Potential for biological control of a parasite of darwin’s finches / Rebecca A. Boulton and George E. Heimpel.

Por: Colaborador(es): Tipo de material: ArtículoIdioma: Inglés Detalles de publicación: 2017.Descripción: : 23-27 pTema(s): Clasificación CDD:
  • 23 595.774
En: In: Van Drieshce R, Reardon R, eds. Supressing Over-abundant Invasive Plants and Insects in Natural Areas by Use of Their Specialized Natural Enemies. p. 23-28. USDA Forest Health Technology Enterprise TeamTema: Philornis downsi (Figure 3-1) is a parasitic fly (Diptera: Muscidae) that was first recorded in the Galápagos archipelago in 1964 where it likely invaded from mainland Ecuador (Bulgarella et al. 2015). Philornis downsi poses a major threat to the passerine fauna of the Galápagos Islands due to the way in which its larvae feed. Adult females lay their eggs in bird nests, and first-instar larvae feed in the nares of nestlings while the second and third instars feed on nestlings externally by rasping at the skin and ingesting blood and fluid from the wounds, causing death or deformity of nestlings (Figure 3-2) (Fessl et al., 2006a).
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Philornis downsi (Figure 3-1) is a parasitic fly (Diptera: Muscidae) that was first recorded in the Galápagos archipelago in 1964 where it likely invaded from mainland Ecuador (Bulgarella et al. 2015). Philornis downsi poses a major threat to the passerine fauna of the Galápagos Islands due to the way in which its larvae feed. Adult females lay their eggs in bird nests, and first-instar larvae feed in the nares of nestlings while the second and third instars feed on nestlings externally by rasping at the skin and ingesting blood and fluid from the wounds, causing death or deformity of nestlings (Figure 3-2) (Fessl et al., 2006a).

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