1974
DOI: 10.4039/ent106825-8
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RESPONSES AND COMPETITION OF THE PARASITOIDS SPALANGIA ENDIUS AND MUSCIDIFURAX RAPTOR (HYMENOPTERA: PTEROMALIDAE) AT DIFFERENT DENSITIES OF HOUSE FLY PUPAE

Abstract: Can. Ent. 106: 825-830 (1974) The functional response of Spalangia endius Walker was described by a linear relationship between attack rate and density of house fly pupae. S. endius searched well at higher host densities and in 72 h, appeared capable of attacking more than 80 pupae per female under laboratory conditions. The response of Muscidifurax raptor G. & S. was quadratic as poor searching ability limited this parasitoid's attack rate at high host densities. Individual parasitoid efficiency of both spe… Show more

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Cited by 24 publications
(14 citation statements)
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“…(Mann et al 1990b, Geden 1997. Wylie (1972) noted that M. zaraptor outcompeted S. cameroni Perkins under a variety of test conditions, and similar results were noted in competitions between M. raptor and S. endius Walker (Ables andShepard 1974, Propp andMorgan 1983). Intergeneric conflict under field conditions may be mitigated by niche partitioning.…”
Section: Discussionsupporting
confidence: 50%
See 1 more Smart Citation
“…(Mann et al 1990b, Geden 1997. Wylie (1972) noted that M. zaraptor outcompeted S. cameroni Perkins under a variety of test conditions, and similar results were noted in competitions between M. raptor and S. endius Walker (Ables andShepard 1974, Propp andMorgan 1983). Intergeneric conflict under field conditions may be mitigated by niche partitioning.…”
Section: Discussionsupporting
confidence: 50%
“…Competitive interactions between Spalangia spp. and solitary Muscidifurax are well understood, as are the life history strategies used by the parasitoids to avoid and resolve multiparasitism events (Wylie 1971, 1972, Ables and Shepard 1974, Propp and Morgan 1983, King 1997. In contrast, to our knowledge, nothing is known about such interactions within the genus Muscidifurax.…”
Section: Introductionmentioning
confidence: 99%
“…The occurrence of intraspecific competition among parasitic wasps has been demonstrated by Wylie (1958), Legner (1967), Hassell (1971), Ables & Shepard (1974), Rogers & Hassell (1974), Allen & Gonzalez (1975) and Latheefetal. (1977).…”
Section: Resultsmentioning
confidence: 87%
“…Observamos en el gráfico de medias marginales (Fig.3) que el porcentaje de pupas expuestas al parasitismo entre los límites de 10 y 50 pupas de mosca/hembra del parasitoide presenta una tendencia a disminuir con el incremento de pupas expuestas a ambos parasitoides. Las relaciones 1:5 y 1:10 fueron diferentes para ambos parasitoides y el análisis de ambas especies mostró que en todas las relaciones no existieron diferencias significativas, excepto en la relación 1:50.Esta relación inversa del parasitismo con respecto al número de pupas expuestas fue hallada también por Ables y Shepard (1974) …”
Section: Resultados Y Discusiónunclassified