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Titolo:
DEVELOPMENT OF ERYNIA-CONICA (ZYGOMYCETES, ENTOMOPHTHORALES) ON THE CUTICLE OF THE ADULT BLACK FLIES SIMULIUM-ROSTRATUM AND SIMULIUM-DECORUM (DIPTERA, SIMULIIDAE)
Autore:
NADEAU MP; DUNPHY GB; BOISVERT JL;
Indirizzi:
MCGILL UNIV,DEPT NAT RESOURCE SCI,MACDONALD CAMPUS 21,111 LAKESHORE ST ANNE BELLEVUE PQ H9X 3V9 CANADA MCGILL UNIV,DEPT NAT RESOURCE SCI ST ANNE BELLEVUE PQ H9X 3V9 CANADA UNIV QUEBEC,DEPT CHIM BIOL TROIS RIVIERES PQ G9A 5H7 CANADA
Titolo Testata:
Journal of invertebrate pathology
fascicolo: 1, volume: 68, anno: 1996,
pagine: 50 - 58
SICI:
0022-2011(1996)68:1<50:DOE(EO>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
APHID ACYRTHOSIPHON-PISUM; BEAUVERIA-BASSIANA; PEA APHID; CONIDIOBOLUS-OBSCURUS; CONIDIAL GERMINATION; NUTRITIONAL-REQUIREMENTS; METARHIZIUM-ANISOPLIAE; ZOOPHTHORA-RADICANS; NOMURAEA-RILEYI; MUSCA-DOMESTICA;
Keywords:
ERYNIA CONICA; SIMULIUM ROSTRATUM; SIMULIUM DECORUM; ENTOMOPHTHORALES; SIMULIIDAE; INVASION PROCESS; SPECIFICITY; LIPIDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
47
Recensione:
Indirizzi per estratti:
Citazione:
M.P. Nadeau et al., "DEVELOPMENT OF ERYNIA-CONICA (ZYGOMYCETES, ENTOMOPHTHORALES) ON THE CUTICLE OF THE ADULT BLACK FLIES SIMULIUM-ROSTRATUM AND SIMULIUM-DECORUM (DIPTERA, SIMULIIDAE)", Journal of invertebrate pathology, 68(1), 1996, pp. 50-58

Abstract

Aerial conidia of Erynia conica were showered onto the wings of susceptible and nonsusceptible black fly, Simulium rostratum and Simulium decorum, respectively. Secondary type 2 conidia as opposed to type 1 conidia and primary conidia invaded the wings of S. rostratum. The invasion process on both sexes of the host species was rapid, with 40% of the conidia germinating during the 2 hr that the wings were showered with conidia. Approximately 24% of total spores developed appressoria close to the parental spore and 79% of the appressoria developed penetration pegs in the cuticle by 9 hr postinoculation. These conidia also germinated (71%) on the abdominal cuticle of S. rostratum by 6 hr, but no appressoria or penetration tubes were noted throughout the durationof the study. On S. decorum, the invasive conidia exhibited delayed germination and neither formed appressoria nor did they invade the wings, but rather produced high levels of tertiary type 1 spores (26%). Cuticular lipids played a role in the infection process by triggering appressorium formation on the host, but did not seem to act as an inhibitory factor(s) on the nonhost. (C) 1996 Academic Press, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/09/20 alle ore 16:49:10