuáticos, principalmente lénticos, que centra su época reproductiva en la temporada seca, en la que sus huevos son una importante fuente de alimento en la red trófica y para el hombre, de manera que frecuentemente son afectados por depredadores naturales. Con el propósito de reducir el efecto negativo de la depredación natural sobre las nidadas de P vogli en la Reserva Natural de la Sociedad Civil La Esperanza en Paz de Ariporo, se implementó una estrategia de protección directa con malla metálica y se realizó el seguimiento a las posturas durante tres periodos de anidación entre 2016 y 2018. Como resultado del uso de esta estrategia para proteger las nidadas, se evidenció el efecto de otros depredadores y parásitos menos conspicuos como las hormigas legionarias (Labidus) y las larvas de moscas parasitarias (Phoridae). En ambos casos la afectación se registró en los neonatos recién eclosionados de galápaga sabanera al interior de los nidos, algunos de ellos hallados en un estado de salud precaria o muertos. Este es el primer reporte de depredación de los neonatos de P. vogli por estas especies de insectos sobre las cuales las estrategias físicas convencionales de protección fueron ineficientes.


ABSTRACT The savanna side-necked turtle (Podocnemis vogli) is a river turtle of mainly lentic aquatic environments that centers its reproductive period in the dry season; its eggs are a significant source of nourishment in the food web that includes humans as well. Therefore, by monitoring and installing metal mesh we protected the nests during three spawning seasons (2016-2018). After using the mentioned protection strategy other possible predators or parasites, such as the insects, became evident. We observed that when monitoring clutches, organisms such as ants and parasitic flies took advantage of the newborn hatchlings inside the nests. In both cases, the affectations by both species caused considerable injuries in the neonates, which eventually showed a precarious state of health and even died rapidly. This is the first time that predation on P. vogli neonates by these insect species has been reported, in which physical protection strategies are not functional.

2.
Arq. Inst. Biol ; 86: e0812018, 2019. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1024603

ABSTRACT

Detritivoria and parasitism are dietary habits already registered for the phorids of the genus Megaselia Rondani. The results of this study confirm the parasitic habit of Megaselia larvae. This is the first Pachylia ficus (Linnaeus, 1758) (Lepidoptera: Sphingidae) adult record as a host of Megaselia scalaris (Loew, 1866) and Megaselia sp. (Diptera: Phoridae).(AU)


Detritivoria e parasitismo são hábitos alimentares já registrados para os forídeos do gênero Megaselia Rondani. Os resultados do presente estudo confirmam o hábito parasitário das larvas de Megaselia. Este é o primeiro registro de adulto de Pachylia ficus (Linnaeus, 1758) (Lepidoptera: Sphingidae) como hospedeiro de Megaselia scalaris (Loew, 1866) e Megaselia sp. (Diptera: Phoridae).(AU)


Subject(s)
Parasitic Diseases , Diptera , Larva , Moths
3.
Malaysian Journal of Health Sciences ; : 141-143, 2016.
Article in English | WPRIM | ID: wpr-626909

ABSTRACT

Megaselia scalaris (Loew) (Diptera: Phoridae) is a cosmopolitan scuttle fly of medical and forensic importance. This species is generally small, humpbacked and is a prominent decomposer of corpses indoors. Taxonomically, adult sexes can be distinguished based on the characteristics of the terminal segments of the abdomen. In this report, the terminalia of adult male and female M. scalaris were examined using scanning electron microscope (SEM). The terminal segment of an adult female is less complex compared to male, consisting of an ovipositor and cerci. In male, the hypopygium consists of epandrium, hypandrium, anal tube and penis complex. A pair of long and feathered setae was attached to the tip of the anal tube and tapered. The application of SEM to identify this species isuseful and can be expanded to other species in this fly group.


Subject(s)
Microscopy, Electron, Scanning
4.
Rev. costarric. salud pública ; 17(33): 15-18, dic. 2008. ilus
Article in Spanish | LILACS | ID: lil-581678

ABSTRACT

Se realizó un recuento del númeo de vejigas dispersas en 15 manzanas del centro urbano de Barva, Heredia, luego de la celebración de las mascaradas, actividad enmarcada en las fiestas patronales de la ciudad. Adicionalmente se llevó a cabo una evaluación de los huevos, larvas y adultos de mosca presentes en 2 vejigas que fueron descartadas en lugares públicos y que no fueron contaminadas con tierra, fluidos u otros detritos. Luego de la actividad se contaron 29 vejigas, las cuales estuvieron localizadas en tendido eléctrico, 55.2 por ciento, aceras, 27,6 por ciento, jardines 6.9 por ciento, desagues 6.9 por ciento y techos 3.4 por ciento. Los grupos de moscas observados pertenecieron a las familias Calliphoridae, cochliomyia macellaria, lucilia eximia, phaenicia cuprina, chrysomyia megacephala, sarcophagidae, sarcophaga sp., muscidae, musca domestica y phoridae. Los promedios de huevos y larvas por vejiga fueron 176 y 44 respectivamente. Los resultados demuestran que las vejigas crudas constituyen un eficiente atrayente para diversas especies de moscas de importancia en salud pública, lo que plantea la necesidad de buscar alternativas de tratamiento para las mismas con el fin de garantizar la sostenibilidad de la tradición minimizando la contaminación del entorno urbano.


A study of the number of animal bladders dispersed in 15 blocks in the urban core of Barva- Heredia was performed following the masquerades, a traditional celebration during the festivities of the city. Additionally, an evaluation of the eggs, larvae and adult flies was performed in two bladders that were discarded in public areas, which were free from soil, fluids, or other debris. In total, 29 bladders were counted. They were located on power lines (55,2%), sidewalks (27,6%), drainages (6,9%) and roofs (3,4%). The flies observed corresponded to the families Calliphoridae (Cochliomyia macellaria, Lucilia eximia, Phaenicia cuprina, Chrysomyia megacephala), Sarcophagidae (Sarcophaga sp.), Muscidae (Musca domestica), and Phoridae. The average of eggs and larvae per bladder was 176 and 44, respectively. Results show that fresh bladders are an efficient bait for flies of medical importance. In this sense, there is a need to identify treatment methods for the bladders in order to guarantee sustainability of the radition, without the contamination of the urban...


Subject(s)
Animals , Culture , Houseflies , Muscidae , Oviposition , Public Health , Urinary Bladder , Costa Rica
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